CN1667438A - Optical transmission protocol array primary plate and optical transmission protocol array production method - Google Patents
Optical transmission protocol array primary plate and optical transmission protocol array production method Download PDFInfo
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- CN1667438A CN1667438A CN 200510051598 CN200510051598A CN1667438A CN 1667438 A CN1667438 A CN 1667438A CN 200510051598 CN200510051598 CN 200510051598 CN 200510051598 A CN200510051598 A CN 200510051598A CN 1667438 A CN1667438 A CN 1667438A
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Abstract
This invention provides a method for manufacturing an optical transmission body array by which the optical transmission body array which has high array precision while crosstalk is suppressed can be manufactured with good productivity. Disclosed is a method for manufacturing an optical transmission body array original plate having a plurality of optical transmission bodies 6 arranged between two substrates 2 and 4, the method including the stages of: fixing a 1st substrate along an outer peripheral surface of a cylindrical roll 10; winding the optical transmission bodies around a surface of the 1st substrate fixed along the outer peripheral surface of the roll while leaving fixed gaps between adjacent optical transmission bodies; forming a cylindrical optical transmission body array original plate by bonding and fixing a 2nd substrate onto the wound optical transmission bodies; and incising the cylindrical optical transmission body array original plate arranged on the roll along the axis of the roll.
Description
Technical field
The present invention relates to the manufacture method of light transmission part array raw sheet and light transmission array, specifically, relate to transmission lines such as can be used as optically focused rod-shaped lens, imageing sensor, printer, display, between two substrates with certain interval arrange in parallel to each other many light transmission parts, through boning fixing light transmission part array raw sheet and along it being cut into the manufacture method of the light transmission part array of certain-length perpendicular to the direction of optical axis.
Background technology
The light transmission part array of the light transmission part of cylindric (or fibrous) such as arrangement and fixing many cylindrical lens, optical fiber, rod-shaped lens is well-known between two substrates.Used the light transmission part array of cylindrical lens to be used for increasing field angle, used the light transmission part array of optical fiber to be used for illumination, parallel transmission processing in the front of flat-panel screens.And used the light transmission part array of rod-shaped lens to be used as photomechanical optical communication means such as scanner, facsimile recorder, duplicating machine, LED printer.
The manufacturing of such light transmission part array is that the long light transmission part of many length that will be arranged in parallel between two substrates is fixedly made light transmission part array raw sheet with cementing agent, this light transmission part array raw sheet cut-out is become rectangle makes its light transmission part have specified length, again by section is carried out milled processed, thereby obtain a plurality of light transmission part arrays by a light transmission part array raw sheet.
In the manufacturing of aforesaid light transmission array raw sheet, for the light transmission part is fixed between substrate, the method that is adopted has: with the state of long light transmission part of many length that is arranged in parallel between two substrates, filling cementing agent in the gap between two substrates and light transmission part, thus the light transmission part is fixed on method between substrate; And on the surface of a substrate, form groove, and with many light transmission parts of two substrate clampings that have been coated with cementing agent, thus the method for fixed light transmission parts.
In addition, the method of known manufacturing light transmission part array also has: the light transmission part that will be coated with cementing agent is wound on the excircle part of roller, thereby the light transmission part of adjacency is adjacent to mutually, make the cementing agent sclerosis make cylindric light transmission part then, again this cylindric light transmission part is made light transmission part plate along the axis direction incision of roller, then this light transmission part plate is bondd and is fixed on and make light transmission part array raw sheet between two substrates, again this light transmission part array raw sheet is cut into certain width to make light transmission part array (for example, patent documentation 1-Japanese kokai publication hei 08-248246 communique).
Yet in the method for above-mentioned filling stick and use in the manufacture method of substrate of with groove, because treatment process is miscellaneous, it is longer to make the required time, and there is the high problem of manufacturing cost in its result.
In addition, because in the light transmission part array of manufacturing, the light transmission part of adjacency is adjacent to mutually, thereby is easy to occur cross-talk, there is limited and so on the problem of purposes in the manufacture method of patent documentation 1 record.Have again, among light transmission part cylindraceous being removed from roller when changing next procedure over to etc., exist the arrangement of light transmission part to be easy to problem at random.
On the other hand, the manufacturing process of light transmission part array comprises:
Arrange rod-shaped lens and form the operation (alignment process) that rod-shaped lens is listed as;
The rod-shaped lens row are bonded and fixed between two substrates, make the operation (bonding operation) of light transmission part array raw sheet;
Along the direction vertical light transmission part array raw sheet is cut into certain length, form the operation (cut-out operation) of light transmission part array presoma with the optical axis of rod-shaped lens;
The end face perpendicular to the optical axis of rod-shaped lens to light transmission part array presoma carries out mirror process, with the operation (end face treatment process) of making light transmission part array.
In these operations, two kinds of methods are arranged about alignment process is known:
1), the rod-shaped lens of many certain-lengths is arranged in parallel on flat board smooth or trough of belt, it is adjacent to mutually or tool method at regular intervals;
2), fibrous rod-shaped lens is reeled and be arranged in method on the roller cylindraceous etc.
1) method in, with the rod-shaped lens column jump to the 1st substrate that has been coated with cementing agent, be coated with the 2nd substrate of cementing agent again by stickup, thereby made light transmission part array raw sheet (with reference to patent documentation 2-Japanese kokai publication hei 9-90105 communique and patent documentation 3-Japanese kokai publication hei 9-152517 communique).
On the other hand, 2) method in, with be wound on the roller cylindraceous etc. state rod-shaped lens list the coating cementing agent and fixing after, it is tabular to cut off formation along the direction vertical with rod-shaped lens, and two substrates that bond again are to make light transmission part array raw sheet (patent documentation 4-Japanese kokai publication hei 8-106020 communique).
1) method in, the bonding operation in following 2 stages must be arranged, that is:
Shift bar-shaped lens arrays to the 1st substrate;
Paste the 2nd substrate;
2) method in, the bonding operation in following 2 stages also must be arranged, that is:
Rod-shaped lens list the coating cementing agent and fixing after, on the direction vertical, cut off and form tabular with the rod-shaped lens row;
Paste two substrates;
Because the bonding operation is divided into 2 stages, thereby has the problem of inefficiency.
Summary of the invention
The present invention proposes for addressing these problems, and its purpose is to provide a kind of manufacture method that can suppress cross-talk and can arrange the light transmission part array of the high light transmission part array of precision with high throughput rate manufacturing.
The present invention's first scheme provides a kind of manufacture method of light transmission part array raw sheet, this method is the manufacture method of having arranged the light transmission part array raw sheet of many light transmission parts between two substrates, the method is characterized in that, comprise following operation: the fixedly operation of fixing the 1st substrate along the outer circumference surface of roller cylindraceous; And the light transmission part of adjacency between while leaving certain interval the light transmission part is wound up into along the lip-deep coiling operation of the 1st fixing substrate of the outer circumference surface of above-mentioned roller; The 2nd substrate bonding is fixed on the above-mentioned light transmission part of having reeled, thereby makes the operation of light transmission part array raw sheet cylindraceous; The operation that the light transmission part array raw sheet cylindraceous that is arranged on the above-mentioned roller is cut along the axis direction of above-mentioned roller.
Adopt such structure, because the light transmission part is fixed on the substrate on the roller, thereby the arrangement of light transmission part can not occur at random in operation thereafter.In addition, owing to be wound on the substrate between the light transmission part, thereby can suppress cross-talk. with leaving certain intervals
According to other preferred forms of the present invention, before above-mentioned coiling operation, also has the operation of coating cementing agent on the surface of being fixed in above-mentioned the 1st substrate on the above-mentioned roller.
According to other preferred forms of the present invention, before the said fixing operation, also has the operation of coating cementing agent on a surface being fixed in above-mentioned the 1st substrate on the above-mentioned roller.
According to other preferred forms of the present invention, after above-mentioned coiling operation, also has the operation of coating cementing agent on the light transmission part that is wound on the 1st substrate that is fixed on the above-mentioned roller; And in the operation that has been coated with further coiling light transmission part on the light transmission part of cementing agent.
Adopt such structure, can make the light transmission part array raw sheet that several layers of light transmission part lamination form.
According to other preferred forms of the present invention,, use the substrate that on a face, forms many grooves with interval greater than the external diameter of above-mentioned light transmission part as the 1st substrate; The light transmission part is arranged in the groove of above-mentioned the 1st substrate on the outer circumference surface that is fixed in above-mentioned roller on one side, Yi Bian be wound on the surface of above-mentioned the 1st substrate and bonding fixing.
Adopt such structure, because the light transmission part is arranged in the groove of substrate, thereby the arrangement of light transmission part is difficult at randomly, and the light transmission part of adjacency can be arranged at certain intervals reliably.
According to other embodiment of the present invention, the invention provides a kind of manufacture method of between two substrates, having arranged the light transmission part array raw sheet of many light transmission parts, the feature of this method is, comprise following operation: will be arranged at many grooves that circumferencial direction extends in the above-mentioned groove of the roller cylindraceous on the outer circumference surface with certain spacing greater than the external diameter of above-mentioned light transmission part, arrange on one side the light transmission part, on one side above-mentioned light transmission part is wound on the outside surface of above-mentioned roller operation with the coiling body that forms light transmission part cylindraceous; The 1st substrate bonding is fixed on the operation on the surface of above-mentioned coiling body; The 1st substrate that is arranged in the coiling body of the light transmission part on the above-mentioned roller and be bonded and fixed on this coiling body is cut and the operation pulled down from above-mentioned roller along the axis direction of above-mentioned roller; The 2nd substrate bonding is fixed on the coiling body that removes from above-mentioned roller and is bonded and fixed at operation on the 1st substrate on this coiling body.
Adopt such structure, because the light transmission part is arranged in the groove of substrate, thereby the light transmission part of adjacency can be arranged at certain intervals reliably.
According to other preferred forms of the present invention, either party or two sides of above-mentioned the 1st substrate, the 2nd substrate are provided with groove with the spacing identical with the spacing of above-mentioned roller.
The manufacture method of the light transmission part array raw sheet of alternative plan of the present invention is characterized in that, carries out following operation (1)-(4) successively:
(1) framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces is rotated around turning axle, on the lateral circle surface of framework with the operation of the light transmission part of desired spacing coiling continuous length;
(2) substrate that is coated with cementing agent on two single faces is clamped the light transmission part that is wound on the framework and make cementing agent separately become inboard operation;
(3) operation that bonds together from substrate pressurization, with two substrates and light transmission part;
(4) will be bonded in the operation that the light transmission part on the substrate is pulled down from framework.
The manufacture method of the light transmission part array raw sheet of third party's case of the present invention is characterized in that, carries out following operation (1 ')-(6 ') successively:
(1 ') makes the framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces, each face that forms side face can be taken apart rotate around turning axle, on the lateral circle surface of framework with the operation of the light transmission part of desired spacing coiling continuous length;
The light transmission part of the continuous length that (2 ') will reel is fixed on the operation on the framework;
(3 ') cuts off the light transmission part of continuous length on framework, take the operation of framework apart;
(4 ') clamps the substrate that is coated with cementing agent on two single faces and horizontally is pulled in the light transmission part on the framework and makes separately cementing agent become inboard operation;
(5 ') pressurizes from substrate, the operation that two substrates and light transmission part are bonded together;
(6 ') will be bonded in the operation that the light transmission part on the substrate removes from framework.
The manufacture method of the light transmission part array raw sheet of the cubic case of the present invention is characterized in that, carries out following operation (I)-(IV) successively:
(I) will be fixed on each side face of framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces and make cementing agent operation outwardly at the substrate that is coated with cementing agent on the single face;
(II) framework is rotated around turning axle, on the framework lateral circle surface with the operation of the light transmission part of desired spacing coiling continuous length;
(III) on framework, cut off the light transmission part of continuous length, the operation that the substrate of the light transmission part that bondd is removed;
(IV) will overlap on the substrate of the light transmission part that bondd pressurization, the operation that two substrates and light transmission part are bonded together at the substrate that is coated with cementing agent on the single face.
The manufacture method of the light transmission part array raw sheet of the present invention's the 5th scheme is characterized in that, carries out following operation (I ')-(IV ') successively:
(I ') is fixed on substrate the operation on each side face of framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces;
(II ') makes framework rotate around turning axle, be coated with cementing agent, and meanwhile on the framework lateral circle surface with the operation of the light transmission part of desired spacing coiling continuous length;
(III ') cuts off the light transmission part of continuous length on framework, pull down the operation of the substrate of the light transmission part that bondd;
(IV ') overlaps substrate on the substrate of the light transmission part that bondd, pressurization, the operation that two substrates and light transmission part are bonded together.
The manufacture method of light transmission part array provided by the invention, it is characterized in that: after along the direction vertical the resulting light transmission part of any one described method array raw sheet in above-mentioned first to the 5th scheme and the preferred forms being cut into specified length, utilize diamond cutter to cut the length that its end face becomes regulation with the optical axis of light transmission part.
Adopt the present invention, can provide a kind of and can not produce cross-talk, and can arrange the light transmission part array raw sheet of the good light transmission part array of precision and the manufacture method of light transmission part array with the high productivity manufacturing.That is, the manufacture method of light transmission part array raw sheet of the present invention, owing to can finish the bonding operation of two substrates with a stage, thereby compare with the manufacture method in past, can make light transmission part array expeditiously.
That is, adopt the present invention, can produce in a large number with low cost can suppress cross-talk, applicable to the light transmission part array of high-performance machine.Have again, can reduce the at random of arrangement when making light transmission part array raw sheet, can improve the arrangement precision of light transmission part, the light transmission part array of excellent optical performance such as exploring degree can be provided.
Description of drawings
Fig. 1 is a schematic isometric of utilizing the light transmission part array raw sheet of embodiments of the present invention manufacturing.
Fig. 2 is the synoptic diagram of the manufacture method of explanation the 1st embodiment of the present invention.
Fig. 3 is the synoptic diagram of the manufacture method of explanation the 1st embodiment of the present invention.
Fig. 4 is the synoptic diagram of the manufacture method of explanation the 2nd embodiment of the present invention.
Fig. 5 is the synoptic diagram of the manufacture method of explanation the 3rd embodiment of the present invention.
Fig. 6 is the synoptic diagram of manufacture method of the variation of explanation the 1st embodiment of the present invention.
Fig. 7 is the brief configuration figure of the alignment process of manufacture method of the present invention (A method).
Fig. 8 is the sectional view (perpendicular to the cross section of polygon prism framework) of the bonding operation of manufacture method of the present invention (A method).
Fig. 9 is the sectional view (sectional view cuts open in the office perpendicular to the optical axis of rod-shaped lens) of the bonding operation of manufacture method of the present invention.
Symbol description
1 light transmission part array raw sheet, 2 the 1st substrates, 3 frameworks, 4 the 2nd substrates, 6 light transmission parts, 8 cementing agents, 10 rollers,
Embodiment
Below, describe with reference to the manufacture method of accompanying drawing the light transmission part array raw sheet of preferred forms of the present invention.Fig. 1 is a schematic isometric of utilizing the light transmission part array raw sheet 1 of embodiments of the present invention manufacturing.
As shown in Figure 1, the structure that light transmission part array raw sheet 1 has be the light transmission part 6 that length is long cut into and the length of substrate 2,4 about equally length and be arranged in side by side between two substrates 2,4, fixedly form with cementing agent then.This light transmission part array raw sheet 1 cuts into a plurality of light transmission part arrays in the direction vertical with the direction of light transmission part 6 extensions shown in the dotted line of Fig. 1.
In addition, as described later, the present invention also can be applicable to the light transmission part array raw sheet of light transmission number of packages layer being made stromatolithic structure.
At first, the light transmission part is described.
As employed light transmission part, constitute, have cylinder lenses, optical fiber, rod-shaped lens of continuous index distribution formula (graded index formula) or stepped index distribution formula various optical transmission structures such as (ladder refractive index formulas) etc. by transparent materials such as plastics or glass.
Below, be that example describes light transmission part used in the present invention with the rod-shaped lens.
Though rod-shaped lens used in the present invention can use known rod-shaped lens, be not particularly limited, preferably use rod-shaped lens as described below.That is, have cylindrical shape, descend continuously from the refractive index of the outside circumferential section of central shaft, on the cross section perpendicular to central shaft, its index distribution is similar to 2 curve distribution by following formula (1) regulation.
n(L)＝n
0[1-(g
2/2)L
2] (1)
In the formula: n
0, L, g, r and n (L) be expressed as follows respectively:
n
0The refractive index of the central axis of-rod-shaped lens (refractive index of the centre),
L-apart from the distance of rod-shaped lens central shaft (o≤L≤r),
The index distribution constant of g-rod-shaped lens,
The radius of r-rod-shaped lens,
N (L) is the position refractive index of L apart from the distance of rod-shaped lens central shaft.
Though the present invention can use glass, plastic any rod-shaped lens, the viewpoint of the breakage of the rod-shaped lens from rod-shaped lens is wound on the operation on the framework, the security when fractureing is considered, is preferably used plastic rod-shaped lens.
When rod-shaped lens was made with glass, the most handy ion exchange process was made; When using plastic production, the mutual diffusion method of the most handy monomer is made.
Radius to rod-shaped lens among the present invention is not particularly limited.For make in the operation of rod-shaped lens on being wound on framework or roller etc. the breakage that is difficult for taking place rod-shaped lens, fracture, the diameter of lens is preferably thinner, radius is preferably 0.5mm or following.
Among the present invention for rod-shaped lens being wound on the rod-shaped lens that uses continuous length on framework or the roller.The rod-shaped lens of this continuous length can be that many rod-shaped lens are formed by connecting.But, in this case, it should be noted that might there be optical defect the coupling part.
Secondly, substrate is described.
Though substrate used in the present invention can use known substrate, be not particularly limited, consider from the operation of making light transmission part array of light Transmission Part array raw sheet, cutting off the viewpoint of handling with end face easily, preferably use following substrate.
As the preferred various thermoplastic resins of baseplate material, various thermosetting resins etc., especially preferred acrylic resin, ABS resin, polyimide resin, liquid crystal polymer, epoxy resin, phenolics etc.
In addition, preferably contain fiber or paper in the substrate as reinforcing material.
And,, can use parting compound, dyestuff, pigment etc. as adjuvant to substrate.In order not allow unwanted light transmission, preferably contain carbon black or opacifiers such as pigment, dyestuff in the substrate.
The shape of substrate both can be smooth plane, also can be to be the flat board that purpose is provided with the trough of belt of the groove that holds the light transmission part with certain arranged spaced light transmission part.As the groove shape of trough of belt substrate, be preferably U font, V font or concavity etc.
Though adhesive-coated is not particularly limited to the coating shape on the substrate,, also can be coated with abreast with certain interval and the direction of arranging the light transmission part even be applied on whole.In addition, cementing agent preferably is coated with and becomes to have homogeneous thickness.In addition, preferably have essentially identical size, and the face that forms with the light transmission part row that are arranged on the circumferential lateral surface is big or small basic identical from a group substrate of clamping the light transmission part up and down.By making the loss of essentially identical big I minimizing light transmission part.In addition, can prepare 1 group substrate that many groups have been coated with cementing agent,, can raise the efficiency by pasting many group substrates with respect to light transmission part row according to the difference of occasion.
Secondly, cementing agent is described again.
Though cementing agent used in the present invention can use known cementing agent, there is no particular limitation, considers from finish bonding operation this respect with the relatively shorter time, preferably uses following cementing agent.
As enumerating hot-melt adhesive, photo-hardening type cementing agent, thermmohardening type cementing agent etc. with the example of the cementing agent of short time fixed light Transmission Part row.
Hot-melt adhesive since can be in the very short time fixed light Transmission Part row, thereby very good.With the occasion of hot-melt adhesive as cementing agent, when pasting two substrates, and the temperature that when the pressurization bonding, preferably the temperature of cementing agent is remained on regulation.In addition,, can adopt following method, that is: when pressurization, keep cooling off after the set point of temperature, hot-melt adhesive is solidified, thereby make it keep good ordered state with short time fixed light Transmission Part row in order to shorten the bonding necessary time of operation.
In addition, because the coating temperature of the polyurethane series hot-melt adhesive of moisture-curable type, the temperature when pasting are lower, but moisture-curable rises the heat resisting temperature of cementing agent after sclerosis, thereby the occasion of the plastics system of use light transmission part is very good.
When making light transmission part array, include opacifiers such as carbon black and pigment, dyestuff in the cementing agent in order not allow unwanted light transmission, to be preferably in.
Then, framework is described.
The manufacture method of light transmission part array raw sheet of the present invention etc., the framework of use polygon prism shape in alignment process.
This framework is to have turning axle on two bottom surfaces, can pull down the framework of the N prism shape (N 〉=3) of each face that forms side face; The material of this framework and shape, so long as rotate around turning axle, in the operation with the light transmission part of desired spacing coiling continuous length on the lateral circle surface in framework, the light transmission part that framework itself reaches the continuous length of having reeled is got final product by damage, is not particularly limited, but preferably as follows.
Framework is the skeleton shape that is made of the parts of bar-shaped or column of each limit preferably.By adopting such shape, contact with collating unit owing to be wound on the light transmission part row that form on the circumferential lateral surface of framework, thereby there is the space in the adhesive surface on the both sides that are listed as of light transmission part with bigger face, can descend the road operation that bonds effectively.In addition, the limit number of framework and big I suitably determine according to the size of needed light transmission part array raw sheet.As the polygon prism shape, preferably the limit number is the quadrangular, six prisms, eight prisms of even number etc., the four-prism (cube, rectangular parallelepiped) that the length on preferred especially each limit and angle all equate, positive six prisms, positive eight prisms etc.
In the manufacture method of light transmission part array raw sheet of the present invention, owing to being wound on a determining deviation, the light transmission part with continuous length forms light transmission part row on the framework described later, thereby, each light transmission part is preferably in the light transmission part row and is arranged in parallel with a determining deviation, the light transmission part of adjacency is adjacent to mutually, perhaps keeps certain interval to arrange.At this moment, arrange, can on framework, be pre-formed the groove of a determining deviation in order to keep certain interval ground.In addition, the best circumferential lateral surface along framework of light transmission part row forms a plurality of planes.
The shape that light transmission part row on a plurality of planes that such light transmission part row form form is rectangle preferably.By doing rectangularity, thereby can obtain the low light transmission part array of efficient height, transmission loss of light transmission part row.Method as with the light transmission part of a determining deviation coiling continuous length can adopt known method.That is, can enumerate making the framework rotation, light transmission part 1 circle of every coiling continuous length then moves the method for reeling in the determining deviation on its circumferential lateral surface.
Then, 2 row light transmission part arrays are described.
Below, the bonding scheme of common light transmission part row and substrate describes in the manufacture method to light transmission part array raw sheet.
Below, though be that to be example with the situation of light transmission part of making 1 row describe the manufacture method of various light transmission part array raw sheets of the present invention, with regard to any a kind of manufacture method, can both be applicable to the occasion of the light transmission part arrays of making 2 row.Promptly, behind arrangement the 1st row of reeling, then forming the 2nd row makes it be stacked in the 1st to list, because cementing agent can enter into by the gap between the light transmission part between the light transmission part row of the 1st light transmission part row that are listed as and the 2nd row in bonding operation subsequently, thereby the two-layer light transmission part row that can will form on the outer peripheral face of polygon prism framework simultaneously in 1 substrate bonding operation are bondd.
At last, the manufacture method to light transmission part array raw sheet describes.
Several modes of the manufacture method of the light transmission part array raw sheet that utilizes roller at first, are described.
In the manufacture method of embodiments of the present invention, in order to carry out that the light transmission part is wound on roller cylindraceous or to be fixed on operation on the substrate on surface of roller cylindraceous, the plastics system light transmission part that the most handy pliability of light transmission part is good.In addition, owing to the pliability of the little light transmission part of diameter is good, thereby its diameter is preferably 1mm or following.In addition, when using the big light transmission part of diameter,, preferably use the big roller cylindraceous of diameter in order to increase the curved rate radius of the time Transmission Part of reeling.
The manufacture method of the light transmission part array raw sheet of the 1st embodiment of the present invention is, the 1st substrate 2 that has been coated with cementing agent on the surface is fixed with the state of reeling along the outer circumference surface of the roller cylindraceous 10 with metal outside surface cylindraceous, made adhesive-coated towards the outside.(Fig. 2)
The quantity (boosting productivity) of the light transmission part array that obtains is cut off in coiling, increase for ease of substrate 2 from a light transmission array raw sheet, and suppress the warpage of the substrate that removes from roller, preferably adopt the big roller of radius-of-curvature 10, concrete diameter be preferably 200mm or more than.The structure of roller 10 is the centre-driven rotation for utilizing not shown torque motor with the axis of length direction.
Owing to substrate 2 will be reeled and be fixed on the outer circumference surface of roller 10, thereby, except the characteristic of the substrate that is applicable to light transmission part array, preferably have pliability, for example preferably use Berlet phenolics plastic bases such as (phenolics).In addition, when use does not have enough flexual substrates 2, preferably as mentioned above substrate 2 is carried out heat treated etc. and make it have pliability so that it is wound on the roller 10.
In the present embodiment, the shape of substrate 2 is rectangles.In addition, the size of substrate 2 can suitably be selected according to the size of the light transmission part array raw sheet 1 that will make, the size of employed roller 10.The length of substrate 2 length of roller circumferencial direction (when being wound on the roller 10) is the circumference of roller or following preferably.That is, the length of substrate 2 preferably after being wound on substrate 2 on the roller 10, makes 1 group of opposite side (two ends) butt joint or mutual to such length mutually on the outer circumference surface of roller 10 of substrate 2.
Secondly, on the surface of the substrate on the outer circumference surface that is fixed in roller 10 2, with the light transmission part 6 (Fig. 2) of reeling greater than the certain intervals of the diameter of light transmission part 6.Owing to preferably supply with the light transmission part 6 of the length have on the outer circumference surface that is wound on substrate 2 or above length continuously, thereby, preferably directly supply with light transmission part 6, perhaps from being wound with the bobbin supply light transmission part 6 of Len req or above light transmission part 6 with the operation that spins.
Be coated with in advance on the substrate 2 under the situation of cementing agent, the coiling top of light transmission part 6 can be pressed onto on the substrate 2 by the fore-end with light transmission part 6 and be fixed, thus the coiling of beginning light transmission part 6.In addition, under the situation of uncoated cementing agent on the substrate 2, can utilize adhesive tape or folder shape thing that the fore-end of light transmission part 6 is fixed on the substrate 2.
The coiling of light transmission part 6 can make roller 10 rotation on one side by utilizing torque motor, carries out Yi Bian light transmission part 6 is wound on the substrate 2 that is fixed on the roller 10 with the certain intervals greater than the diameter of light transmission part 6 by guiding mechanism 12.
The rolling fin 18 that guiding mechanism 12 has arranged coaxial and is made of one with small diameter portion 14 and major diameter part 16.Rolling fin 18 is rotatably installed in the front end of arm 20.The structure of arm 20 is to utilize not shown linear motor or straight line positioning table (straight Move ス テ one ジ) to move accurately along the length-wise axis X of roller 10.In addition, on the excircle of the small diameter portion 14 of rolling fin 18, form groove with the size shape that can support light transmission part 6.
In the present embodiment, utilizing torque motor etc. to make under the state of roller 10 rotations, as shown in Figure 2, groove support by utilizing small diameter portion 14 is supplied with the light transmission part 6 that comes and to its channeling conduct from bobbin etc., simultaneously, by making whole guiding mechanism 12 move with certain speed and light transmission part 6 is wound on the substrate 2 that is fixed on the roller 10 along the length-wise axis X of roller 10.In addition, at this moment, major diameter part 16 contacts with substrate 2 on being fixed in roller 10.
In addition, in the present embodiment, have structure, the rotating push rolls 22 that can move, to regulate from the feeding direction of the next light transmission part 6 of supplies such as bobbin along the length-wise axis X of roller 10 in the configuration of the upstream of rolling fin 18 side.
At this moment, for the light transmission part of reeling equably, preferably light transmission part 6 is applied certain force of strain.In order to carry out the adjustment of this tension force, can use known governing mechanism of tension such as tensioning guiding (tensioning roller), tensiometer.The tension force of light transmission part 6 when reeling for example under the diameter of light transmission 6 is situation about 300-600 μ m, is preferably about 0.29N～1.96N.If this tension force is too small, then be easy to occur the volume that looses.And if this overtension, then because of the influence of unrelieved stress on the light transmission part, in the warpage that when roller 10 removes, occurs substrate 2 sometimes.
By with certain intervals coiling light transmission part 6 greater than the diameter of light transmission part 6, can and the light transmission part 6 of adjacency between have under the state in gap light transmission part 6 be arranged on the substrate 2.Utilization is coated on light transmission part 6 bondings that cementing agent on the substrate 2 will have been reeled and is fixed on the substrate 2.
In the present embodiment, for light transmission part 6 being wound on the assigned position on the substrate 2, the guiding mechanism that light transmission part 6 is passed through with straight-line motion mechanism, linear motor etc. correctly moves with respect to roller 10.Preferably make the close together of guiding mechanism and roller 10, because it is less to occur light transmission part 6 situations loose, that arrangement is at random like this.
In addition, also guiding mechanism can be fixed, and the mechanism that adopts straight-line motion mechanism, linear motor etc. that roller 10 is moved.
After being wound on light transmission part 6 on the substrate 2, again with adhesive-coated on the light transmission part 6 of having been reeled, having bondd and having fixed, as shown in Figure 3, reel thereon another the 2nd substrate 4 and bonding are fixing again, thereby obtain making light transmission part array raw sheet 1 cylindraceous along roller 10.The 2nd substrate 4 preferably has identical size shape with the 1st substrate 2, and it is bonded and fixed on the fixing light transmission part 6 that bonds on the 1st substrate 2, and it is overlapped with the 1st substrate 2.
As the cementing agent that is coated on the light transmission part 6, preferably be filled to the cementing agent that also can be coated with into the such low-viscosity (mobile) liquid shape of film like in the gap between the light transmission part 6 easily, its performance state should not cause damage to the material of substrate 2,4 and light transmission part 6 in addition.
In addition, in order to prevent the cross-talk between the light transmission part 6, the most handy black or the dark cementing agent that comes near to black.In order to make stick have enough shading performances, preferably use the material that in known cementing agent, contains light screening materials such as carbon black.In addition, in order to improve heat resistance, preferably use thermoplastic adhesive, the especially hot-melt adhesive that has the non-crosslinked structure after the sclerosis.For example, can enumerate the hot-melt adhesive メ Le ト ロ Application series of ダ イ ヤ ボ Application De industry society system, the hot-melt adhesive ア ロ Application メ Le ト series of East Asia synthetic chemistry society system, the hot-melt adhesive エ ス ダ イ Application series of ponding chemical industry society system etc.
Then, cut light transmission part array raw sheet 1 cylindraceous along the turning axle direction of roller 10.The best disconnected part along the end that is wound onto the substrate 2,4 on the roller 10 of this incision is carried out.In the present embodiment, then be on the outer circumference surface of one group of opposite side relative on the circumferencial direction of substrate 2, to cut along mutual closely opposed part at roller.
After the incision,, light transmission part array raw sheet cylindraceous obtains plane light transmission part array raw sheet by being pulled down from roller.And then light transmission part array raw sheet 1 can improve its adaptation by carrying out pressure processing as required.
Adopt this sample manufacture method,, can prevent that the arrangement of light transmission part 6 after pulling down from roller 10 is at random, can improve it and arrange precision by on roller 10, using the both sides of substrate 2,4 fixed light Transmission Parts.
Though above-mentioned embodiment is one deck light transmission part of having reeled on the substrate that is fixed on the roller, also can multilayer-wound light transmission part.In this case, be located on the 1st layer of gap between the light transmission part being coated with on the ground floor light transmission part of cementing agent the two-layer light transmission part of reeling, thus the two-layer light transmission part layer of lamination ground formation.Below, repeat the light transmission part layer that same operation just can obtain the required number of plies.
And then bonding and fix the 2nd substrate on the laminated body of the light transmission part that is arranged in the regulation number of plies is made light transmission part array raw sheet cylindraceous, then it is cut, and makes plane light transmission part array raw sheet.The light transmission part array raw sheet that makes like this can improve its driving fit performance by carrying out pressure processing as required.
Secondly, the manufacture method to the light transmission part array raw sheet of the present invention's the 2nd embodiment describes.The dissimilarity of the manufacture method of the 2nd embodiment and the 1st embodiment is to use the substrate that has formed groove from the teeth outwards.Below, be that the center describes the 2nd embodiment only with this difference.
As shown in Figure 4, in the 2nd embodiment, on a surface of the 1st substrate 24, form many grooves 26 with certain intervals greater than the external diameter of light transmission part 6.The method that groove 26 is set on substrate 24 can be according to all conditions such as the size of substrate, material, characteristic, throughput rate, suitably select from known technologies such as duplicating of cutting, letterpress, intaglio printing, offset printing, photoetching, extrusion modling, groove shape.
In the 2nd embodiment, at first, on the surface of the groove 26 that has formed such substrate 24, be coated with cementing agent, subsequently,, make that the surface that has formed groove 26 is outside, and groove 26 extend along circumferencial direction along the outer circumference surface fixing base 24 of roller 10.
Then, supply with light transmission part 6 continuously, and it is wound on the substrate 24 that is fixed on the roller 10.At this moment, light transmission part 6 is arranged in the groove 26 of substrate 24.In this case, use the guiding mechanism identical with the 1st embodiment, rotation along with roller 10, make light transmission part 6 be arranged at the amount of separation of the groove 26 on the substrate 24 relatively moving on the roller 10, thereby light transmission part 6 is wound on the substrate 24 that is fixed on the roller 10 along these grooves 26.It is same with the 1st embodiment that the coiling of light transmission part 6 finishes the back, is coated with cementing agent on the light transmission part 6 of having reeled, and reel thereon another piece the 2nd substrate and bonding are fixing again.
In the present embodiment, the 2nd substrate also similarly forms groove from the teeth outwards with the 1st substrate 24, and the 2nd substrate that bonds then is contained in these grooves the fixing light transmission part 6 that bonds on the 1st substrate 24.But,, use the substrate that does not form groove also passable as the 2nd substrate.
Adopt such structure, because substrate 24 is provided with groove 26, thereby these grooves 26 have the effect of the arrangement of guiding and control light transmission part 6, can reduce light transmission part 6 and the at random of arrangement occur after incision.
Even in the manufacture method of the 2nd embodiment, also can be the same with the 1st embodiment, adopt multilayer-wound light transmission part on the 1st substrate of trough of belt, the structure of the 2nd substrate that bonds again thereon.
Below, the manufacture method of the light transmission part array raw sheet of the present invention's the 3rd embodiment is described.The dissimilarity of the manufacture method of the 3rd embodiment and the 1st and the 2nd embodiment is to form groove on the outside surface of roller, again on direct coiling light transmission part this point on this roller.
As shown in Figure 5, on the outer circumference surface of the used roller 28 of the manufacture method of the 3rd embodiment, form many grooves 30 that extend at circumferencial direction with certain spacing.The interval of groove 30 is arranged to bigger than the diameter of the light transmission part 6 of being reeled.
In the manufacture method of present embodiment, at first, continuously light transmission part 6 is supplied in the groove 30 of outer circumference surface of this roller 28, and light transmission part 6 is wound on the roller 28.At this moment, similarly use guiding mechanism with the 1st embodiment, along with the rotation of roller 28, make light transmission part 6 in the amount of separation of on roller 28 set groove 30 that relatively moves on the roller 28, thereby light transmission part 6 is wound on the roller 28 along these grooves 30.Subsequently, at light transmission part 6 (on the rotary body) the coating cementing agent of having reeled, reel bonding thereon by will on single face, forming fluted the 1st substrate, thereby light transmission part 6 is shifted on this substrate.
The groove of the 1st substrate has identical spacing with groove 30 set on roller 28.Therefore, 6 of the light transmission parts that is transferred are embedded in the groove of substrate.
Adopt such structure, after removing, also can control light transmission part 6, thereby can further reduce the at random of arrangement by the groove of substrate from roller 28.
Then, cut along the axis direction of roller 28 and to be substrate cylindraceous and light transmission part 6, pull down from roller 28.And then, on light transmission part 6, being coated with cementing agent, bonding forms fluted the 2nd substrate from the teeth outwards, makes to form fluted and contact with light transmission part 6 and make light transmission part array raw sheet.
In such embodiment, when light transmission part 6 was arranged, the groove of roller formed restriction to it, can reduce at random after the arrangement.In addition, owing to can use same roller to arrange many times, thereby can obtain the arrangement of the light transmission part that repeatability is good, precision is high.
The present invention is not limited to above-mentioned embodiment, in the protection domain of claims of the application all changes or modification can be arranged.
For example, in above-mentioned the 1st embodiment, though its structure is to make to have the guiding mechanism 12 that forms fluted small diameter portion 14 and move along the axis of the length direction of roller 10, thereby light transmission part 6 is wound on the roller 10, but adopt the following structure light transmission part of also reeling accurately, that is: the deflector roll cylindraceous 32 that will form spiral helicine groove with certain pitch is installed on the cramp bar 34 that the length-wise axis with roller 10 be arranged in parallel movably, and deflector roll 32 axis along its length that light transmission part 6 is bearing in the groove moves (Fig. 6).Adopt this structure,, then when reeling, can make the two ends and the substrate contacts that is fixed on the roller of groove by doing the degree of depth of groove bigger than the diameter of light transmission part, can be with the light transmission part of reeling more accurately.
Secondly, the several method of the manufacture method of the light transmission part array raw sheet that utilizes framework is described.
(1) A method:
In the A method, carry out following operation (1)-(4) successively.
(1), the framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces is rotated, with the operation of desired spacing light transmission part of coiling continuous length on the lateral circle surface of framework around turning axle;
(2), the substrate that is coated with cementing agent on two single faces is clamped the light transmission part of having reeled on framework and make cementing agent separately become inboard operation;
(3), the bonding operation that is listed as from substrate pressurization, two substrates of bonding and light transmission part;
(4), the operation pulled down from framework of the light transmission part that will on substrate, be bondd.
At first, in operation (1), the framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces is rotated, around turning axle with the light transmission part (Fig. 7) of desired spacing coiling continuous length on the lateral circle surface of framework.In the example of Fig. 7, N=4, not shown turning axle.
At this moment, by the light transmission part of the two-layer or above continuous length of reeling, can obtain the light transmission part and classify two-layer or above light transmission part array raw sheet as.
Then, in operation (2), the substrate that is coated with cementing agent on two single faces is clamped the light transmission part of having reeled and make cementing agent separately become inboard (Fig. 8 and Fig. 9) on framework.
Then, in operation (3), pressurize from substrate, two substrates and light transmission part bond.At this moment, bonding condition (pressurization, heating etc.) can be selected arbitrarily according to employed cementing agent kind, needed time of bonding etc.
In the A method, the reel limit of light transmission part of being used to that the light transmission part of being reeled on framework is listed as with respect to framework is not the right angle, and the θ that tilted (=p/K) angle.If increase this angle, because the performance of resulting light transmission part array presents and can not uncared-forly reduce, thereby, adopt the A method, cutting off light transmission part array raw sheet when making light transmission part array, raw sheet is cut at the above-mentioned θ angle that importantly will tilt.
Wherein, the girth of K-framework
Spacing during the light transmission part of p-coiling continuous length
(2) B method:
In the B method, carry out following each operation (1 ')-(6 ') successively.
(1 ') makes the framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces, each face that forms side face can be taken apart rotate around turning axle, on the lateral circle surface of framework with the operation of the light transmission part of desired spacing coiling continuous length;
The light transmission part of the continuous length that (2 ') will reel is fixed on the operation on the framework;
(3 ') cuts off the light transmission part of continuous length on framework, take the operation of framework apart;
(4 ') clamps the substrate that is coated with cementing agent on two single faces and horizontally is pulled in the light transmission part on the framework and makes separately cementing agent become inboard operation;
(5 ') pressurizes from substrate, the operation of bond two substrates and light transmission part;
(6 ') will be bonded in the operation that the light transmission part on the substrate removes from framework.
In (1 ') of B method, also identical with the A method, the framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces, each face that forms side face can be taken apart is rotated around turning axle, on the lateral circle surface of framework with the light transmission part of desired spacing coiling continuous length.
In (2 ') of B method, the light transmission part of the continuous length of having reeled is fixed on the framework.At this moment, the light transmission part is fixed on the framework can carries out with the following method.
1) on framework, is coated with cementing agent in advance, the light transmission part is bonded in method on the framework;
2) on framework, after the coiling light transmission part, on framework, be coated with cementing agent, the light transmission part is bonded in the first-class method of framework;
3) winding spacing with the light transmission part sets in advance the elastic body of cutting otch on framework, to clamp the method for the light transmission part that is wound in this otch.
Subsequently, in the B method, on framework, cut off the light transmission part of continuous length and take framework (3 ') apart.Like this, can obtain the horizontal light transmission part row that are pulled on each framework of taking apart.
At this moment, the directional angle during preferably to cut-out is revised, to eliminate the inclination angle [theta] of above-mentioned light transmission part.
Resulting light transmission part row utilize the substrate that is coated with cementing agent on two single faces to give clamping (4 '), pull down (5 ') from framework after, pressurize from substrate, two substrates and light transmission part row are bonded together (6 ').
(3) C method:
In the C method, carry out following operation (I)-(IV) successively.
(I) substrate that is coated with cementing agent on the single face is fixed on each side face of framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces and makes cementing agent outwardly;
(II) framework is rotated around turning axle, on the lateral circle surface of framework with the operation of the light transmission part of desired spacing coiling continuous length;
(III) on framework, cut off the light transmission part of continuous length, the operation that the substrate of the light transmission part that bondd is pulled down;
(IV) will overlap on the substrate of the light transmission part that bondd at the substrate that is coated with cementing agent on the single face, and pressurize, two substrates and light transmission part are listed as the operation that bonds.
The C method is improving one's methods of A method, and employing will be fixed on each side face of framework and makes cementing agent towards external replacement framework at the substrate that is coated with cementing agent on the single face.Like this, can carry out the operation of putting into framework inside easily as the substrate miscellaneous operation in the A method, that will be coated with cementing agent.
(4) D method:
In the D method, carry out following operation (I ')-(IV ') successively
(I ') is fixed on substrate the operation on each side face of framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces;
(II ') makes framework rotate around turning axle, be coated with cementing agent, and meanwhile on the lateral circle surface of framework with the operation of the light transmission part of desired spacing coiling continuous length;
(III ') cuts off the light transmission part of continuous length on framework, the operation that the substrate of the light transmission part that bondd is pulled down;
(IV ') overlaps substrate on the substrate of the light transmission part that bondd, pressurization, the operation that two substrates and light transmission part are bonded together.
The D method is improving one's methods of A method, and employing will replace framework on the substrate that is coated with cementing agent on the single face is fixed on each side face of framework; The light transmission part that has been coated with the continuous length of cementing agent by coiling replaces the light transmission part of continuous length, thereby, can carry out the operation of putting into framework inside easily as the substrate miscellaneous operation in the A method, that will be coated with cementing agent.
Below, the manufacture method of light transmission part array is described.
The light transmission part array raw sheet that is made into like this is after making the cementing agent sclerosis, can cut off light transmission part row by near the boundary member between the arrangement plane of light transmission part, pressing certain-length, be a plurality of light transmission part array raw sheets thereby be separable into along the direction vertical with the optical axis of light transmission part.
Subsequently, in cutting off operation, cut off light transmission part array raw sheet along the direction vertical by certain-length and then form light transmission part array presoma with the optical axis of light transmission part.Method as cutting off can adopt known any method, for example, can adopt the various methods such as method of utilizing rotating knife to cut off.
The light transmission part array presoma that obtains like this in the end face treatment process, the end face vertical with the optical axis of light transmission part carried out mirror process after, then can make light transmission part array.As the method for end face being carried out mirror process, the preferred use by cutting the method that forms minute surface with diamond cutter or forming the method for minute surface and the whole bag of tricks such as method that are replicated in the resin coating that forms on the minute surface by optical grinding.The light transmission part is under the plastics situation about making, and especially preferably uses diamond cutter to cut to form the method for minute surface.
The manufacture method of light transmission part array of the present invention, owing to can finish the operation of two substrates of bonding with a stage, thereby, compare with the manufacture method in past and can make light transmission part array expeditiously.
Embodiment
Below, embodiments of the invention are described.At first, the embodiment that makes the manufacture method of light transmission part array raw sheet of roller is described.
Embodiment 1
Using diameter as the light transmission part is the plastic index distribution formula light transmission part of 600 μ m, to make light transmission part array raw sheet.As substrate use Berlet phenolics plate (659 * 227 * 0.3mm), used as cementing agent that adding 2 quality % carbon blacks carry out mixing cementing agent in メ Le ト ロ Application B-350 (ダ イ ヤ ボ Application De industry society system).
At first, will make on its outside surface that is absorbed and fixed at roller cylindraceous (diameter is 210mm) by the negative pressure suction at the 1st substrate that has been coated with cementing agent on the surface., make roller rotation thereafter, tension force controlled it is reached about 0.29N～1.96N on one side, use guiding mechanism as shown in Figure 2 on one side, the light transmission part is wound on the roller, make that the spacing between the light transmission part of adjacency is 605 μ m.
Having formed the width that the light transmission part is wound on the roller is the coiling body of one deck of 227mm.Then, the 2nd substrate bonding is fixed on the coiling body., bonding fixed the coiling body of substrate axis direction incision along roller, made light transmission part array raw sheet thereafter.
With this light transmission part array raw sheet along and the direction of the axis normal of light transmission part cut off, the axial length that makes the light transmission part is 4.2cm, with after both ends of the surface just make light transmission part array after grinding.
Make this light transmission part array 20 times, measured its exploring degree MTF (modulation transferfunction).Measurement result is: the mean value of MTF is 65%, and MTF.C.V is 3%.In addition, MTFC.V is the parameter of the index (mean value of standard deviation/MTF of MTF) of the fluctuation of expression MTF.
Employed light transmission part, cementing agent are identical with embodiment 1 respectively.(659 * 227 * 0.6mm) are provided with the substrate that spacing is the parallel groove of 605 μ m to have used Berlet phenolics plate as substrate.
At first, the coating cementing agent makes it become film like on the face that is provided with groove on the 1st substrate, by negative pressure suction with this substrate absorption and be fixed on the outside surface of roller cylindraceous (diameter is 210mm).Then, make roller rotation, tension force controlled it is reached about 0.29N～1.96N on one side, using guiding mechanism as shown in Figure 2 on one side, coiling light transmission part makes in its groove that is arranged in substrate, is the coiling body of 227mm thereby form one deck width.
Subsequently, cut coiling body, thereby make the arrangement part of light transmission part set on substrate along the axis direction of roller.2nd substrate (with the 1st substrate identical substrate) bonding of groove and fixing will along the arrangement pitches of light transmission part be set, thereby make light transmission part array raw sheet thereafter.This light transmission part array raw sheet is cut off similarly to Example 1, grinds, thereby make light transmission part array.
The mean value of the MTF of resulting light transmission part array is 66%, and MTF C.V is 2.6%.
Embodiment 3
Employed light transmission part, substrate and cementing agent are identical with embodiment 2 respectively.
At first, the coating cementing agent makes it become film like on the face that is provided with groove of the 1st substrate, utilizes negative pressure suction with this substrate absorption and be fixed on the outside surface of roller cylindraceous (diameter 210mm).Then, make roller rotation, tension force controlled it is reached about 0.29N～1.96N on one side, use guiding mechanism coiling light transmission part as shown in Figure 2 to make in its groove that is arranged in substrate on one side, forming width is one deck coiling body of 227mm.
And then boning fixedly makes its configuration on roller the arrangement pitches along the light transmission part to be provided with the 2nd substrate (substrate identical with the 1st substrate) of groove, thereby makes light transmission part array raw sheet.Cut, cut off, grind this light transmission part array raw sheet and embodiment 1 are the same again, thereby make light transmission part array.
The mean value of the MTF of resulting light transmission part array is 67%, and MTF C.V is 2.4%.
Employed light transmission part, substrate and cementing agent are identical with embodiment 2 respectively.
At first, use roller cylindraceous (diameter is 210mm) with the groove that is provided with 605 μ m spacings, make the roller rotation, tension force controlled it is reached about 0.29N～1.96N, use guiding mechanism coiling light transmission part as shown in Figure 2 that it is arranged in the groove of roller, form one deck coiling body of wide 227mm.
Then, bonding is fixed the 1st substrate and is made the arrangement pitches setting of its groove along the light transmission part of coiling body.Then, cut the coiling body that bonding has been fixed the 1st substrate, remove from roller and make the arrangement part of having arranged the light transmission part at substrate along the axis direction of roller.
On resulting arrangement part, be coated with cementing agent, after bonding on this coated face is fixed the 2nd substrate (substrate identical with the 1st substrate), make light transmission part array raw sheet again.This light transmission part array raw sheet carries out the cut-out the same with embodiment 1, make light transmission part array after grinding.
The mean value of the MTF of resulting light transmission part array is 65%, and MTF C.V is 2.5%.
Secondly, the embodiment that makes the manufacture method of light transmission part array raw sheet of framework is described.
The rod-shaped lens that employed light transmission part is a continuous length among the embodiment, it is made for plastics, and lens radius is 0.17mm, and refractive index of the centre is 1.513, index distribution constant g=0.84mm
-1Employed substrate is flat Berlet phenolics (paper base material phenolics) substrate (slotless substrate), is of a size of wide 227mm * long 480mm * thick 0.32mm; Employed cementing agent is that セ キ ス イ エ ス ダ イ Application (strain) system moisture-curable type polyurethane is a hot-melt adhesive, and the trade mark is エ ス ダ イ Application 9607K; Employed framework is the square column (1 length of side is 10mm) of stainless steel, and the height of assembling (width) is 250mm, and the length on 1 limit is 500mm, and outer perimeter is the four-prism framework (width of rod-shaped lens arrangement plane is 227mm, and length is 480mm) of 2000mm.
Embodiment 5
Make four-prism framework rotation with certain speed, make the plastic rod-shaped lens (length is about 1335 meters) of continuous length arrange and make the lens driving fit of adjacency abreast continuously, making the four sides width is that 227mm, length are the rod-shaped lens row of 500mm.
Subsequently, on the adhesive surface of resulting four sides rod-shaped lens row, outside and inner from framework, be fixed on the press face of pressure apparatus being coated with the substrate that thickness is about the hot-melt adhesive of 37 μ m, the face that two substrates are configured to make it be coated with cementing agent is mutually opposed and parallel, and then between two substrates, dispose abreast after the rod-shaped lens row, make the substrate that has been coated with cementing agent keep the state parallel approaching with it from both sides, and roughly side by side paste on the position of correspondence of adhesive surface of the both sides that rod-shaped lens is listed as with the rod-shaped lens row.Then, utilize pressure apparatus to be pressurized to 0.6MPa, make substrate and the driving fit of rod-shaped lens row, be made into stick shape lens array primitive plate.In addition, the condition during substrate sticking is after 70 ℃ of 30 seconds of pressurization, is cooled to 15 ℃ and keeps 1 minute.These operations are implemented respectively four faces, are made into four stick shape lens array primitive plates.
Then, be listed as and pull down, be separated into four stick shape lens array primitive plates from framework by near the boundary member between the arrangement plane of rod-shaped lens row, cutting off rod-shaped lens along the direction vertical with the optical axis of rod-shaped lens.
With resulting four stick shape lens array primitive plates under the environment of 60 ℃ of relative humidity 90% sclerosis 24 hours after, use rotary cutter (thick be 0.5mm) that four stick shape lens array primitive plates are cut off along the directions vertical with the optical axis of rod-shaped lens, thereby obtain the presoma of 348 rod type lens arrays.
The presoma that uses diamond cutter to cut the rod type lens array that obtains like this along the direction vertical with the optical axis of rod-shaped lens makes end face become minute surface, thereby obtain the long 4.4mm of being of lens, the rod type lens array width is 227mm, and rod type lens array thickness is 348 of the 1 row rod type lens arrays of 0.98mm.
On the square column of the stainless steel of being positioned at of the four-prism framework position vertical with the optical axis of rod-shaped lens, forming spacing on the arrangement plane of rod-shaped lens row is the V-shaped groove of 350 μ m.Make the trough of belt framework rotation of this four-prism shape of having improved with certain speed, arrange the plastic rod-shaped lens (length is about 1297 meters) of continuous length abreast continuously in the mode that embeds V-shaped groove, the spacing that makes the rod-shaped lens of its adjacency is 350 μ m, gap between lens is 10 μ m, being made into the four sides width is 227mm, and length is the rod-shaped lens row of 500mm.
Subsequently, on the adhesive surface of resulting four sides rod-shaped lens row, outside and inner from framework, with coating thickness is that the substrate of the hot-melt adhesive of 41 μ m is fixed on the press face of pressure apparatus, the face that two substrates are configured to make it be coated with cementing agent is mutually opposed and parallel, and then between two substrates, dispose coequally after the rod-shaped lens row, make the substrate that has been coated with cementing agent keep the state parallel approaching with it from both sides, and roughly side by side paste on the position of correspondence on the adhesive surface of both sides of rod-shaped lens row with the rod-shaped lens row.Then, utilize pressure apparatus to be pressurized to 0.6MPa, make substrate and the driving fit of rod-shaped lens row, be made into stick shape lens array primitive plate.In addition, the condition during substrate sticking is after 70 ℃ of 30 seconds of pressurization, is cooled to 15 ℃ and keeps 1 minute.These operations are implemented respectively four faces, are made into four stick shape lens array primitive plates.
Following operation is identical with embodiment 1, makes the long 4.4mm of being of lens, and the rod type lens array width is 227mm, and rod type lens array thickness is 348 of the 1 row rod type lens arrays of 0.98mm.
Embodiment 7
Use the four-prism framework of band V-shaped groove used among the embodiment 2, make its rotation with certain speed, arrange the plastic rod-shaped lens of continuous length abreast continuously in the mode that embeds V-shaped groove, the spacing that makes the rod-shaped lens of its adjacency is 350 μ m, gap between lens is 10 μ m, being made into the four sides width is 227mm, and length is the rod-shaped lens row of 500mm.Then, forming lamination ground on the lens arrays of the 1st row arranges the lens of the 2nd row abreast continuously and makes it embed the trench part of the 1st lens arrays that is listed as, and the spacing that makes the rod-shaped lens of adjacency is 350 μ m, gap between lens is 10 μ m, thereby being made into the four sides width is 227mm, and length is the two-layer rod-shaped lens row of 500mm.
Subsequently, on the adhesive surface of resulting four sides rod-shaped lens row, outside and inner from framework, with coating thickness is that the substrate of the hot-melt adhesive of 57 μ m is fixed on the press face of pressure apparatus, the face that two substrates are configured to make it be coated with cementing agent is mutually opposed and parallel, and then between two substrates, dispose coequally after the rod-shaped lens row, make the substrate that has been coated with cementing agent keep the state parallel approaching with it from both sides, and roughly side by side paste on the position of correspondence on the adhesive surface of both sides of rod-shaped lens row with the rod-shaped lens row.Then, utilize pressure apparatus to be pressurized to 0.6MPa, make substrate and the driving fit of rod-shaped lens row, be made into stick shape lens array primitive plate.In addition, the condition during substrate sticking is after 70 ℃ of 30 seconds of pressurization, is cooled to 15 ℃ and keeps 1 minute.These operations are implemented respectively four faces, are made into four stick shape lens array primitive plates.
Following operation is identical with embodiment 1, makes the long 4.4mm of being of lens, and the rod type lens array width is 227mm, and rod type lens array thickness is 348 of the 2 row rod type lens arrays of 1.27mm.
The resulting light transmission part of manufacture method that utilizes light transmission part array raw sheet of the present invention can be widely used in parts that the imageing sensor of various scanners, duplicating machine, facsimile recorders etc. such as hard disk scanner uses and LED printer etc. with the form of light transmission part array and writes and be provided with etc.
Claims (16)
1. the manufacture method of a light transmission part array raw sheet, this light transmission part array raw sheet has been arranged many light transmission parts between two boards, it is characterized in that, comprises following operation:
Fix the fixedly operation of the 1st substrate along the outer circumference surface of roller cylindraceous;
And the light transmission part of adjacency between while leaving certain interval the light transmission part is wound up into along the lip-deep coiling operation of the 1st fixing substrate of the outer circumference surface of above-mentioned roller;
The 2nd substrate bonding is fixed on the above-mentioned light transmission part of having reeled, thereby makes the operation of light transmission part array raw sheet cylindraceous;
The operation that the light transmission part array raw sheet cylindraceous that is configured on the above-mentioned roller is cut along the axis direction of above-mentioned roller.
2. the manufacture method of light transmission part array raw sheet according to claim 1 is characterized in that:
Before said fixing operation or above-mentioned coiling operation, also has the operation of coating cementing agent on the surface of being fixed in above-mentioned the 1st substrate on the above-mentioned roller.
3. the manufacture method of light transmission part array raw sheet according to claim 1 and 2 is characterized in that:
After above-mentioned coiling operation, also has the operation of coating cementing agent on the light transmission part that is wound on the 1st substrate that is fixed on the above-mentioned roller; And
In the operation that has been coated with further coiling light transmission part on the light transmission part of cementing agent.
4. according to the manufacture method of any one described light transmission part array raw sheet among the claim 1-3, it is characterized in that:
As the 1st substrate, use the substrate that on a face, forms many grooves with interval greater than the external diameter of above-mentioned light transmission part;
Above-mentioned light transmission part is configured on one side in the groove of above-mentioned the 1st substrate on the outer circumference surface that is fixed in above-mentioned roller, Yi Bian be wound on the surface of above-mentioned the 1st substrate and bonding fixing.
5. the manufacture method of a light transmission part array raw sheet is characterized in that, carries out following operation (1)-(4) successively:
(1) framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces is rotated around turning axle, on the lateral circle surface of framework with the operation of the light transmission part of desired spacing coiling continuous length;
(2) substrate that is coated with cementing agent on two single faces is clamped the light transmission part that is wound on the framework and make cementing agent separately become inboard operation;
(3) operation that bonds together from substrate pressurization, with two substrates and light transmission part;
(4) will be bonded in the operation that the light transmission part on the substrate is pulled down from framework.
6. the manufacture method of light transmission part array raw sheet according to claim 5 is characterized in that:
In operation (1), the reel light transmission part of two-layer or above continuous length.
7. the manufacture method of a light transmission part array raw sheet is characterized in that, carries out following operation (1 ')-(6 ') successively:
(1 ') makes the framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces, each face that forms side face can be pulled down rotate around turning axle, on the lateral circle surface of framework with the operation of the light transmission part of desired spacing coiling continuous length;
The light transmission part of the continuous length that (2 ') will reel is fixed on the operation on the framework;
(3 ') cuts off the light transmission part of continuous length on framework, pull down the operation of framework;
(4 ') clamps the substrate that is coated with cementing agent on two single faces and horizontally is pulled in the light transmission part on the framework and makes separately cementing agent become inboard operation;
(5 ') pressurizes from substrate, the operation that two substrates and light transmission part are bonded together;
(6 ') will be bonded in the operation that the light transmission part on the substrate removes from framework.
8. the manufacture method of light transmission part array raw sheet according to claim 7 is characterized in that:
In operation (1 '), the reel light transmission part of two-layer or above continuous length.
9. according to the manufacture method of claim 7 or 8 described light transmission part array raw sheets, it is characterized in that:
In operation (4 ') before, revise the directional angle of light transmission part.
10. according to the manufacture method of any one described light transmission part array raw sheet among the claim 7-9, it is characterized in that:
The light transmission part of the continuous length of having reeled of operation (2 ') is fixed on the cementing agent that utilization is coated on the framework on the framework to carry out.
11. the manufacture method of a light transmission part array raw sheet is characterized in that, carries out following operation (I)-(IV) successively:
(I) will be fixed on each side face of framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces and make cementing agent operation outwardly at the substrate that is coated with cementing agent on the single face;
(II) framework is rotated around turning axle, on the framework lateral circle surface with the operation of the light transmission part of desired spacing coiling continuous length;
(III) on framework, cut off the light transmission part of continuous length, the operation that the substrate of the light transmission part that bondd is removed;
(IV) will overlap on the substrate of the light transmission part that bondd pressurization, the operation that two substrates and light transmission part are bonded together at the substrate that is coated with cementing agent on the single face.
12. the manufacture method of light transmission part array raw sheet according to claim 11 is characterized in that:
In operation (I), the reel light transmission part of two-layer or above continuous length.
13. the manufacture method of a light transmission part array raw sheet is characterized in that, carries out following operation (I ')-(IV ') successively:
(I ') is fixed on substrate the operation on each side face of framework of the N prism shape (N 〉=3) that has turning axle on two bottom surfaces;
(II ') makes framework rotate around turning axle, be coated with cementing agent, and meanwhile on the framework lateral circle surface with the operation of the light transmission part of desired spacing coiling continuous length;
(III ') cuts off the light transmission part of continuous length on framework, pull down the operation of the substrate of the light transmission part that bondd;
(IV ') overlaps substrate on the substrate of the light transmission part that bondd, pressurization, the operation that two substrates and light transmission part are bonded together.
14. the manufacture method of light transmission part array raw sheet according to claim 13 is characterized in that:
In operation (I '), the reel light transmission part of two-layer or above continuous length.
15. the manufacture method according to any one described light transmission part array raw sheet among the claim 2-14 is characterized in that:
Use hot-melt adhesive as cementing agent.
16. the manufacture method of a light transmission part array is characterized in that:
After the edge direction vertical with the optical axis of light transmission part cuts into specified length with the resulting light transmission part of any one the described method array raw sheet among the claim 1-15, utilize diamond cutter to cut the length of lens that its end face becomes regulation.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004063914 | 2004-03-08 | ||
| JP2004063914A JP4131957B2 (en) | 2004-03-08 | 2004-03-08 | OPTICAL TRANSMITTER ARRAY STACK AND OPTICAL TRANSMITTER ARRAY MANUFACTURING METHOD |
| JP2004109304 | 2004-04-01 | ||
| JP2004109304A JP4646286B2 (en) | 2004-04-01 | 2004-04-01 | Method for manufacturing rod lens array original plate and method for manufacturing rod lens array |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1667438A true CN1667438A (en) | 2005-09-14 |
| CN100504467C CN100504467C (en) | 2009-06-24 |
Family
ID=35038632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100515988A Expired - Fee Related CN100504467C (en) | 2004-03-08 | 2005-03-07 | Optical transmission protocol array primary plate and optical transmission protocol array production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100504467C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101650A (en) * | 2017-06-05 | 2017-08-29 | 北京菲波森思科技有限公司 | A kind of fiber optic loop preparation method |
-
2005
- 2005-03-07 CN CNB2005100515988A patent/CN100504467C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107101650A (en) * | 2017-06-05 | 2017-08-29 | 北京菲波森思科技有限公司 | A kind of fiber optic loop preparation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100504467C (en) | 2009-06-24 |
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