JP2007117988A - Component for holding optical component - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a component for holding optical components, which does not need the manual wiping work which requires a worker to conduct training for a long time and have high-level skill but which is suitable for cleaning and drying optical components, so that many cleaned optical components can be dried excellently all together even when optical components are small and many special optical components such as block-shaped or long optical components can be cleaned and dried all together. <P>SOLUTION: Optical components are placed in an optical component placement part having a plurality of through-holes each of which has a slender opening and which are formed in parallel, cleaned and dried. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention is widely used in recent years for optical parts such as single crystals such as quartz, yttrium, vanadate, calcite, barium, multilayer filters, etc. incorporated in modules such as isolators, circulators, WDM, filters used for optical communication, etc. Optical parts such as prisms and small lenses, optical parts with special shapes (optical parts incorporated into modules used for optical communications, etc., optical parts such as prisms and small lenses, and special shapes Optical component holders that can be used for either or both of cleaning and cleaning to remove the cleaning liquid adhering to the object to be cleaned after cleaning, etc. The present invention relates to parts (hereinafter, holding parts are also referred to as holding jigs).

  In optical communications, various modules such as optical isolators, circulators, WDMs, filters, etc. are used, but these modules incorporate crystals such as garnet, crystal, calcite, and multilayer filters.

  Usually, a module such as an isolator or a filter is obtained by inputting light input to the module from an optical fiber, for example, into a multilayer filter or the like, and utilizing optical phenomena such as transmission, reflection, separation, and refraction. The function of is realized. If the surface of a filter or the like is dirty, light input from the optical fiber to the module may be attenuated or diffusely reflected on the surface of the dirty filter or the like, resulting in increased coupling loss or impaired module functionality. is there. The cleanliness of the surface of the optical components used in the module is extremely important for the quality of the module.

  For this reason, many contrivances have been made for cleaning these optical components.

  Conventionally, for example, a large number of optical components are supported at three points from three directions (hereinafter also referred to as holding) by using three rod-shaped support components, or an optical component holding component having an optical component insertion portion (hereinafter referred to as “support”). The optical component holding component may be appropriately referred to as a case. Hereinafter, in such a case, the optical component holding component is configured by combining rod-shaped support components so as to support the above three points. The holding parts are also referred to as optical parts holding parts unless otherwise required) and are cleaned with an ultrasonic cleaner to clean the surface of the optical parts, and the surface of the optical parts is cleaned and then attached with a spin dryer. Trying to remove the cleaning solution. However, when cleaning an optical component with a maximum surface size of 8 mm square (that is, a square with a side dimension of 8 mm) or less, the optical component is mounted with a conventional three-point supporting jig. When supporting and cleaning, since the support component cannot be made very thin to maintain the strength of the support component in order to securely support the optical component with the support component, Optical parts may remain dirty because the ultrasonic waves are not effectively applied to the shaded area, or optical parts may be lost during drying after or during cleaning. In the so-called draining process, that is, the drying process that removes the cleaning liquid adhering to the optical components, the cleaning residual liquid cannot be completely removed, and the optical components are left as they are, and a normal module is formed. Optical components that can not be used to that there has been a large problem that frequently.

  Therefore, in practice, when mounting optical components on the module or after cleaning, each optical component is held with dedicated tweezers one by one, and the surface is wiped with a cleaning paper or cotton swab dipped in a solvent. I had to rely on.

  This optical component wiping operation involves carefully grasping each optical component with tweezers one by one and wiping off dirt with a cleaning paper or cotton swab with an organic solvent, etc., even for large optical components with a side of about 11 mm. Although it is a difficult and time-consuming operation that requires a large amount of time, especially when the size of the optical component that cleans the surface is as small as about 1 mm square, it requires very high skill and has satisfactory quality characteristics. In order to be able to clean the optical parts, it was necessary to train for at least several months. This wiping operation is poor in work efficiency, and in the example of the multilayer filter, only about 20 can be cleaned per hour.

  In cleaning optical components, the process of removing dirt adhering to optical components in the cleaning liquid is naturally an important cleaning step, but the cleaning solution (including ultrapure water) that has adhered to optical components after the cleaning step is also included. A drying process for removing the cleaning liquid or detergent is also an important process for cleaning.

  FIG. 21 is a diagram schematically showing a main part of a conventional spin dryer used in this drying process.

  In FIG. 21, reference numeral 1301 denotes a conventional spin drying apparatus, 1302 denotes an outer frame of the spin drying apparatus 1301, 1303 denotes a rotating body having a rotating plate constituting the spin drying apparatus 1301, and 1310 to 1313 denote rotating bodies. An optical component holding component for holding an optical component (hereinafter also referred to as a workpiece) held by a holder attached to a rotating plate 1303 and a holding frame (hereinafter also referred to as a cradle) for holding the optical component holding component. ) (Not shown) holders, 1310c, 1311c, 1312c and 1313c are the side walls of the holders 1310 to 1313, and 1310a, 1310b, 1311a, 1311b, 1312a, 1312b, 1313a and 1313b are the side walls 1310c and 1311c, respectively. , 1312c, 1313c The cradle installation groove 1313 is a support rod for positioning the cradle, 1316 is an arrow indicating the direction of rotation, 1320 is a lid of the spin dryer, 1323 is an air outlet provided in the lid 1320, and 1322 is an air outlet. It is the filter attached to.

  In FIG. 21, the holders 1310 to 1313 are held in a state of being fixed to the rotating body 1303 with screws or the like.

  When spin-drying a washed workpiece with a spin drying apparatus as shown in FIG. 21, a cradle containing an optical component holding part holding the workpiece is used, and a protrusion (shown in FIG. 30) provided on the cradle is used as a holder. After inserting into each of the cradle installation grooves 1310a, 1310b, 1311a, 1311b, 1312a, 1312b, 1313a and 1313b of 1310 to 1313 and disposing them in the holders 1310 to 1313, the rotating body 1303 is placed in the direction of the arrow 1316, for example. Spin drying is performed by rotating. At this time, the bottom surface of the cradle mounted on the rotating body is given by the rotation of the rotating body so that the cradle is most stably held against the centrifugal force given by the rotation of the rotating body as shown in FIG. It is attached to the holder so as to be orthogonal to the direction of centrifugal force.

  The holding method by supporting the workpiece at three points is also described in, for example, Japanese Patent Laid-Open No. 6-208093 (hereinafter referred to as Patent Document 1), and the details are not so detailed, but can be generally understood from the drawings and texts. it can.

  FIGS. 22 to 25 are diagrams for explaining a holding method by supporting a workpiece at three points, which is not completely the same as Patent Document 1, but in the classification of the inventors of the present invention, the workpiece 3 based on the same kind of technical idea is used. It can be said that it is a holding method by point support, and is currently used for cleaning and drying of optical components.

  FIG. 22 is a diagram for explaining a holding method by supporting a workpiece at three points.

  In FIG. 22, reference numeral 1331 denotes a work as an object to be dried, and 1332-1334 denote optical component support parts for fixing the work 1331.

  In FIG. 22, the optical component supporting components 1332 and 1334 are respectively arranged at approximately the center of both sides of the workpiece 1331, and the optical component supporting component 1333 is divided into two equal bisectors connecting the optical component supporting components 1332 and 1334. It is arranged on the side of the optical component near the line.

  In FIG. 22, when cleaning and drying the workpiece 1331, the contact area of the optical component supporting components 1332 to 1334 for fixing the workpiece is preferably as small as possible.

  23 to 25 are diagrams for explaining an example of the optical component support component of FIG. 22, FIG. 23 is a perspective view of one optical component support component, and FIG. 24 is a diagram of the optical component support component of FIG. FIG. 25 is a diagram viewed obliquely from a cross section cut along a straight line Y1-Y2 of FIG. 23, and FIG. 25 is a diagram for explaining a state in which the optical component supporting component of FIG.

  23 to 25, reference numeral 1340 denotes a conventional optical component support component, 1341 denotes a column constituting the optical component support component 1340, 1342 denotes a screw provided at an end of the column 1341, and 1343 denotes an optical component support component 1340. The supporting plates 1341a and 1341b are the caulking portions where the supporting plates 1343 inserted in the grooves of the support columns 1341 are fixed by caulking, and 1344 is a V-shaped groove formed in the supporting plate 1343.

  The optical component support component 1340 shown in FIG. 23 and FIG. 24 is provided with a screw 1342 at the tip of the support 1341, and although not shown, a plurality of optical component support components 1340 are attached to the support component mounting frame. An optical component holding part for cleaning and drying is formed so as to be fixed at an appropriate interval for holding. The support plate 1343 is made of a fluororesin, has a certain degree of elasticity, and has a saw blade shape having a V-shaped groove as shown in the figure. The V-shaped groove has the same shape and size at the same position in the longitudinal direction of all the columns 1341 used as the same optical component holding part.

  In FIG. 25, the work 1331 is supported by the V-shaped groove portions of the support plate 1343 of the three optical component support components 1340 from three directions, two on the left and right in the horizontal direction and one perpendicular to the workpiece.

  When the workpiece 1331 is fixed using the optical component support component described with reference to FIGS. 23 to 25, the portion of the support plate 1343 that supports the workpiece is formed in a V-shaped groove shape. The work 1331 is supported by the V-shaped groove of the support plate 1343 only at the ridges on the three side surfaces, and is loosely fixed so that the contact area with the support plate 1343 is relatively small.

  However, since the support plate 1343 of the optical component support component 1340 as described with reference to FIGS. 23 to 25 is formed of tetrafluoroethylene, which is a fluororesin, a workpiece that is not very heavy with a side of 10 mm or more. It was only possible to fix it, and smaller workpieces below this had to be held in a different way.

  FIG. 26 and FIG. 27 are diagrams for explaining a conventional example different from the example explained with reference to FIG. 23 to FIG. 25 of the optical component support component, and can be said to be different from Patent Document 1.

  FIG. 26 is a perspective view of one optical component support component, and FIG. 27 is a view for explaining a state in which the workpiece is fixed (loosely fixed) by the three optical component support components of FIG.

  26 and 27, reference numeral 1350 is an optical component support component, 1351 is a column constituting the optical component support component 1350, and 1353 is a V-shaped groove for fixing a workpiece provided on the column 1351.

  In FIG. 26, the support column 1351 has a cylindrical shape and a diameter of φ6 mm to 10 mm. In addition, the groove 1353 is provided with the same shape and size on the support column 1351 at regular intervals, and a cross section cut in the length direction of the support column 1351 as a V-shaped groove.

  In FIG. 27, the work 1331 is loosely fixed by inserting a part of the work 1331 into a groove 1353 formed in the support column 1351. In this case, the left and right sides of the work 1331 in the figure are supported slightly above the center. In this loosely fixed state, the workpiece is carefully held with tweezers or the like. For example, the workpiece 1331 is formed in a portion of the groove 1353 formed in the three support columns 1351 assembled as an optical component supporting component of three-point support. When the workpiece is inserted and held, the workpiece will not come out of the groove 1353 when the workpiece is ultrasonically cleaned or spin-dried, but the workpiece is held by tweezers etc. It means that it is fixed to such an extent that it can be taken out from the machine or inserted into the groove 1353. Hereinafter, in the description of the three-point support, unless otherwise specified, such loose fixing is simply referred to as fixing or binding. The holding state shown in FIGS. 25 and 27 is also this loosely fixed state.

  FIG. 28 is a diagram for explaining the contact state between the workpiece and the optical component support component when the workpiece 1331 is fixed by the optical component support component, and is a diagram viewed from the direction of the arrow 1354 in FIG. .

  In FIG. 28, the work 1331 is loosely fixed by coming into contact with a slope formed by a groove 1353 formed in the support column 1351.

  When the workpiece is fixed using the optical component supporting component as described with reference to FIGS. 26 and 27, since the support column 1351 is formed in a cylindrical shape, the groove 1353 is also formed in a cylindrical shape. Requires very little contact area. However, when one side of the workpiece is 8 mm or less, as shown in FIG. 28, the workpiece 135 is fixed in a state where the column 1351 is very close to the workpiece. There was a disadvantage that a shadow part was generated, the ultrasonic wave could not be effectively applied to the workpiece, and the cleaning itself was not successful.

  At present, the columns 1341 for fixing the support plate 1343 by caulking and the columns 1351 formed with the grooves 1353 are processed one by one by machining. As the material for the support, stainless steel or a metal coated with a resin is used. The strut made of resin alone has a problem in strength, and a grooved metal or a grooved metal coated with a resin was mainly used.

  As described above, conventionally, when the work is small, there has been a big problem that the work cannot be fixed by the optical component support component, or even if the work can be fixed, the work cannot be effectively cleaned.

  Therefore, when cleaning and drying small workpieces, usually, after the workpieces are stored in a cleaning jig, the cleaning jig is put in a cradle, etc., and mounted on a spin dryer as described above to be cleaned and dried. The method is taken.

  FIG. 29 is a perspective view of a conventional optical component holding part for cleaning and drying.

  In FIG. 29, reference numeral 1355 denotes a conventional optical part holding part for cleaning and drying, and 1356 denotes an optical part insertion part for inserting a workpiece. The optical component insertion portion 1356 has a hole shape, and an optical component placement frame 1356a for holding the optical component inserted therein is provided at the peripheral portion of the bottom portion of the hole, and the cleaning liquid passes through the inside thereof. A through hole 1356b is provided. The diameter of the through hole 1356b is sufficiently smaller than the workpiece, and is provided at the center of the optical component placement frame 1356a.

  As can be inferred from FIG. 29, the basic technical idea of the optical component holding component 1355 is that the optical component is placed on the optical component mounting frame 1356a without being loosely fixed like three-point support, and is washed and dried. The important part of the optical surface, which is a particularly important part of the optical component, is taken into consideration so that it can be kept out of contact with the surrounding part at the through hole 1356b.

  When performing cleaning and drying using the cleaning / drying optical component holding component as shown in FIG. 29, a work is put in the optical component insertion portion, and the optical component holding component is put in a cradle or the like, and the cleaning device or spin drying is performed. Place it at a predetermined position on the device.

  FIG. 30 is a cross-sectional view for explaining a conventional spin drying apparatus.

  In FIG. 30, reference numeral 1010 denotes a rotating body of the spin drying apparatus, 1011 denotes a rotating shaft for rotating the rotating body 1010, 1012a, 1012b, 1013a, 1013b denote fixing screws for connecting and fixing the rotating body 1010 and the rotating shaft 1011; Reference numerals 1014 and 1015 denote optical component holding parts for cleaning and drying for holding and holding a work to be dried. Reference numerals 1016 and 1017 denote cradles for mounting optical parts holding parts 1014 and 1015 for cleaning and drying for placing and holding the work. 1018a and 1019a are holders for holding the cradle protrusions, 1020 is an upper frame of the rotating body, 1018b and 1019b are cradle hanging grooves provided on the holders 1018a and 1019a, and 1018 and 1019 are cradle protrusions. Grooves 1018b, 1019a of holders 1018a, 1019a 9b, connecting pins for holding the cradles 1016 and 1017 in the holders 1018a and 1019a, 1021 to 1024 are support bars attached to the holders 1018a and 1019a to support the cradle when the rotating body 1010 rotates, and 1370 is a rotating plate It is.

  In FIG. 30, the cradles 1016 and 1017 are arranged such that the upper surface portions 1014a and 1015a of the cleaning / drying optical component holding parts are the same as the bottom surface of the cradle. And the central axis A1-A2 at the center of the upper surface portions 1014a and 1015a of the optical component holding parts for cleaning and drying so as to be parallel to the central axis A1-A2 that is the rotation center of the rotary shaft 1011. Are further arranged symmetrically with respect to the central axis A1-A2 of the rotating body 1010 so as to be parallel to the tangential plane (not shown) of the outer surface of the virtual cylinder centering around The cleaned optical component placed on the optical component holding component for drying is cleaned by rotating the entire rotating body around the rotation shaft 1011. The cleaning liquid Tsu removed and is adapted to dry the optical components.

  FIG. 31 is a schematic cross-sectional view for explaining a conventional spin drying method for optical components. The spin drying apparatus shown in FIG. 30 is attached with the cleaning / drying optical component holding component shown in FIG. It is a figure explaining the state to dry.

  In FIG. 31, reference numerals 1041 to 1045 are cleaning liquids such as pure water remaining after spin drying, and 1049 is an arrow indicating the direction in which the cleaning liquid is removed from the optical component that is an object to be dried (hereinafter also referred to as the cleaning liquid running out). Is an optical component holding part for cleaning / drying and an arrow indicating the direction of centrifugal force applied to the work, 1047 is an optical part as a work to be cleaned / dried, 1048 is a lid attached to the optical part holding part for cleaning / drying, Reference numeral 1048a denotes a hole provided in the lid 1048.

  In FIG. 31, the workpiece 1047 to be dried is placed on the optical component placement frame 1356a of the optical component insertion portion 1356, and the optical component insertion portion 1356 holding the workpiece 1047 holds the optical component for cleaning and drying. It rotates so that a centrifugal force may be applied in the direction of arrow 1046 together with the parts. In this case, the inner surface of the optical component holding component 1355 during rotation (the surface on the central axis side of the rotation) and the inner side of the optical component 1047 as a work placed on the optical component placement frame 1356a of the optical component insertion portion 1356. The surfaces (surfaces on the central axis side of rotation) are parallel to each other, and both surfaces are parallel to the central axis A1-A2 serving as the rotation center of the rotation shaft 1011 and the centrifugal force indicated by the arrow 1046 is shown. It is orthogonal to the direction.

  At the time of spin drying, due to the rotation of the rotating body 1010, the water as the cleaning liquid adhering to the workpiece 1047 at the time of cleaning is removed through the through hole 1356b in the direction of the arrow 1049 by the centrifugal force acting in the direction of the arrow 1046. Go.

  However, as a result of the investigation by the inventors of the present invention, in the conventional drying method as described with reference to FIGS. 29 to 31, the remaining cleaning liquid such as the cleaning liquids 1043 to 1045 is completely removed from the workpiece. In addition, when the spin drying apparatus stops rotating, the remaining cleaning liquids 1043 to 1045 flow around to the other surface of the workpiece and moisture adheres again, and the remaining cleaning liquids 1041 and 1042 also flow out. In many cases, the workpiece is wetted, and the remaining water creates stains on the workpiece such as the multilayer filter.

  For this reason, conventionally, in order to remove the remaining water, a work such as a multilayer filter is carefully picked up with tweezers, and a manual operation of wiping off the water with a cleaning paper or a cotton swab is required.

  FIG. 32 and FIG. 33 are schematic diagrams for explaining a method of wiping off a residual cleaning liquid in a conventional cleaning / drying method for optical components.

  32 and 33, reference numeral 400 is a workpiece, 501 is a cotton swab, 502 and 503 are ends of the cotton swab 501, 504 is an arrow indicating the direction of movement of the swab, 510 is a hand wrap, 511 is an organic solvent, and 512 is a hand wrap. , 513 is tweezers, and 514 is a tube. In FIG. 32, the organic solvent 511 is contained in the hand wrap 510. When the dish 512 is pushed down by, for example, the end 502 or 503 of the cotton swab 501, the organic solvent 511 causes the pipe 514 to reach the dish 512 by capillary action. Then, an appropriate amount of the organic solvent 511 can be attached to the end 502 or 503 of the cotton swab 501.

  In FIG. 33, the work 400 is picked by the tweezers 513, and the optical surfaces 401 and 402 of the work 400 are wiped and cleaned while moving the end 502 or 503 of the cotton swab 501 soaked with an organic solvent in the direction of the arrow 504. I can do it.

  Further, the work 400 can be wiped without attaching an organic solvent to the cotton swab 501 to remove moisture from the work 400.

  The cleaning / drying method described with reference to FIGS. 32 and 33 is often used for cleaning / drying although it cannot be cleaned / dried by the method described with reference to FIGS. However, in the case of a small work with a side of 8 mm or less, for example, a thin filter with a 1.4 mm square optical surface usually used for optical communication, the work is very small, The work of wiping off moisture is a very difficult work.

  Further, in the case of a heavy and relatively large rectangular parallelepiped optical component or a long optical component, the optical component described with reference to FIGS. 22 to 28 cannot be stably supported. There is no appropriate method for cleaning / drying in such a case, and it has been strongly desired to realize a cleaning / drying method suitable for mass production without causing stains.

  An example different from the example shown in FIG. 29 of a conventional optical component holding part for cleaning and drying is described in Japanese Patent Laid-Open No. 2000-249466 (hereinafter referred to as Patent Document 2). Patent Document 2 describes that an optical component is placed in a mortar-shaped through-hole provided on a pallet to perform drying (see FIGS. 1 to 3 of Patent Document 2). 2 and 5 to 7 of Patent Document 2 describe cross-sectional views in which a lid is attached to the hole, and the lid is provided with a hole that is appropriately formed. With respect to the hole in the lid, no special action other than flowing air through the mortar-shaped through hole is described.

  The inventors of the present invention performed cleaning and drying in the same manner as described above using an optical component holding part as in Patent Document 2, but good cleaning and drying cannot be performed, and hand wiping work is indispensable. there were. Furthermore, it was found that some optical components were damaged, and it was difficult to attach and remove the optical components.

JP-A-6-208093 JP 2000-249466 A

  As described above, simply holding a small optical component on a conventional optical component holding component, ultrasonically cleaning a large number of the optical components at once, and performing spin drying, for example, can be used as an optical communication component. There is a big problem that it is difficult to obtain a clean optical surface that can be obtained with good yield.

  That is, even when a workpiece such as a multilayer filter that has been subjected to ultrasonic cleaning is spin-dried, the cleaning liquid remains on the workpiece, and it is not possible to obtain a multilayer filter with a clean optical surface that has been subjected to good cleaning. In order to wipe off the residual cleaning liquid and stains caused by the cleaning liquid, it is necessary to carefully pick up a work such as a multilayer filter with tweezers and wipe it with a cleaning paper or a cotton swab. In particular, when the workpiece is small, this wiping work is inevitable.

  This wiping operation required very high skill and required several months of worker training in order to obtain satisfactory quality characteristics. And even if the operator who acquired this wiping work performed, the working efficiency was poor, and only 20 / hour multilayer filters could be cleaned at most.

  Therefore, long-time worker training is indispensable and it is not necessary to perform highly skilled wiping work, and many optical parts can be cleaned and dried at the same time, satisfying the function of the module. There has been a strong demand for a cleaning / drying means capable of obtaining an optical component having a clean optical surface that can be exhibited and an optical component holding component suitable for it.

  Further, when various optical parts such as shapes, dimensions, and weights are washed and dried, the fact that there are many kinds of optical part holding parts for that purpose has a problem that the manufacturing cost increases.

  The present invention has been made in view of such points, and one of the objects of the present invention is that it requires a long-time worker training and does not require a highly skilled hand-wiping operation, and is a compact optical device. Even in the case of parts, an object is to provide an optical part holding part suitable for cleaning and drying, which can dry a large number of optical parts after cleaning to a good state at a time. Another object of the present invention is to provide an optical component holding component that enables cleaning and drying of special optical components such as a large number of blocks and long optical components at a time.

  The present invention has been made to solve the above problems.

  In order to realize cleaning / drying of optical parts with good cleaning / drying quality and good yield, the inventors of the present invention have various methods regarding cleaning methods and cleaning devices and drying methods and drying devices from both the cleaning and drying aspects. We reviewed and made improvements.

  As a result, in order to truly improve cleaning and drying, it is not enough to improve the cleaning and drying method and equipment. It is also important to improve the optical component holding parts that hold the optical components as workpieces in the cleaning and drying process. A conclusion was reached. Based on this, the optical component holding parts were improved, and as a result, the optical parts were cleaned and dried dramatically.

  The optical component holding component of the present invention is an optical component holding component that holds and cleans and dries the optical component as a work so that it can move to some extent on the optical component mounting portion without fixing the optical component.

  Hereinafter, the features of the present invention will be described in detail.

  The first invention (hereinafter also referred to as invention 1) as an example of the present invention, which has been made by solving the above problems, can be used for at least one of cleaning of an optical component and spin drying of the cleaned optical component. An optical component holding component, wherein the optical component holding component has a plurality of optical component holding portions on which an optical component as an object to be cleaned or an object to be dried can be placed and held. The component holding portion has an optical component placement portion on which an optical component held therein can be placed, and a partition portion that is distinguished from each other adjacent optical component holding portion. The optical component placement portion is arranged on the opposite side of the optical component placement portion from the front side of the optical component placement portion, that is, the side on which the optical component is placed (hereinafter referred to as the optical component holding component). (Also called the back side) At least three through-holes are formed, and at least three of the through-holes have an elongated shape in each through-hole in the optical component mounting portion, and the openings are Two of the at least three through-holes having an elongated shape may be any one of the opposite end portions of the optical component mounting portion at least half of one side of the elongated portion of the opening of the through-hole. The optical component holding component is characterized in that it is formed in contact with each of the end portions while allowing an error within 0.5 mm.

  A second invention (hereinafter also referred to as Invention 2) made by developing Invention 1 as an example of the present invention is an optical component holding part according to Invention 1, wherein one side of the elongated portion of the opening of the through hole is provided. Two through-holes formed so that more than half of them are in contact with either one of the opposing end portions of the optical component mounting portion with an error of 0.5 mm or less are provided for each through-hole. In general, the entire side of the elongated side of each of the openings is formed so as to be in contact with any one of the opposite ends of the optical component mounting portion with an error of 0.5 mm or less (see FIG. In the following, more than half of one side of the elongated portion of the opening of each through hole is in contact with one of the opposing ends of the optical component mounting portion with an error of 0.5 mm or less. The state that is formed by the above, or each through A state in which substantially the entire one side of the elongated part of the opening of the optical part is formed in contact with either one of the opposing ends of the optical component mounting part with an error of 0.5 mm or less. (It is also said that the elongated one side of the opening of each through-hole is formed in contact with one of the opposing ends of the optical component mounting portion). This is an optical component holding component.

  A third invention (hereinafter also referred to as invention 3) made by developing invention 1 or 2 as an example of the present invention is the optical component holding component according to invention 1 or 2, wherein the optical component mounting portion is opposed. An opening of each of the two through holes formed in contact with one of the two ends is formed in contact with an elongated side of the opening of the optical component mounting portion. The optical component holding component is characterized in that it is formed continuously from one end portion to the other end portion of two end portions facing in opposite directions to the opposite end portions.

  A fourth invention (hereinafter also referred to as invention 4) made by developing inventions 1-3 as examples of the present invention is the optical component holding part according to any one of inventions 1-3, wherein at least one of the above The majority of the through holes excluding the through holes formed in such a manner that one side of the elongated part of the optical component placement part is in contact with either end of the opposite ends of the optical part placement part has an elongated shape. The opening is formed in an elongated shape in the same direction, and the opposing both end portions formed by contacting one of the elongated sides of the opening of the optical component mounting portion Is an optical component holding component that is formed continuously from one end portion to the other end portion of both end portions facing in different directions.

  A fifth invention (hereinafter also referred to as invention 5) made by developing inventions 1 to 4 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 4, wherein at least one of the above Of the at least three through-holes of the optical component placement portion, one of the elongated sides of the opening is different from two through-holes formed in contact with opposite ends of the optical component placement portion. The two through-holes face each other in a direction different from the opposite opposite end portions formed in contact with the central part of the optical component placement portion with one side of the elongated portion of the opening of the optical component placement portion. The optical component holding part is formed continuously from one end to the other end of the two ends.

  A sixth invention (hereinafter also referred to as invention 6) made by developing inventions 1 to 5 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 5, wherein at least one of the above All through-holes of the optical component mounting portion have elongated openings, the openings are elongated in the same direction, and the elongated one of the openings of the optical component mounting portion An optical device characterized in that it is formed continuously from one end portion to the other end portion of both end portions facing each other in a direction different from the opposing both end portions formed in contact with one side. It is a component holding component.

  A seventh invention (hereinafter also referred to as invention 7) made by developing inventions 1 to 6 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 6, wherein the optical part mounting is described above. At least two of the through holes of the mounting portion are optical component holding components characterized in that the center lines in the length direction of the openings on the surface of the optical component mounting portion are parallel to each other.

  An eighth invention (hereinafter also referred to as invention 8) made by developing inventions 1 to 7 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 7, wherein at least one of the above In the optical component mounting portion, at least three through holes having elongated openings are formed in parallel with each other, and the optical component holding component is an optical component holding component.

  A ninth invention (hereinafter also referred to as invention 9) made by developing inventions 1 to 8 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 8, wherein the optical part holding An optical component characterized in that at least a part of the end of the partition part is in contact with at least a part of the end of the optical component mounting part while allowing an error within 0.5 mm. It is a holding part.

  A tenth invention (hereinafter also referred to as invention 10) made by developing inventions 1 to 9 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 9, wherein the optical part holding The optical component holding component is characterized in that the shape of the portion above the optical component placement portion, that is, the portion on the side where the optical component is inserted is uniform in size and shape.

  An eleventh invention (hereinafter also referred to as invention 11) made by developing inventions 1 to 10 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 10, wherein the optical part holding The component is generally a parallel plate as a whole at least as a whole, except for the uneven shape of details such as the portions where the plurality of optical component holding portions are formed on the front side and the back side of the optical component holding component. It is an optical component holding component.

  A twelfth invention (hereinafter also referred to as invention 12) made by developing inventions 1 to 11 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 11, wherein the optical part holding An optical component holding component, wherein at least one of the partition portions is a detachable partition portion.

  A thirteenth invention (hereinafter also referred to as invention 13) made by developing inventions 1 to 12 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 12, wherein the optical part holding An optical component holding component, wherein an edge portion of the through hole of the optical component mounting portion of the component is chamfered or formed in a curved shape.

  A fourteenth invention (hereinafter also referred to as the invention 14) made by developing the inventions 1 to 13 as examples of the present invention is the optical component holding part according to any one of the inventions 1 to 13, wherein the optical part holding The optical component holding component is characterized in that the openings in the surface of the optical component placement portion of all the through holes of the portion are formed in parallel to each other.

  A fifteenth invention (hereinafter also referred to as invention 15) made by developing inventions 1 to 14 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 14, wherein The opening on the surface of the optical component mounting portion of the through hole that is not a through hole formed in such a manner that one side of the elongated side is in contact with each opposing end of the optical component mounting portion is in the vicinity of both ends of the opening. It is an optical component holding part characterized by being an opening having a uniform width except for.

  A sixteenth invention (hereinafter also referred to as invention 16) made by developing inventions 1 to 15 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 15, wherein the through-hole is The optical component holding component is a substantially uniform through-hole allowing an inclination within 5 ° from the surface of the optical component mounting portion to the back side of the optical component holding component.

  A seventeenth invention (hereinafter also referred to as an invention 17) made by developing the inventions 1 to 16 as examples of the invention is the optical component holding part according to any one of the inventions 1 to 16, wherein the optical part holding The optical component holding component is characterized in that the edge portion on the back side of the part where the optical component holding portion of the component is formed is chamfered.

  An eighteenth invention (hereinafter also referred to as invention 18) made by developing inventions 1 to 17 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 17, wherein the optical part holding An optical component holding component characterized in that the edges of all through-hole openings on the back side of the portion where the optical component holding portion of the component is formed are chamfered.

  A nineteenth invention (hereinafter also referred to as an invention 19) made by developing the inventions 1 to 18 as examples of the present invention is the optical component holding part according to any one of the inventions 1 to 18, wherein the optical part mounting is described above. The portion between two adjacent through-holes of the meat portion constituting the bottom of the optical component holding portion that is the mounting portion, that is, the portion between the two adjacent through-holes is an island portion The optical component holding component is characterized in that the width dimension of the island portion of the optical component mounting portion in the optical component mounting portion is 0.6 to 2 mm.

  A twentieth invention (hereinafter also referred to as an invention 20) made by developing the inventions 1 to 19 as examples of the present invention is the optical component holding part according to any one of the inventions 1 to 19, wherein a plurality of adjacent parts are provided. In addition, a groove (hereinafter also referred to as a connecting groove) that is shallower by 0.5 mm or more than the peripheral edge of the optical component mounting portion of the optical component holding portion is formed between the optical component holding portions. It is an optical component holding component.

  A twenty-first invention (hereinafter also referred to as invention 21) made by developing Invention 20 as an example of the present invention is the optical component holding component according to Invention 20, wherein the plurality of connecting grooves are optical component holding components. An optical component holding part formed on a surface in parallel in one direction.

  A twenty-second invention (hereinafter also referred to as invention 22) made by developing inventions 1-21 as examples of the present invention is the optical component holding part according to any one of inventions 1-21, wherein the optical part holding A plurality of pin-shaped convex portions and a plurality of concave portions (hereinafter also referred to as surface concave portions) capable of fitting the pin-shaped convex portions are formed in the peripheral portion of the surface of the component, and the surface of the optical component holding component A concave portion (hereinafter also referred to as a rear concave portion) into which the pin-shaped convex portion can be fitted is formed on the back surface of the position where the convex portion is formed, and the convex portion on the front surface is on the back side. An optical component holding part characterized in that the optical part holding part is structured so as to be fitted into a formed recess and to couple a plurality of the optical part holding parts.

  A twenty-third invention (hereinafter also referred to as invention 23) made by developing inventions 1-22 as examples of the present invention is the optical component holding part according to any one of inventions 1-22, wherein the optical part holding The shape of the front peripheral edge of the component, that is, the peripheral edge on the side where the optical component holding part is formed is the front outer peripheral edge and the inner peripheral edge (hereinafter also referred to as the front inner peripheral edge) having different heights. The two-stage shape (hereinafter also referred to as the front-side two-stage shape) having the two types of peripheral portions is the height of the front-side two-stage shape in the direction from the front surface to the back surface of the optical component holding component. The front outer periphery is defined to be lower in height than the front inner periphery, and the front inner periphery is formed with the protrusion and the surface recess. The optical component holding part is formed inside the part The back side peripheral edge of the optical component holding component has a two-stage shape (hereinafter referred to as a back-side two-stage shape) of a back-side outer peripheral edge having a different height and an inner peripheral edge (hereinafter also referred to as back-side inner peripheral edge) The backside two-stage shape is such that the backside outer peripheral edge has a lower height than the backside inner peripheral edge, that is, the backside outer peripheral edge on the backside of the optical component holding component. An inner peripheral edge is formed to be depressed, a through hole of the optical component holding part is formed inside the back inner peripheral edge, and two different optical component holding parts are connected to one of the optical parts. A convex portion formed on the front inner peripheral edge of the one optical component holding component by engaging the front inner peripheral edge of the component holding component with the rear inner peripheral portion of the other optical component holding component. The other optical An optical component holding parts, characterized in that has a structure which can be connected is fitted on the back recess formed on the back side inner periphery of the article holding part.

  A twenty-fourth invention (hereinafter also referred to as invention 24) made by developing inventions 1 to 23 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 23. The optical component holding component is arranged such that one of the optical component holding components has the front side on which the optical component holding unit is formed as the upper side, and the other optical component holding component has the front side on which the optical component holding unit is formed as the lower side. When the two optical component holding components are overlapped, the convex portion formed on the front side inner peripheral portion of the one optical component holding component is changed to the front side inner peripheral portion of the other optical component holding component. It is an optical component holding part characterized in that it has a structure that can be connected by being fitted into a surface recess formed in the part.

  A twenty-fifth invention (hereinafter also referred to as invention 25) made by developing the invention 24 as an example of the present invention is the optical component holding part according to the invention 24, wherein the two optical part holding parts are The optical component holding component has the front side on which the optical component holding portion is formed facing up, and the other optical component holding component is on the bottom side where the optical component holding portion is formed facing down. When the holding components are overlapped, a gap of 0.1 to 0.5 mm is formed between at least a part of the surface of the one optical component holding component and the surface of the other optical component holding component. It is an optical component holding component.

  A twenty-sixth invention (hereinafter also referred to as invention 26) made by developing inventions 1 to 25 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 25. An optical component holding component, wherein an interval between two optical component holding portions adjacent to each other is 0.6 mm or more.

  A twenty-seventh invention (hereinafter also referred to as invention 28) made by developing inventions 23 to 26 as examples of the present invention is the optical component holding part according to any one of inventions 23 to 26, wherein An optical component holding component characterized in that a through-hole reaching the back inner peripheral edge of the optical component holding component is formed in a peripheral portion of the front side inner peripheral portion of the component at a half or more of the peripheral portion of the front side inner peripheral portion. is there.

  A twenty-eighth invention (hereinafter also referred to as invention 28) made by developing inventions 1-27 as an example of the present invention is the optical component holding part according to any one of inventions 1-27. An optical component holding component characterized in that a contour shape of the component viewed from above the optical component holding portion is a quadrangle.

  A twenty-ninth invention (hereinafter also referred to as invention 29) made by developing the invention 28 as an example of the present invention is an optical component holding part according to the invention 28, in which a cut-out is formed at one corner of the square of the optical part holding part. An optical component holding component characterized in that a portion is formed.

  A thirtieth invention (hereinafter also referred to as invention 30) made by developing inventions 1 to 29 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 29, wherein the optical part holding It is an optical component holding part characterized in that the parts are arranged in a matrix in the vertical and horizontal directions.

  A thirty-first invention (hereinafter also referred to as invention 31) made by developing inventions 1 to 30 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 30, wherein at least one of the above The optical component holding component of the optical component holding unit is characterized in that a contour shape of the optical component holding unit viewed from above the optical component mounting unit is a quadrangle.

  A thirty-second invention (hereinafter also referred to as invention 32) made by developing the invention 31 as an example of the present invention is the optical component holding part according to the invention 31, wherein the optical in the at least one optical part holding part is The optical component holding component is characterized in that a contour shape of the optical component holding portion viewed from above the component placement portion is rectangular.

  A thirty-third invention (hereinafter also referred to as invention 33) made by developing inventions 1 to 30 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 30, wherein at least one of the above An optical component holding component, wherein the optical component holding portion of the optical component holding portion as viewed from above the optical component holding portion has a circular contour shape.

  A thirty-fourth invention (hereinafter also referred to as invention 34) made by developing inventions 1 to 30 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 30, wherein at least one of the above The optical component holding component of the optical component holding portion is characterized in that an outline shape of the optical component holding portion viewed from above the optical component placement portion is an ellipse or an oval.

  A thirty-fifth invention (hereinafter also referred to as invention 35) made by developing inventions 1 to 30 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 30, wherein at least one of the above The optical component holding component of the optical component holding portion is characterized in that the outline shape of the optical component holding portion viewed from above the optical component placing portion is an elongated hole shape, that is, an elongated hole shape.

  A thirty-sixth invention (hereinafter also referred to as invention 36) made by developing inventions 1-35 as examples of the present invention is the optical component holding part according to any one of inventions 1-35, wherein at least one of the above An optical component holding part, wherein the optical component holding part is formed as an optical part holding part (hereinafter also referred to as a variable optical part holding part) capable of changing a dimension in at least one direction of the optical component holding part. It is.

  A thirty-seventh invention (hereinafter also referred to as invention 37) made by developing the invention 36 as an example of the present invention is the optical component holding part according to the invention 36, wherein at least one direction of the variable optical part holding part is provided. The optical component holding component is characterized in that the means for changing the dimension is a means by a detachable partition (hereinafter also referred to as a variable partition).

  A thirty-eighth invention (hereinafter also referred to as invention 38) made by developing the invention 36 or 37 as an example of the present invention is the optical component holding part according to the invention 36 or 37, above the optical part holding part. The optical component holding component viewed from above is partitioned in one direction (hereinafter also referred to as a vertical direction) by a partition portion (hereinafter also referred to as a fixed partition portion) to which the variable optical component holding portion is fixed. The variable optical component holding part is arranged by moving the variable partitioning part in a direction generally orthogonal to the vertical direction of the optical component holding part (hereinafter also referred to as a horizontal direction). It is an optical component holding part characterized by having a structure capable of.

  A thirty-ninth invention (hereinafter also referred to as invention 39) made by developing the inventions 36 to 38 as examples of the present invention is the optical component holding part according to any one of the inventions 36 to 38. The optical component holding component viewed from above the portion is arranged in a plurality of rows in one direction (hereinafter, also referred to as a vertical direction), the variable optical component holding portion being partitioned by a variable partitioning portion, The variable optical component holding portion can be arranged by moving the variable partition portion in a direction (hereinafter, also referred to as a horizontal direction) generally orthogonal to the vertical direction of the optical component holding component, and also in the vertical direction. An optical component holding component characterized in that the variable partition portion can be moved and arranged.

  A fortieth invention (hereinafter also referred to as invention 40) made by developing the inventions 37 to 39 as examples of the present invention is the optical component holding part according to any of the inventions 37 to 39, wherein the variable partition portion An optical component holding component characterized in that an attachment portion (hereinafter also referred to as a variable partition portion attachment portion) that can be attached to the fixed partition portion or a variable partition portion different from the variable partition portion is provided. is there.

  A forty-first invention (hereinafter also referred to as invention 41) made by developing inventions 36 to 40 as examples of the present invention is the optical component holding part according to any one of inventions 36 to 40, wherein In the part, at least two of the through holes are formed so as to have openings from one end to the other end of the optical component mounting portion in a direction parallel to the variable partition portion. It is an optical component holding component.

  A forty-second invention (hereinafter also referred to as an invention 42) made by developing the inventions 36 to 41 as examples of the present invention is the optical component holding part according to any one of the inventions 36 to 41. The variable optical component holding portion has fixed partition portions at both ends in the lateral direction, and a plurality of attachment portions to which the variable partition portions can be detachably attached are provided between the both fixed partition portions. This is an optical component holding component.

  A forty-third invention (hereinafter also referred to as invention 43) made by developing inventions 36 to 42 as an example of the present invention is the optical component holding part according to any one of inventions 36 to 42. A plurality of the variable optical component holding portions are arranged in the vertical direction of the component, and at least one of the variable optical component holding portions is arranged in the horizontal direction of each row. is there.

  A forty-fourth invention (hereinafter also referred to as an invention 44) made by developing the invention 42 or 43 as an example of the present invention is the optical component holding part according to the invention 42 or 43, wherein the plurality of rows of variable optical parts are arranged. The fixed partition portion or the variable partition portion that partitions the holding portion can be equipped with the variable partition portion that can partition each variable optical component holding portion across the plurality of rows of variable optical component holding portions. An optical component holding component, wherein the variable partition mounting portion is provided at a plurality of locations.

  A forty-fifth invention (hereinafter also referred to as invention 45) made by developing the invention 44 as an example of the present invention is the optical component holding part according to the invention 44, wherein the fixed partition portion or the variable partition portion includes the An optical component holding component, wherein the variable partition mounting portions are arranged at equal intervals.

  A forty-sixth invention (hereinafter also referred to as invention 46) made by developing inventions 40 to 45 as examples of the present invention is the optical component holding part according to any one of inventions 40 to 45, wherein the variable partition portion An optical component characterized in that a convex portion (hereinafter also referred to as an engaging convex portion) that can be inserted into the variable partition portion mounting portion is provided in a portion that is attached to the variable partition portion mounting portion. It is a holding part.

  A forty-seventh invention (hereinafter also referred to as invention 47) made by developing invention 46 as an example of the present invention is the optical component holding part according to invention 46, wherein the outer shape of the engaging convex portion is a slender curved surface. It is an optical component holding part characterized by being.

  A forty-eighth invention (hereinafter also referred to as invention 48) made by developing invention 46 or 47 as an example of the present invention is the optical component holding part according to invention 46 or 47, wherein the outer shape of the engaging convex portion is as follows. Is a part of the side surface of the cylinder.

  A forty-ninth aspect of the invention (hereinafter also referred to as "invention 49") developed by developing the invention 46 as an example of the present invention is the optical component holding part according to the invention 46, wherein the outer shape of the engaging convex portion is a spherical surface. It is an optical component holding part characterized by being a part.

  According to a fifty invention (hereinafter also referred to as invention 50) made by developing the invention 46 as an example of the present invention, in the optical component holding part according to the invention 46, the outer shape of the engaging convex portion is a triangular prism. It is an optical component holding part characterized by being a part.

  A fifty-first invention (hereinafter also referred to as invention 51) made by developing the inventions 46 to 50 as examples of the present invention is the optical component holding part according to any one of the inventions 46 to 50, wherein the variable partition portion. The variable partition portion mounting portion is provided at a position of the variable partition portion that intersects all the fixed partition portions or variable partition portions to which the variable partition portion can be mounted. It is.

  A fifty-second invention (hereinafter also referred to as invention 52) made by developing the inventions 46 to 51 as examples of the present invention is the optical component holding part according to any one of the inventions 46 to 51, wherein the variable partition portion. An optical component holding part characterized in that a thickness dimension including the engaging convex part is 0.01 to 0.1 mm larger than a dimension of the variable partition mounting part to which the engaging convex part is attached. is there.

  A thirty-third invention (hereinafter also referred to as an invention 53) made by developing the inventions 37 to 52 as examples of the present invention is the optical component holding part according to any one of the inventions 37 to 52, wherein the variable partition portion The optical component holding component is characterized in that the shape of the portion in contact with the bottom of the optical component holding portion is the same as the shape of the bottom of the optical component holding portion.

  A fifty-fourth invention (hereinafter also referred to as invention 54) made by developing inventions 1 to 53 as examples of the present invention is the optical component holding part according to any one of inventions 1 to 53, wherein An optical component holding component, wherein the component is formed by a resin integral molding technique.

  The 55th invention (hereinafter also referred to as invention 55) as an example of the present invention, which has been made by solving the above-mentioned problems, can be used for at least one of cleaning of an optical component and spin drying of the cleaned optical component. An optical component holding component, wherein the optical component holding component has a plurality of optical component holding portions on which an optical component as an object to be cleaned or an object to be dried can be placed and held. The component holding portion has an optical component placement portion on which an optical component held therein can be placed, and a partition portion that is distinguished from each other adjacent optical component holding portion. The optical component placement section has a side opposite to the optical component insertion side of the optical component holding portion from the front side of the optical component placement portion, that is, the side on which the optical component is placed (hereinafter referred to as the optical component holding portion). On the back of the parts At least two through-holes formed so as to penetrate the optical component mounting portion, and at least two of the through-holes are formed in the optical component placement portion so that a part of the opening of each through-hole is the optical The optical component holding component is characterized in that it is formed in contact with any one of the opposing end portions of the component mounting portion while allowing an error within 0.5 mm.

  As mentioned above, although the example of this invention was demonstrated, this invention is not limited to these narrowly and it is clear from the above description and the following description that many variations are possible.

  According to the present invention as described above, spin drying of a small optical component after cleaning, which could not be dried without using a hand wiping process, has been shortened in large quantities at once without making the hand wiping process indispensable. In time, it became possible to dry with high quality.

  According to the present invention, a clean optical surface free from spots and scratches can be realized by a manufacturing method suitable for mass production with little variation.

  In the present invention, the strength of the deposited film to be applied thereafter is improved by washing and drying using the optical component holding part of the present invention, and there is no need to worry about the peeling off of the deposited film as in the prior art. Since the washed object is washed cleanly, for example, in the press working process of a lens used for a digital camera (digital camera) or the like, when the ball material as the raw material is molded, it is generated in the mold due to the contamination of the ball material. It was possible to prevent the occurrence of scratches on the mold that had been used, and brought many effects such as significantly extending the service life of the mold that presses the ball lens. The mold is very expensive, and the present invention has a great effect of not only improving the quality of the lens but also greatly reducing the manufacturing cost.

  As described above, the cleaning and drying using the optical component holding component of the present invention has made it possible to obtain a very high-quality clean optical surface with a high yield. First of all, it was necessary to check by rubbing with a cotton swab etc., but since the dirt was removed by the implementation of the present invention, it was easy to judge that it was a scratch, and the optical surface was inspected after cleaning and drying. I was able to save a lot of time.

  The optical component holding component of the present invention can use resin molding, and a high-performance optical component holding component can be obtained at a low cost by selecting an appropriate resin.

  In addition, according to the present invention, it is not necessary to prepare various types of optical component holding parts as in the prior art for cleaning and drying various types of optical components.

  As described above, the present invention exhibits a great industrial effect.

  Examples of embodiments of the present invention will be described below with reference to the drawings. The drawings used for the description schematically show the dimensions, shapes, arrangement relationships, and the like of each component to the extent that an example of the present invention can be understood. For convenience of explanation of the present invention, there may be cases where the enlargement ratio is partially changed for illustration, and the drawings used for explanation of the examples of the present invention may not necessarily be similar to the actual objects and descriptions of the embodiments. Moreover, in each figure, about the same component, it attaches and shows the same number, The overlapping description may be abbreviate | omitted.

  FIG. 34 is a diagram illustrating a cradle used in a cleaning or drying process. 34A is a view of the cradle as viewed from above, FIG. 34B is a view of the cradle as viewed from the front side, and FIG. 34C is a view of the cradle as viewed from the right side. The positional relationship is shown.

  34, reference numeral 800 is a cradle, 811 to 814 are side walls of the cradle, 820 and 821 are pins attached to the lower portions of the side walls 812 and 813, 830 is a handle portion used when the cradle 800 is held, and 852 to 855 are respectively A support column 851 provided below the inner side of the side walls 811 to 814 (that is, the bottom of the cradle) is a mounting unit for mounting an optical component holding component for cleaning and drying, and is fixed to the columns 852 to 854. The cradle 800 can be made of, for example, stainless steel.

  In FIG. 34, when the optical component holding component for cleaning / drying holding the optical component is placed in the cradle 800 and the cleaned optical component is spin-dried, the optical component holding component for cleaning / drying is placed on the mounting portion 851. Place the cradle on the spin dryer. The mounting portion 851 is not limited to this, but is formed below the cradle, for example, slightly above the position of the pins 820 and 821, and when using an optical component holding component for cleaning and drying parallel plates, For handling, if the bottom surface of the cradle mounted on the rotating body of the spin dryer and the front and back surfaces of the optical component holding parts for cleaning and drying the mounting portion 851 and the parallel plate are formed in parallel, Convenient.

  FIGS. 1-6 is a figure explaining the example of embodiment of the optical component holding component of this invention. FIG. 1 is a plan view of the optical component holding component 200 as viewed from the side where the optical component is inserted into the optical component holding portion, that is, the front side. FIG. 2 is the side where the optical component holding component 200 is inserted into the optical component holding portion. It is the top view seen from the other side, ie, a back side, and is a top view of the state rotated right and left centering on B1-B2 of FIG. 3 is a cross-sectional view of the optical component holding component 200 at the position B7-B8 in FIG. 4 is a plan view of the optical component holding part 202 formed in the optical component holding component 200 of FIG. 1 as viewed from the front side of the optical component holding component 200, and FIG. 5 is an engagement hole 204 of the optical component holding component 200 of FIG. FIG. 6 is a cross-sectional view of the vicinity of the engaging protrusion 205 of the optical component holding component 200 of FIG.

  1 to 6, reference numerals 200, 200a, and 200b denote optical component holding components as embodiments of the present invention, 201 denotes a substrate, 201a denotes the front side of the substrate 200, that is, the side on which the optical component holding portion is formed, 201b is the back side of the substrate 200, that is, the side opposite to the side where the optical component holding portion is formed, 202 is an optical component holding portion formed as a recess in the front side 201a of the substrate 201, and 203 is an optical component holding portion that is connected. Grooves formed, 204 are holes formed in the corners on the front side of the substrate 201, 205 are engaging projections formed in the corners on the front side of the substrate 201, 206 are spacer projections, and 208 and 209 are Holes 212, an optical component placement portion 213, a back side portion where the optical component holding portion 202 is formed, and 214 a to 214 d island portions (hereinafter referred to as islands) of the optical component placement portion. Each or also called island portion 214 a generic name of them), 215A～215e the through hole of the optical component placing part (hereinafter, a respective through hole or collectively referred to as a through-hole 215).

  As shown in FIG. 1, an optical component holding component 200 according to an embodiment of the present invention has an optical component holding portion 202 formed as a concave portion on a surface 201a of a flat substrate 201 in a matrix of 10 rows and 10 columns. A groove 203 is formed between the optical component holding portions 202 formed in each column in the vertical direction.

  On the back side 201b of the substrate 201, a back side portion 213 where the optical component holding portion 202 is formed is formed in a portion where each optical component holding portion 202 is formed on the front side of the substrate. Has been. The back side portion 213 on which the optical component holding part 202 is formed has two optical component holding components 200 having the same shape and dimensions, and the back side of one optical component holding component 200 is overlapped with the front side of the other optical component holding component 200. The entire back side portion 213 on which each optical component holding portion 202 is formed is formed corresponding to the position of each optical component holding portion 202. This structure not only improves drainage of spin drying, but also has an effect of suppressing the optical component from popping out during spin drying.

  A hole 208 and a hole 209 are formed diagonally at the four corners of the back side 201b. Two optical component holding components 200 having the same shape and size are provided, and the back side of one optical component holding component 200 is the other optical component holding component. When the two optical component holding parts 200 are slightly lifted when the engaging projection 205 enters the hole 208 when they are stacked on the front side of 200, they cannot be easily removed. At this time, a predetermined distance between the surfaces of the two stacked optical component holding components (that is, between the back surface of one optical component holding component and the surface of the other optical component holding component) is determined by the spacer protrusion and the surface of the substrate. The interval is kept. In the present embodiment, the predetermined interval is 0.1 to 0.5 mm.

  When one optical component holding portion 202 is viewed from directly above the surface 201a in FIG. 1, through holes 215 and island portions 214 are alternately formed in the optical component mounting portion as shown in FIG. The optical component mounting portion 212 is generally symmetrical with respect to the straight line connecting B9 and B10 in FIG. As described above, the through holes 215 and the islands 214 are alternately formed.

  The outer peripheral shape of the optical component holding portion, that is, the contour thereof is shown in the example of FIGS. 1 to 6 as a circular example in a plan view such as FIG. 1 or FIG. 4, but this contour shape is not limited to this, A rectangular shape as described below, or an elongated shape such as an oval shape or an oval shape can be used. Therefore, in the following description, there may be a case where a feature that can be applied to the other shapes is described while taking an optical component holding portion having an outer peripheral shape with a circular outline as an example. These non-rigidities can be easily determined from the technical idea of the present invention.

  As shown in FIG. 4, the optical component placement section 212 has six through holes 215 a to 215 e with elongated openings, and each through hole extends from the surface of the optical component placement section to the back side of the substrate. The through hole has a uniform shape and size up to 201b. Since the opening of the through hole has an elongated shape, when the cleaning liquid at the time of drying is removed, the liquid flow in the through hole is prevented from being stopped by bubbles of the cleaning liquid.

  In FIG. 4, the through holes 215 a to 215 e are formed so that the sides on the island side are parallel to each other. The through-holes 215b, 215c, and 215d are formed so that their centerlines are parallel to each other (thus, strictly speaking, there may be shapes other than the longitudinal ends) (therefore, the through-holes are parallel to each other). In addition, the outer peripheral portion 212b of the optical component mounting portion 212 is continuously formed from one end to the other end facing each other. The through hole 215c is formed so as to pass through the center of the optical component placement portion 212. One of the elongated sides (sides indicated by reference numerals 215a1 and 215e1) of the elongated through hole 215a and the through hole 215e formed at both ends of the optical component placing unit 212 is the optical component placing unit 212. Each of the end portions 212c and 212d facing each other, which is different from the end portions facing the through holes 215b, 212c, and 215d of the outer peripheral portion 212b, is set to 0. It is formed so as to allow an error of 5 mm or less. These structures have an effect of promoting water drainage of the detergent residual liquid during spin drying. The fact that one side of the opening portion of the through hole and a part of the end portion (outer peripheral portion 212b) of the optical component mounting portion 212 are in contact with each other with an error of 0.5 mm or less is formed by using resin In the case of manufacturing by technology, the inventors of the present invention consider that it is possible to mold with an error within this range without incurring a special increase in manufacturing cost, and that the water draining effect is not much disturbed. Due to being confirmed by.

  The length of one of the elongated sides of the elongated through-hole that is in contact with the end of the optical component mounting portion 212 is most remarkable when the entire length is in contact with the drainage effect. There is a relatively large effect even when the is in contact. It is important from the standpoint of enhancing the drainage effect that the openings of the plurality of through holes are formed in contact with the end of the optical component mounting portion 212 as described above.

  If the outer peripheral portion 212b of the optical component holding portion 212 is formed to be 10% or more larger than the maximum size of the portion placed on the placement portion of the optical component that is put into the optical component and cleaned and dried, Cleaning and drying are performed in an appropriate state, such as when the optical components move appropriately during drying, for example, they prevent clogging of the opening of the through-hole during spin drying and prevent the water draining effect. The effect can be further enhanced.

  The side wall of the optical component holding unit 202 is formed in the shape of a uniform cylindrical surface having the same diameter from the opening for inserting the optical component to the outer peripheral portion 212b of the optical component mounting unit which is the boundary with the optical component mounting unit 212. Has been. This structure is easy to insert optical components, reduces the risk of damage when optical components move on the optical component holder during cleaning and drying, reduces the restrictions on target optical components, etc. Bring about the effect.

  The opening of the side wall of the optical component holding unit 202, that is, the entrance portion of the optical component holding unit 202 is formed into a curved surface such as a tapered surface or a so-called R surface, so that the optical components to be cleaned and dried can be taken in and out. In addition, when the optical component holding component 200 is used in an overlapping manner, the risk of damage to the optical component can be effectively reduced, and when applied in the present embodiment, good results have been obtained.

  Between the two through holes of the optical component placement portion 212, the island portion 214 that is a flesh portion of the optical component placement portion 212 is formed. That is, there is an island portion 214a between the through hole 215a and the through hole 215b, an island portion 214b between the through hole 215b and the through hole 215c, and an island portion 214c between the through hole 215c and the through hole 215d. There is an island 214d between the through hole 215d and the through hole 215e. A suitable width of the island portions formed in parallel with each other is 0.6 to 2 mm. A width dimension in this range is particularly preferable from the viewpoint of integral molding processing using a resin and from the viewpoint of cleaning and drying effects. If the width is 0.6 mm or less, there is a problem that the resin hardly flows during the resin processing. From the viewpoint of the washing / drying effect, it is preferable to set the width to 2 mm or less, which allows good drainage.

  The shape of the side surface of the through hole of the optical component mounting part, that is, the shape of the part forming the through hole of the island part on both sides is generally from the surface of the optical component mounting part to the back surface of the optical component holding part. They are formed in parallel with an inclination or change within 5 °. That is, each through-hole 215 is formed in parallel with each other, and its cross-sectional shape is also formed uniformly. This structure of the through hole has a great effect on the effective removal of the cleaning liquid.

  In addition, when the plurality of optical component holding components 200 are used in a stacked manner as described above, the peripheral portion of the island portion is chamfered also on the back surface of the substrate from the viewpoint of not damaging the object to be cleaned / dried. Shape etc. are preferred.

  The substrate 201 on which the optical component holding component 200 is formed is a parallel plate except for the detailed structure (uneven structure) of the portion where the optical component holding portion 202 on the front surface and the back surface of the substrate is formed. This shape makes it easy to set conditions when a plurality of optical component holding components are used in an overlapping manner, can improve the cleaning / drying quality, and exhibits a great effect in mass production.

  3 is a cross-sectional view of a groove portion formed on the front side 201a of the substrate in FIG. 1. The groove 203 is a groove shallower by 0.5 mm or more than the end of the optical component placement portion of the optical component holding portion 202. Depending on the type of optical component, this groove can be used to insert and remove the optical component with, for example, tweezers. When the depth of the groove is set at the position of the end of the optical component placement portion and the shallowness from the end of the optical component placement portion is less than 0.5 mm, the detachability of the optical component is reduced.

  In the example of FIG. 1, the grooves 203 are formed between the adjacent optical component holding portions 202 as connecting grooves between them in parallel to each other in the vertical direction on the front side 201 a of the substrate, so that the optical components can be easily taken in and out. is doing.

  5 and 6 are enlarged views of the corner hole and the periphery of the protruding portion of the substrate 201 of FIG. 1, and the holes 204 and 209 are formed when the substrate 201 is used in an overlapping manner as will be described later. The shape and dimensions are formed so that the protrusion 205 formed on the front side of the can be fitted.

  When the two optical component holding components 200 are used in an overlapping manner, the spacer projection 206 acts to make a gap between them a predetermined interval.

  7 to 10 are cross-sectional views for explaining a case where a plurality of optical component holding components 200 according to embodiments of the present invention are used in an overlapping manner, and each of the individual optical component holding components 200a shown in FIGS. 7 and 9 is used. , 200b corresponds to FIG. 3, and FIGS. 8 and 10 are diagrams for explaining the engagement between the protrusion and the hole.

  7 to 10, reference numerals 200a, 200b, and 220 denote optical component holding parts of the present invention, and 216 and 217 denote enlarged portions.

  FIGS. 7 and 8 show two optical component holding components 200a and 200b, with one optical component holding component 200b facing downward, the other optical component retaining component 200a facing upward, and the front side of each substrate facing each other. This is an example in which the optical component holding component 220 is superposed.

  FIG. 7 shows a state in which the grooves 203 are arranged parallel to each other in the same direction (perpendicular to the paper surface).

  In the case of FIG. 7, although not shown, the respective optical component holding portions 202 are in positions where the openings face each other and overlap, and the optical components are placed on the optical component holding portion 202 of the optical component holding component 200 b. The optical component holding part 202 of the optical component holding component 200a serves as a lid. The optical component holding component 220 having such a configuration can be used for cleaning and drying an optical component having a height that slightly exceeds the depth of one optical component holding portion 202, and holds two optical components facing each other. In the unit 202, the optical component can move appropriately during the cleaning and drying process, and good cleaning and drying can be performed.

  8 is an enlarged view of a portion surrounded by a circle 116 in FIG. 7. As shown in FIG. 8, the engagement protrusion 205 of the optical component holding component 200a has a hole for engagement of the optical component holding component 200b. The optical component holding component 200a and the optical component holding component 200b are inserted into 204 and coupled with an appropriate gap. This gap is maintained at an appropriate interval by the spacer protrusion 206.

  9 and 10 show two optical component holding components 200a and 200b, the other optical component holding component 200b below the one optical component holding component 200a, and the bottom side 201b1 of the substrate of the optical component holding component 200a. In this example, the front side 201a2 of the substrate of the optical component holding component 200b is overlaid.

  FIG. 9 shows a state in which the grooves 203 are arranged in the same direction (perpendicular to the paper surface).

  FIG. 10 is an enlarged view of a portion surrounded by a circle 117 in FIG. 9. As shown in FIG. 8, the engagement protrusion on the surface of the optical component holding component 200b is connected to the back surface of the optical component holding component 200a. The optical component holding component 200a and the optical component holding component 200b are inserted into the combination holes and joined with an appropriate gap. This gap is maintained at an appropriate interval by the spacer protrusion 206.

  Three or more optical component holding components can be stacked in the manner of stacking the optical component holding components and used for spin drying, for example.

  As a preferable example of the gap (interval) between the two substrates in the usage method in which a plurality of optical component holding components described above are stacked, extremely good optical component cleaning is achieved when the thickness is 0.1 to 0.5 mm. -Drying was possible. If the gap between the two substrates is 0.1 mm or more, the effect of water drainage in the spin drying of the present inventors is great, but if the gap is larger than 0.5 mm, depending on the shape and dimensions of the workpiece, the gap The workpiece may jump out from the top, and 0.1 to 0.5 mm is a particularly preferable gap.

  Further, the various optical component holding parts of the present invention are not only cleaned and dried of optical components, but also cleaned in a clean environment after cleaning and drying, for example, packed with a transparent thin plastic material, etc. And can be shipped to customers, etc., and its application is extremely wide.

  One of the major features of the embodiment of the present invention described above is that the main through holes in the optical component mounting portion are formed in parallel.

  Next, another embodiment in which main through holes are formed in parallel will be described.

  FIGS. 11 to 14 are views for explaining an optical component holding component 250 having a variable optical component holding portion using a variable partitioning portion as an embodiment of the present invention. FIG. FIG. 12 is a side view for explaining the engaging convex portion of the variable partition portion, and is a view seen from the longitudinal end of the variable partition portion. FIG. 13 is a partially enlarged view of the optical component holding part. FIG. 14 is a partially enlarged view of the optical component holding part, and is a plan view of a state in which the variable partition part is not attached to the variable partition part attachment part 260. FIG.

  11 to 14, reference numeral 250 denotes an optical component holding component, 251 denotes a substrate, 251 a denotes a front side of the substrate 251, 252, 252 a, 252 b, and 252 c denote variable optical component holding portions, and 254 a to 254 d denote optical component placement portions. Island portions (hereinafter, the island portions are also collectively referred to as island portions 254), 254e is an island portion formed at the variable partition mounting position, and 255a to 255e are through-holes of the optical component mounting portion ( Hereinafter, each of the through holes or they are collectively referred to as a through hole 255) 256 is a variable partition portion, 256a is a partition plate constituting the variable partition portion, and 256b is a variable partition portion mounting portion 260 provided on the substrate 251. Spherical protrusions provided on the side surface of the partition plate with engaging protrusions for attaching the variable partition portion 256 to the upper surface, 256c is the upper surface of the partition plate constituting the variable partition portion, and 256d is variable The lower surface of the partition plate constituting the cut portion, 260 is a variable partition mounting portion, 261 is an engaging protrusion provided at a corner at a diagonal position on the front side 251a of the board, and 262 is an engaging protrusion on the front side 251a of the board. Holes 263 provided at the corners at diagonal positions different from the corners at which 261 are provided are spacer protrusions.

  In the optical component holding component 250, as shown in FIG. 11, the variable optical component holding portions 252 are formed as concave portions on the front side 251a of the substrate 251 in seven rows and in the vertical direction of the front side 251a of the substrate 251. As shown in the figure, each row of the variable optical component holders 252 has a pair of variable partition mounting portions 260 at six locations in the horizontal direction, and the variable partition mounting portions 260 at the necessary positions are divided into variable partitions. By attaching the part 256, an optical component holding part having a required size can be formed.

  It is formed between the optical component holding portion formed between the lateral end of the variable optical component holding portion 252 and the nearest variable partition mounting portion 260, or between two adjacent variable partition mounting portions 260. The optical component holding unit is the minimum size optical component holding unit in this example, and the minimum size optical component holding unit is referred to as a unit optical component holding unit in this example.

  In the example of FIG. 11, the variable optical component holding portions 252 in each row are attached to the second and third variable partition attachment portions 260 from the right side of the drawing, and the variable optical component holding portions in each row are attached. 252 is a variable optical component holding unit 252a in a state where two unit optical component holding units are connected in the horizontal direction, a variable optical component holding unit 252b including one unit optical component holding unit, and four unit optical component holding units in the horizontal direction. It is divided into three types of optical component holders, variable optical component holders 252c connected in the direction.

  An optical component suitable for each dimension can be inserted into the variable optical component holders 252a, 252b, and 252c in each row, and ultrasonic cleaning and spin drying can be performed.

  The variable partitioning portion 256 shown in FIG. 11 is formed so that all of the seven rows of variable optical component holding portions 252 can be partitioned by one variable partitioning portion, but the present invention is of course limited to this. For example, you may form as a variable partition part of the length which can partition only one row of variable optical component holding parts 252. By doing in this way, the optical component holding | maintenance part whose horizontal direction dimension is arbitrary integer multiples of the unit optical component holding | maintenance part can be arbitrarily formed in each row | line | column. In addition, a variable partition portion formed so that a plurality of rows of variable optical component holding portions 252 can be partitioned by one variable partition portion is formed, and using this, or a plurality of types of variable partition portions are appropriately combined. In this manner, an optical component holding part having a required size can be formed in the same manner as described above. An optical component holding component having such a variable optical component holding portion can perform efficient cleaning and drying of various types of optical components, and the same optical component holding component can be used for many optical components of the same type. It can also be used for washing and drying in mass production.

  In FIG. 11, the vertical direction of the drawing, that is, the direction in which each of the seven rows of variable optical component holding portions 252 is formed is the vertical direction of each variable optical component holding portion, and the horizontal direction of the drawing, ie, each variable optical component holding portion. The direction in which the movable part can be moved is referred to as the vertical direction of each variable optical component holding part, and each optical component mounting part has a plurality of through holes having openings parallel to the vertical direction of the variable optical part holding part. An island is formed between the hole and the hole. The island portion is positioned below the island portions 254a to 254d forming the optical component placement portion of each unit optical component holding portion and the variable partition portion between each unit optical component holding portion. There are two types of island portions 254e, and the island portions 254a to 254d and 254e are formed in parallel to each other. When the variable partitioning portion is mounted between the unit optical component holding portions, the island portion 254e is used, for example, when two optical component holding components having the same shape and size are used as in the above example. The part of the island part 254e on the back side of the substrate is formed so as not to collide with the surface 256c of the variable partition part.

  With respect to appropriate dimensions and operational effects of the island portions 254a to 254d, what is described in the other examples is applicable.

  The through holes 255a to 255e of the optical component placement unit are elongated through holes having a rectangular opening.

  The through-holes 255a to 255e of the optical component mounting portion are formed as peripheral edges (for example, sides indicated by reference numerals 252f and 252g in FIG. 11) of the optical component mounting portion of the rectangular optical component holding portion as shown in the figure. ) Between the one peripheral portion (end portion) and the other peripheral portion. The through-hole 255a and the through-hole 255e are opposite to the opposite peripheral portions of the optical component placement portion indicated by reference numerals 252f and 252g (for example, the variable partition portion mounting portion 260 and the variable partition portion). When the 256 is attached, it is formed so that one of the elongated sides of the elongated opening is in contact with a peripheral edge parallel to the variable partition portion 256. In this case, in practice, a part of the through hole 255a may be formed so as to enter under the variable partition portion. However, as is apparent from the technical idea of the present invention, the through hole in that case is formed in the present invention. The hole 255a is defined as a through-hole 255a up to the point where it comes into contact with the variable partition when viewed from above, and the portion of the through-hole that enters under the variable partition is another through-hole integrated with the through-hole 255a. We will define

  With regard to the appropriate shape and size of the through hole of the optical component mounting portion and the function and effect thereof, what has been described in the other examples is applicable.

  These characteristics of the through-hole of the optical component mounting portion give extremely good results for the cleaning / drying effect.

  Next, the variable partition portion 256 will be described. In some cases, it is appropriate that the variable partition portion is a variable partition plate. However, including the above description, the partition plate constituting the variable partition portion may also be referred to as a variable partition portion.

  As shown in FIG. 12, the variable partition portion 256 is configured by a plate provided with a hemispherical engagement convex portion 256b at the position of the mounting portion of the flat partition plate 256a. The lower surface 256d is formed in the same shape as the optical component placement portion. And when the variable partition part 256 is attached to the variable partition part attachment part 260, a large gap is formed under the lower surface 256d of the variable partition part 256, and the optical component that is the object to be cleaned / dried does not face from there. Thus, each dimension is determined.

  The shape of the lower surface 256 d of the variable partition portion 256 shown in FIG. 12 below the position of the hemispherical engagement convex portion 256 b is formed flat according to the shape of the variable partition portion mounting portion 260.

  The engaging projections 256b of the variable partitioning portion 256 are formed at equal intervals on both side surfaces of the flat partition plate 256a, and the dimensions between the apexes of the engaging projections 256b on both sides in FIG. It is formed slightly larger than the width of the variable partition mounting part 260.

  A particularly preferable dimension between the vertices of the engaging protrusions 256b on both sides is a dimension that is 0.01 to 0.1 mm larger than the width of the variable partition mounting part 260 to which the engaging convex parts 256b are mounted. If formed in this way, even with a variable partitioning portion having a plurality of pairs of engaging projections, such as the variable partitioning portion 256, the attachment / detachment starvation is low and the reliability is high.

  FIG. 13 is a partially enlarged view of the optical component holding component in a state in which the variable partition portion 256 is attached to the variable partition portion attachment portion 260. The through holes and the island portions are alternately formed in parallel with each other. Are formed in parallel to each through hole and each island. The surfaces of the variable partition portion 256 and the variable partition portion mounting portion 260 and the surface of the substrate 251 facing the variable partition portion 256 have the same shape.

  FIG. 14 is a partially enlarged view of the optical component holding component in a state where the variable partition portion 256 is not attached to the variable partition portion attachment portion 260, and each through hole and each island portion are alternately formed in parallel with each other.

  The engaging projection 261 and the hole 262 on the front side 251a of the substrate can be used in the same manner as in the other examples, and the same applies to the spacer projection 263.

  Further, the method of creating a gap formed between the optical component holding components when using a plurality of the optical component holding components of the present invention is not limited to the use of the spacer projection, and for example, the engagement projection portion 261 is used. The structure of the outer peripheral portion is a two-stage structure with different diameters, the longer one having the smaller diameter engages with the hole 262, and the larger diameter formed at the root at the predetermined height is the hole. Various methods can be used such as determining the gap between the optical component holding components without entering 262.

  FIG. 15 is a diagram for explaining another example of the engaging convex portion of the variable partition portion, and is a plan view seen from above the substrate surface of the optical component holding component on which the partition plate of the variable partition portion is mounted.

  In FIG. 15, reference numeral 266 is a variable partition portion, 267 is a flat partition plate, and 268 and 269 are engaging convex portions for attaching the variable partition portion to the variable partition portion mounting portion. Engagement convex portions 268 and 269 are formed by splitting a hemisphere attached to the top and bottom of a cylinder into two vertically divided with both hemispheres up and down, and at equal intervals near both ends of the partition plate 267. A total of 11 pairs are formed. This variable partitioning portion 266 is for an optical component holding component having 10 rows of variable optical component holding portions in the vertical direction of the substrate surface of the optical component holding component, as can be easily determined from this figure.

  It is important that the shape of the engaging projection of the variable partitioning portion is easy to attach and difficult to come off unintentionally, and a shape such as a spherical shape, a cylindrical shape, or an elliptical shape is suitable for the conditions.

  Using the optical component holding component described with reference to FIGS. 11 to 14, when optical components having various shapes as shown in FIGS. 16 to 20 were subjected to ultrasonic cleaning and spin drying at a number of times, Without relying on hand-wiping work as before, we obtained very good cleaning and drying results at the mass production level without any spots. Such cleaning / drying of optical components has heretofore been dependent on hand-wiping operations, and is particularly difficult when the optical components are small.

  16 to 20 are diagrams showing examples of shapes of optical components that can be subjected to ultrasonic cleaning and spin drying using the optical component holding component of the present invention, and reference numerals 265a to 265e are optical components.

  The optical component holding component of the present invention can be transported and carried by, for example, performing dustproof packaging as it is after cleaning and drying and wrapping with a suitable vibration isolator after the above-described characteristics.

  One of the major features of the technical idea of the present invention is that three or more elongated through holes are provided in the optical component mounting portion of the optical component holding component, and the two through holes are opposed to the optical component mounting portion. In order to hold the optical component as the object to be cleaned / dried, the optical component is placed on the optical component mounting part so as to be movable within an appropriate range, and subjected to ultrasonic cleaning / spin drying. By the way. And various further improvements are added to it, and it is in the place which brought about the above big effects.

  The embodiment of the present invention has been described above with reference to the drawings. However, the present invention is not limited to this, and many variations are possible.

  As described above, according to the present invention, spin drying of a small optical component after cleaning, which could not be dried without using a hand wiping process, is performed in a large amount at once without making the hand wiping process inevitable. It became possible to dry with high quality in a short time. The present invention makes it possible to perform cleaning and drying of an optical component as a single process by holding the same jig for cleaning and drying.

  As described above, the present invention is not limited to the optical communication field, and exhibits great effects in a wide range of industries such as the camera industry, the mobile phone industry, and the eyeglass industry.

It is a top view of the front side of the optical component holding component as an embodiment of the present invention. It is a top view of the back side of the optical component holding component as an embodiment of the present invention. It is sectional drawing of the optical component holding component as an example of embodiment of this invention. It is a top view of the optical component holding | maintenance part of the optical component holding component as an embodiment of this invention. It is sectional drawing of the engagement hole vicinity of the optical component holding component as an embodiment of this invention. It is sectional drawing of the engagement protrusion part vicinity of the optical component holding component as an example of embodiment of this invention. It is sectional drawing explaining the case where two or more optical component holding components are used as an example of embodiment of this invention. It is sectional drawing explaining the case where two or more optical component holding components are used as an example of embodiment of this invention. It is sectional drawing explaining the case where two or more optical component holding components are used as an example of embodiment of this invention. It is sectional drawing explaining the case where two or more optical component holding components are used as an example of embodiment of this invention. It is a top view explaining the optical component holding component as an example of an embodiment of the invention. It is a figure explaining the optical component holding | maintenance component as an embodiment of this invention, and is a side view explaining the engagement convex part of a variable partition part. It is the elements on larger scale of the optical component holding | maintenance component as an example of embodiment of this invention, and is a top view of the state which attached the variable partition part to the variable partition part attachment part. It is the elements on larger scale of the optical component holding | maintenance component as an example of embodiment of this invention, and is a top view of the state which has not attached the variable partition part to the variable partition part attachment part. It is a top view of the variable partition part of the optical component holding component as an embodiment of the present invention. It is a perspective view which shows the example of the shape of the optical component as a to-be-cleaned and dried material. It is a perspective view which shows the example of the shape of the optical component as a to-be-cleaned and dried material. It is a perspective view which shows the example of the shape of the optical component as a to-be-cleaned and dried material. It is a perspective view which shows the example of the shape of the optical component as a to-be-cleaned and dried material. It is a perspective view which shows the example of the shape of the optical component as a to-be-cleaned and dried material. It is the perspective view which showed the principal part of the conventional spin dryer as a model. It is a figure explaining the holding | maintenance method by 3 point | piece support of a workpiece | work. It is a figure for demonstrating the example of an optical component support component, and is a perspective view of one optical component support component. It is the figure which looked at the optical component support component of FIG. 23 diagonally from the cross section cut in the position of the straight line Y1-Y2. It is a figure for demonstrating the state holding the workpiece | work with three optical component support components of FIG. It is a figure for demonstrating the example of an optical component support component, and is a perspective view of one optical component support component. It is a figure explaining the state holding the workpiece | work with three optical component support components of FIG. It is a figure for demonstrating the contact state of a workpiece | work and support components. It is a perspective view of the conventional optical component holding component for washing and drying. It is sectional drawing for demonstrating the conventional spin dryer. It is typical sectional drawing explaining the conventional spin drying method. It is a figure explaining the manual wiping operation | work of the residual cleaning liquid in the washing | cleaning and drying method of the conventional optical component. It is a figure explaining the manual wiping operation | work of the residual cleaning liquid in the washing | cleaning and drying method of the conventional optical component. It is a figure explaining a cradle. In the figure, (A) is a view of the cradle viewed from above, (B) is a view of the cradle viewed from the front, and (C) is a view of the cradle viewed from the right side.

Explanation of symbols

200, 200a, 200b, 220, 250, 1014, 1015, 1355: Optical component holding component 1332-1334, 1340, 1350: Optical component support component (optical component support rod)
201, 251: Substrate 1356: Optical component insertion portion 215, 215a to 215e, 255, 255a to 255e, 1356b: Through hole 265a to 265e, 400, 1047, 1331: Workpiece (optical component)
1048: Lid 204, 208, 209, 262, 1048a: Holes 1041 to 1045: Cleaning liquid 201a, 251a: Front side of substrate 201b, 251b: Back side of substrate 202: Optical component holding unit 203: Optical component holding unit is formed. Grooves 205, 261: Engaging protrusions 206, 263: Spacer protrusions 212: Optical component placement part 212b: Outer peripheral part (peripheral part) of the optical component placement part
212c, 212d: End portions of the outer peripheral portion of the optical component placement portion facing each other 213: Back side portions of the optical component holding portion 214, 214a to 214d, 254, 254a to 254d: Island portion 215a1 of the optical component placement portion , 215e1: One of the long and narrow sides of the through hole 252, 252a, 252b, 252c: Variable optical component holding part 254e: Island part 256, 266: Variable partition part 256a, 267 formed at the bottom of the variable partition mounting part : Partition plates 256b, 268, 269 constituting the variable partition portion: Engaging convex portions 256c provided on the variable partition portion 256c: Upper surface of the partition plate constituting the variable partition portion 256d: Lower surface of the partition plate constituting the variable partition portion 260: Variable partition mounting part 501: Cotton swab 502, 503: End 504, 1316, 1046, 1049: Arrow 510: Hand wrap 511: Organic solvent 512: Plate part 513: Tweezers 514: Tube 800, 1016, 1017: Cradle 830: Handle part 1010, 1303: Rotating body 1011: Rotating shaft 1012a, 1012b, 1013a, 1013b: Fixing screw 1020: Upper frame 1018 , 1019: Connecting pin 1018a, 1019a, 1310-1313: Holder 1018b, 1019b: Groove 1021-1024, 1315: Support rod 1301: Spin drying device 1370: Rotating plate 1310c, 1311c, 1312c, 1313c: Side wall 1310a, 1310b, 1311a , 1311b, 1312a, 1312b, 1313a, 1313b: Cradle installation grooves 1332-1334, 1340, 1350: Optical component support components 1356a: Optical component mounting frame

Claims (55)

  In an optical component holding component that can be used for at least one of cleaning of an optical component and spin drying of the cleaned optical component, the optical component holding component places and holds an object to be cleaned or an optical component as an object to be dried. A plurality of optical component holders, and the plurality of optical component holders have optical component placement portions on which optical components held therein can be placed, Each of the optical component mounting portions has a partition portion that is distinguishable from other optical component holding portions that are adjacent to each other, and the optical component mounting portion has a front side, that is, the optical component mounting side. At least three through holes formed so as to penetrate to the side opposite to the side on which the optical component is placed (hereinafter also referred to as the back side of the optical component holding component) are formed, and at least three of the through holes are Above The opening of each through hole has an elongated shape in the school part mounting portion, and two of the at least three through holes in which the opening has an elongated shape are the openings of the through hole. More than half of one side of the elongated part of the optical component is formed so as to be in contact with any one of the opposite ends of the optical component mounting portion while allowing an error within 0.5 mm. Optical component holding parts.   2. The optical component holding component according to claim 1, wherein at least half of one side of the elongated portion of the opening of the through hole is 0.5 mm at either end of the opposite end portions of the optical component mounting portion. The two through holes formed so as to be in contact with each other with an error of within are substantially the whole of one side of the elongated part of the opening of each through hole. Are formed in contact with each other with an error of 0.5 mm or less (hereinafter, more than half of one side of the elongated portion of each through hole is opposed to the optical component mounting portion). A state in which an error within 0.5 mm is allowed in contact with any one of both end portions, or the whole of one side of the elongated side of the opening of each through-hole Of opposite ends of the optical component mounting portion The state in which each of the end portions is formed in contact with each other with an error of 0.5 mm or less is simply indicated by the fact that one side of the elongated portion of the opening of each through-hole is the optical component mounting portion. The optical component holding component is also characterized in that it is formed in contact with either one of the opposite end portions.   The optical component holding component according to claim 1 or 2, wherein the opening of each of the two through holes formed in contact with any one of the opposite ends of the optical component placement portion, One end portion to the other end portion of two end portions facing each other in a direction different from opposite end portions formed by contacting one side of the elongated portion of the opening of the optical component mounting portion An optical component holding part characterized by being formed continuously.   The optical component holding component according to any one of claims 1 to 3, wherein one side of the elongated side of at least one of the optical component mounting portions is one of both opposing end portions of the optical component mounting portion. A majority of the through-holes excluding the through-holes formed in contact with the end portions have elongated openings, and the openings are elongated in the same direction, and the optical component mounting portion The opening is formed continuously from one end to the other end of both ends opposed to each other in a direction different from the opposite ends formed in contact with one side of the elongated side. An optical component holding part.   5. The optical component holding component according to claim 1, wherein an elongated one side of the opening portion of the at least three through holes of the at least one optical component mounting portion is the optical component mounting portion. One through-hole different from the two through-holes formed in contact with the opposite ends of the part is formed in the center of the optical component mounting portion at the elongated direction of the opening of the optical component mounting portion. It is characterized in that it is formed continuously from one end to the other end of both ends facing each other in a direction different from the opposing both ends formed in contact with each other. Optical component holding component.   The optical component holding component according to any one of claims 1 to 5, wherein all the through holes of at least one of the optical component mounting portions have elongated openings, and the openings are in the same direction. One of the end portions facing each other in a direction different from the opposing both end portions formed in contact with the one side of the elongated portion of the opening of the optical component mounting portion. An optical component holding part formed continuously from one end to the other end.   The optical component holding component according to any one of claims 1 to 6, wherein at least two of the through holes of the optical component mounting portion have a center line in the length direction of the opening on the surface of the optical component mounting portion. An optical component holding part characterized by being parallel to each other.   The optical component holding component according to any one of claims 1 to 7, wherein at least three through-holes having elongated openings are formed in parallel with each other in at least one of the optical component mounting portions. An optical component holding part.   9. The optical component holding component according to claim 1, wherein at least a part of the end portion of the partition portion of the optical component holding portion is set to at least a portion of the end portion of the optical component mounting portion. An optical component holding part, wherein the optical part holding part is formed so as to allow an error within 5 mm.   The optical component holding component according to any one of claims 1 to 9, wherein a shape of a portion of the optical component holding portion above the optical component placement portion, that is, a portion on the side where the optical component is inserted is uniform. An optical component holding part characterized by a shape.   The optical component holding component according to claim 1, wherein the optical component holding component is a detail such as a portion where the plurality of optical component holding portions are formed on the front side and the back side of the optical component holding component. An optical component holding part characterized in that at least the main part is generally a parallel plate as a whole, except for the concave-convex shape.   The optical component holding component according to claim 1, wherein at least one of the partition portions of the optical component holding portion is a detachable partition portion.   The optical component holding component according to any one of claims 1 to 12, wherein an edge portion of the through hole of the optical component mounting portion of the optical component holding component is chamfered or formed in a curved shape. Optical component holding parts.   The optical component holding component according to any one of claims 1 to 13, wherein openings on the surface of the optical component mounting portion of all through holes of the optical component holding portion are formed in parallel to each other. Optical component holding component.   The optical component holding component according to any one of claims 1 to 14, wherein one side of the elongated portion of the opening is not a through-hole formed in contact with each opposing end of the optical component placement portion. An optical component holding component, wherein the opening of the through hole on the surface of the optical component mounting portion is an opening having a uniform width except for the vicinity of both ends of the opening.   The optical component holding component according to any one of claims 1 to 15, wherein the through-hole allows an inclination within 5 ° from the surface of the optical component mounting portion to the back side of the optical component holding component and is substantially uniform. An optical component holding part characterized by being a hole.   The optical component holding component according to any one of claims 1 to 16, wherein an edge on the back side of a portion of the optical component holding component where the optical component holding portion is formed is chamfered. Parts holding parts.   The optical component holding component according to any one of claims 1 to 17, wherein edges of all through-hole openings on the back side of the portion where the optical component holding portion of the optical component holding component is formed are chamfered. An optical component holding part characterized by comprising:   The optical component holding component according to any one of claims 1 to 18, wherein two adjacent through-holes in a meat portion constituting a bottom portion of the optical component holding portion serving as the optical component placing portion. The portion between the two, that is, the portion between two adjacent through holes is defined as an island portion, and the width dimension of the island portion of the optical component placement portion in the optical component placement portion is 0.6 to Optical component holding component characterized by being 2 mm.   The optical component holding component according to any one of claims 1 to 19, wherein a distance between a plurality of adjacent optical component holding portions is less than a peripheral portion of the optical component placing portion of the optical component holding portion. An optical component holding part in which a groove (hereinafter also referred to as a connecting groove) shallower than 5 mm is formed.   21. The optical component holding component according to claim 20, wherein the plurality of connecting grooves are formed in parallel in one direction on the surface of the optical component holding component.   The optical component holding component according to any one of claims 1 to 21, wherein a plurality of pin-shaped convex portions and a plurality of concave portions capable of fitting the pin-shaped convex portions into a peripheral portion of a surface of the optical component holding component. (Hereinafter, also referred to as a front surface concave portion), and a concave portion (hereinafter referred to as a pin-shaped convex portion) that can be fitted into the back surface of the optical component holding component where the convex portion is formed. , Also referred to as a back surface recess), and a structure in which a plurality of the optical component holding parts can be coupled by fitting the convex portion on the front surface into the concave portion formed on the back side thereof. Features optical component holding parts.   The optical component holding component according to any one of claims 1 to 22, wherein the shape of the front side peripheral portion of the optical component holding component, that is, the peripheral portion on the side where the optical component holding portion is formed is It has a two-stage shape (hereinafter also referred to as a front-side two-stage shape) having two types of peripheral edges, ie, a different front-side outer peripheral edge and an inner peripheral edge (hereinafter also referred to as a front-side inner peripheral edge). The step shape defines a direction from the front surface to the back surface of the optical component holding component as a low height direction, and the front outer peripheral edge is formed lower in height than the front inner peripheral edge, The convex part and the surface concave part are formed in the front side inner peripheral part, the optical component holding part is formed inside the front side inner peripheral part, and the back side peripheral part of the optical part holding part is different in height. Back side outer edge and inner edge (Hereinafter also referred to as back side inner peripheral edge) has a two-step shape (hereinafter also referred to as back side two-step shape), and the back side two-step shape is such that the back side outer peripheral edge is higher than the back side inner peripheral edge. The back side inner peripheral edge portion is recessed from the back outer peripheral edge portion on the back surface of the optical component holding component, and the optical component holding portion is formed on the inner side of the back inner peripheral edge portion. A through hole is formed, and two different optical component holding components are engaged by engaging the front side inner periphery of one optical component holding component with the back inner periphery of the other optical component holding component. The convex portion formed on the front side inner peripheral edge portion of the one optical component holding component can be fitted and connected to the back surface concave portion formed on the back side inner peripheral edge portion of the other optical component holding component. Optical component holding component, wherein it is in the concrete.   The optical component holding component according to any one of claims 1 to 23, wherein two different optical component holding components are arranged, with one optical component holding component having the front side on which the optical component holding portion is formed on the upper side. The other optical component holding component has the front side on the front side of the one optical component holding component when the two optical component holding components are overlapped with the front side on which the optical component holding portion is formed facing down. An optical component having a structure that can be connected by fitting a convex portion formed on the surface into a concave portion on the surface formed on the front inner peripheral edge of the other optical component holding component Holding parts.   25. The optical component holding component according to claim 24, wherein the two optical component holding components are arranged such that one of the optical component holding components has the front side on which the optical component holding portion is formed facing upward and the other optical component holding component. When the two optical component holding components are overlapped with each other with the front side on which the optical component holding portion is formed facing down, at least a part of the surface of the one optical component holding component and the other optical An optical component holding part characterized in that a gap of 0.1 to 0.5 mm is formed between the surface of the part holding part and the part holding part.   The optical component holding component according to any one of claims 1 to 25, wherein an interval between two adjacent optical component holding portions of the optical component holding component is 0.6 mm or more. parts.   27. The optical component holding component according to any one of claims 23 to 26, wherein the optical component holding component is provided at a front side inner peripheral edge portion of the optical component holding component and at least a half portion of the front side inner peripheral edge portion. An optical component holding part, wherein a through hole reaching the peripheral edge is formed.   28. The optical component holding component according to claim 1, wherein a contour shape of the optical component holding component viewed from above the optical component holding portion is a quadrangle.   29. The optical component holding component according to claim 28, wherein a notch is formed at one corner of the quadrangle of the optical component holding component.   30. The optical component holding component according to claim 1, wherein the optical component holding portion is arranged in a matrix in the vertical and horizontal directions.   31. The optical component holding component according to claim 1, wherein a contour shape of the optical component holding portion as viewed from above the optical component placing portion in at least one of the optical component holding portions is a quadrangle. Optical component holding parts characterized by   32. The optical component holding component according to claim 31, wherein a contour shape of the optical component holding portion as viewed from above the optical component placing portion in at least one of the optical component holding portions is a rectangle. Parts holding parts.   The optical component holding component according to any one of claims 1 to 30, wherein a contour shape of the optical component holding portion viewed from above the optical component placing portion in at least one of the optical component holding portions is circular. Optical component holding parts characterized by   The optical component holding component according to any one of claims 1 to 30, wherein an outline shape of the optical component holding portion viewed from above the optical component placement portion in at least one of the optical component holding portions is elliptical or long. Optical component holding part characterized by being circular.   The optical component holding component according to any one of claims 1 to 30, wherein an outline shape of the optical component holding portion viewed from above the optical component mounting portion in at least one of the optical component holding portions is an elongated hole shape, An optical component holding part having a shape of an elongated hole.   The optical component holding component according to any one of claims 1 to 35, wherein at least one of the optical component holding portions can change the dimension of at least one direction of the optical component holding portion (hereinafter, variable). An optical component holding part formed as an optical part holding part).   37. The optical component holding component according to claim 36, wherein the means for changing the dimension in at least one direction of the variable optical component holding portion is a means by a removable partition portion (hereinafter also referred to as a variable partition portion). Optical component holding parts.   38. The optical component holding component according to claim 36 or 37, wherein the optical component holding component viewed from above the optical component holding portion holds the variable optical component in one direction (hereinafter also referred to as a vertical direction). The parts are partitioned by a fixed partition part (hereinafter also referred to as a fixed partition part) and arranged in a plurality of rows, and the variable optical component holding part is substantially orthogonal to the longitudinal direction of the optical component holding part. An optical component holding part characterized in that the variable partition portion can be moved and arranged in a direction (hereinafter also referred to as a lateral direction).   The optical component holding component according to any one of claims 36 to 38, wherein the optical component holding component viewed from above the optical component holding portion is variable in one direction (hereinafter also referred to as a vertical direction). The optical component holding portions are partitioned by a variable partitioning portion and arranged in a plurality of rows, and the variable optical component holding portions are generally orthogonal to the vertical direction of the optical component holding component (hereinafter also referred to as a horizontal direction). An optical component holding component having a structure in which the variable partition portion can be moved and arranged in the vertical direction, and the variable partition portion can also be moved and arranged in the vertical direction.   The optical component holding component according to any one of claims 37 to 39, wherein the variable partition portion can be attached to the fixed partition portion or a variable partition portion different from the variable partition portion (hereinafter, variable partition portion). An optical component holding part provided with a part mounting part).   41. The optical component holding component according to claim 36, wherein at least two of the through holes are provided in the optical component holding portion in a direction parallel to the variable partition portion. An optical component holding part, wherein the optical part holding part is formed to have an opening from one end to the other end.   The optical component holding component according to any one of claims 36 to 41, wherein at least one of the variable optical component holding portions has a fixed partition portion at both ends in a lateral direction, and between the fixed partition portions. An optical component holding component comprising a plurality of attachment portions to which the variable partition portion can be detachably attached.   The optical component holding component according to any one of claims 36 to 42, wherein the variable optical component holding portions are arranged in a plurality of rows in the vertical direction of the optical component holding component, and at least one in the horizontal direction of each row. An optical component holding component, wherein the variable optical component holding portion is disposed.   44. The optical component holding component according to claim 42 or 43, wherein each of the fixed partition portion or the variable partition portion that partitions the plurality of rows of variable optical component holding portions extends over the plurality of rows of variable optical component holding portions. An optical component holding component, wherein the variable partition mounting portion capable of mounting the variable partition portion capable of partitioning the variable optical component holding portion is provided at a plurality of locations.   45. The optical component holding component according to claim 44, wherein the variable partition portion mounting portions are arranged at equal intervals in the fixed partition portion or the variable partition portion.   The optical component holding component according to any one of claims 40 to 45, wherein a portion of the variable partition portion to be mounted on the variable partition portion mounting portion is a convex portion that can be inserted into the variable partition portion mounting portion ( Hereinafter, an optical component holding component provided with an engagement convex portion).   The optical component holding component according to claim 46, wherein an outer shape of the engaging convex portion is an elongated curved surface.   48. The optical component holding component according to claim 46, wherein an outer shape of the engaging convex portion is a part of a side surface of a cylinder.   The optical component holding component according to claim 46, wherein an outer shape of the engaging convex portion is a part of a spherical surface.   The optical component holding component according to claim 46, wherein an outer shape of the engaging convex portion is a part of a triangular prism.   The optical component holding component according to any one of claims 46 to 50, wherein the variable partition portion mounting portion of the variable partition portion includes all the fixed partition portions on which the variable partition portion can be mounted or An optical component holding part provided at a position intersecting with the variable partition.   52. The optical component holding component according to any one of claims 46 to 51, wherein a thickness dimension of the variable partition portion including the engagement convex portion of the variable partition portion mounting portion to which the engagement convex portion is attached. An optical component holding part characterized by being 0.01 to 0.1 mm larger than the dimension.   The optical component holding component according to any one of claims 37 to 52, wherein a shape of a portion of the variable partitioning portion that abuts on a bottom portion of the optical component holding portion is the same shape as a shape of a bottom portion of the optical component holding portion. An optical component holding part.   The optical component holding component according to any one of claims 1 to 53, wherein the optical component holding component is formed by an integral molding technique of resin. In an optical component holding component that can be used for at least one of cleaning of an optical component and spin drying of the cleaned optical component, the optical component holding component places and holds an object to be cleaned or an optical component as an object to be dried. A plurality of optical component holders, and the plurality of optical component holders have optical component placement portions on which optical components held therein can be placed, Each of the optical component mounting portions has a partition portion that is distinguishable from other optical component holding portions that are adjacent to each other, and the optical component mounting portion has a front side, that is, the optical component mounting side. At least two through holes formed so as to penetrate to the side opposite to the optical component insertion side of the optical component holding part (hereinafter also referred to as the back side of the optical component holding component) are formed. In the optical component placement portion, a part of the opening of each through hole allows an error of 0.5 mm or less at one of the opposing ends of the optical component placement portion. Optical component holding parts characterized by being formed in contact with each other.