CN104932076A - Retaining device, optical unit, manufacture device and method thereof - Google Patents
Retaining device, optical unit, manufacture device and method thereof Download PDFInfo
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- CN104932076A CN104932076A CN201510119028.1A CN201510119028A CN104932076A CN 104932076 A CN104932076 A CN 104932076A CN 201510119028 A CN201510119028 A CN 201510119028A CN 104932076 A CN104932076 A CN 104932076A
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- holding device
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- maintaining part
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
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Abstract
The invention provides a retaining device, an optical unit, and a manufacture device and method thereof, such as a method of retaining a small optical element appropriately without damaging an optical face during a positioning process. The retaining device is provided with an optical face formed on optical material through mold transferring, a reference face and the optical element on an exposed part and formed by extruding the optical material by utilizing the above mold, and is provided with a first retaining part carrying the reference face, a second retaining face carrying the above exposed part and capable of being compressed and deformed; and a force exerting mechanism exerting force on the exposed part in a way of enabling the reference face to face towards the second retaining part while push against the first retaining part.
Description
Technical field
The manufacturing installation of the holding device that the present invention relates to optical element, the optical unit comprising optical element, the manufacture method comprising the optical unit of optical element and the optical unit manufactured by the method.
Background technology
In recent years, in the mobile terminals such as smart mobile phone, advancing the miniaturization of the filming apparatus being equipped on mobile terminal in order to improve appearance design, being accompanied by this, the requirement being equipped on the slimming of the optical system of filming apparatus is more and more higher.On the other hand, even if mobile terminal, not allowing the image taken to be low image quality yet, therefore requiring the high performance of optical system in order to realize high image quality yet.
For above-mentioned requirements, develop a kind of small-sized and slim filming apparatus using so-called super-resolution technique, so-called super-resolution technique refers to: use the array lens that the multiple photographing optical system (each optics of the eye system) differently configured by optical axis are formed, the shooting face of solid-state image pickup element is formed multiple object picture, image procossing is carried out to the picture signal corresponding with each object picture, thus a reconstruct image.For in the compound eye photographing optical system of such filming apparatus, the parallax of multiple each optics of the eye system is utilized to carry out reconstructed image, thus the image of high pixel can be produced according to the image of low pixel, therefore, it is possible to reduce the pixel count of each optics of the eye system imagery zone corresponding respectively, thus optical system can be formed with less array lens sheet number.Consequently, compared with existing optical system, significantly slimming can be realized, and high-resolution filming apparatus can be provided.
But the optical element that pair array lens are such, the situation of the stacked use of multi-disc is more, therefore needs the fixture keeping this array lens in order to oriented array lens.But, when the transfer printing molded array lens of use open die, can by die face accurately transfer printing optical surface, around it etc., but it is more not become the situation of not solid shape by the peripheral part of mould constraint, is difficult to thus utilize holder peripheral part.In addition, when optical element is thinner, by holder peripheral part, thus there is the worry of optical element distortion.In addition, same problem is requiring also may produce in the simple eye lens of thinness, optical filter.
Patent Document 1 discloses and a kind of absorption by adsorption plane keep optical element to be arranged in row and the fixture of optics that formed.Above-mentioned optics is the semiconductor substrate etc. being provided with optical element, natively possesses certain flatness, therefore adsorbs than being easier to.
Patent documentation 1: Japanese Unexamined Patent Publication 2012-108292 publication
Patent documentation 2: Japanese Unexamined Patent Publication 2005-127839 publication
But, when for continuing to use technology disclosed in patent documentation 1 to keep the optical elements such as array lens, absorption being carried out to which part and becomes problem.Such as, surrounding's roller mould face of optical surface, therefore in most cases can guarantee certain flatness, so also can adsorb herein.But, in these cases, need the space of guaranteeing around optical surface to a certain degree, there is the problem causing the maximization of optical element thus.On the other hand, if reduce the area of adsorption plane, then can avoid the maximization of optical element, but absorption affinity will reduce corresponding amount, thus optical element may be caused to fall during location.
Next, Patent Document 2 discloses a kind of optical surface to lens to carry out adsorbing the structure kept.But, if directly adsorb the optical surface of lens, then, when accompanying foreign matter between optical surface and adsorption plane, optical surface may be caused to damage, thus not preferred.
Summary of the invention
The present invention completes in view of such situation, its object is to provide such as can not damage optical surface and the optical unit that suitably can keep the holding device of small-sized optical element, comprise the manufacturing installation of the optical unit of optical element, comprise the manufacture method of the optical unit of optical element and manufactured by the method when locating etc.
At least one to achieve these goals, reflect that the holding device of a side of the present invention keeps optical element, this optical element has the exposed division that the transfer printing by mould is formed at the optical surface of optical material and reference field and is formed further by utilizing above-mentioned mould to extrude above-mentioned optical material, and this holding device has: first maintaining part in mounting said reference face; Load the second maintaining part of the energy compression deformation of above-mentioned exposed division; And with the force application mechanism that the mode making said reference face abut with above-mentioned first maintaining part exerts a force towards above-mentioned second maintaining part to above-mentioned exposed division.
The reference field of above-mentioned optical element and above-mentioned optical surface are together transfer printing molded by mould, therefore when transfer printing molded when, can guarantee the position relationship of said reference face and above-mentioned optical surface with higher precision.Therefore, by utilizing above-mentioned first maintaining part to keep said reference face can guarantee the position relationship of above-mentioned optical surface relative to above-mentioned holding device with higher precision.On the other hand, if realize the miniaturization of above-mentioned optical element and do one's utmost to reduce the area in said reference face, be then difficult to fix above-mentioned optical element by above-mentioned first maintaining part.Therefore, in the present invention, by above-mentioned force application mechanism, above-mentioned exposed division is kept to above-mentioned second maintaining part force.But, above-mentioned exposed division is formed by utilizing above-mentioned mould to extrude above-mentioned optical material, therefore formed precision is lower, thus there is the worry that above-mentioned exposed division withstands on this second maintaining part when being held in above-mentioned second maintaining part, said reference face is floated from above-mentioned first maintaining part, exist thus and cannot guarantee above-mentioned optical surface with higher precision relative to the position relationship of above-mentioned holding device, above-mentioned holding device to the worry of the maintenance instability of above-mentioned optical element.Therefore, above-mentioned second maintaining part is carried out compression deformation at above-mentioned exposed division by during above-mentioned force application mechanism force, thus under the state abutted with above-mentioned first maintaining part in said reference face, above-mentioned exposed division is suitably held in above-mentioned second maintaining part, guarantees the position relationship of above-mentioned optical surface relative to above-mentioned holding device thus with higher precision.
The manufacturing installation of this optical unit possesses above-mentioned holding device, under the state that at least one party in two optical elements is kept by above-mentioned holding device, makes above-mentioned optical element mutually opposing and positions, and then being interfixed by above-mentioned optical element.Thereby, it is possible to stably with higher precision above-mentioned optical element positioned each other and fix, thus high-precision optical unit can be manufactured.
The manufacture method of this optical unit uses above-mentioned holding device, under the state that at least one party in two optical elements is kept by above-mentioned holding device, makes that above-mentioned optical element is mutually opposing to be positioned, and then is interfixed by above-mentioned optical element.Thereby, it is possible to stably with higher precision to above-mentioned optical element each other base position and fix, thus high-precision optical unit can be obtained.
This optical unit is manufactured by above-mentioned manufacture method.
According to the present invention, can provide a kind of and such as can not damage optical surface and the optical unit that suitably can keep the holding device of small-sized optical element, comprise the manufacturing installation of the optical unit of optical element, comprise the manufacture method of the optical unit of optical element and manufactured by the method when locating etc.
Accompanying drawing explanation
In Fig. 1, (a) figure is the upward view of an example, i.e. the array lens AL1 of optical element, the figure that (b) figure is array lens AL1 at IB-IB line cutting (a) figure and observes to the direction of arrow.
Fig. 2 is the figure of the operation representing manufacturing array lens AL1.
Fig. 3 is the vertical view of holding device 10.
Fig. 4 is the cut-open view of the holding device 10 keeping array lens AL1.
Fig. 5 is the figure that position adjusts and manufacture method is described for pair array lens.
Fig. 6 is the cut-open view of the optical unit be made up of array lens AL1, AL2.
Fig. 7 is the figure of other example, i.e. simple eye lens LS from lower surface viewing optics element.
Fig. 8 is the cut-open view of the holding device 10 keeping simple eye lens LS.
Fig. 9 is the figure of other example, i.e. chromatic filter CF from lower surface viewing optics element.
Figure 10 is the cut-open view of the holding device 10 keeping chromatic filter CF.
Figure 11 is the figure of other example, i.e. diffraction grating GR from lower surface viewing optics element.
Figure 12 is the cut-open view of the holding device 10 keeping diffraction grating GR.
Figure 13 is the figure of other example, i.e. aperture parts AP from lower surface viewing optics element.
Figure 14 is the cut-open view of the holding device 10 keeping aperture parts AP.
Description of reference numerals:
10,10 ' ... holding device; 11 ... framework; 11a ... little square tube, little cylinder; 11b ... large square tube, large cylinder; 11c ... midfeather; 11d ... opening; 11e ... vent passage; 12 ... parts; 12a ... elongated hole; AL1, AL2 ... array lens; AL1a ... recess; AL1b ... lens; AL1c ... reference field; AL1d ... exposed division; AL2b ... lens; AP ... aperture parts; APa ... optical surface; APb ... reference field; APc ... exposed division; BS ... pedestal; CF ... chromatic filter; CFb ... reference field; CFc ... exposed division; CT ... card; G ... base plate; GL ... glass material; GR ... diffraction grating; GRa ... optical surface; GRb ... reference field; GRc ... exposed division; H ... pipe arrangement; LS ... simple eye lens; LSa ... optical surface; LSb ... reference field; LSc ... exposed division; M1, M2 ... mould; M1a ... mould upper surface; M1b ... platform portion; M1c ... lens transfer surface; M1d ... reference field transfer surface; M2 ... mould; M2a ... mould lower surface; M2b ... lens transfer surface; P-... negative pressure pump; SH ... light-blocking member; SS ... solid-state image pickup element; XYA ... XY axle actuator; ZA ... Z axis actuator;
Embodiment
Below, with reference to the accompanying drawings embodiments of the present invention are described.Fig. 1 (a) is the upward view of an example, i.e. the array lens AL1 of optical element, the figure that Fig. 1 (b) is array lens AL1 at IB-IB line cut away view 1 (a) and observes to the direction of arrow.
Array lens AL1 has roughly discoid shape, is formed with rectangular-shaped recess AL1a in its lower surface central authorities.The lens AL1b that formation 4 row 4 row have the optical surface that optical axis is parallel to each other is arranged in the mode being positioned at recess AL1a.In addition, around the lens AL1b in recess AL1a, as shown in shade in Fig. 1 (a), be formed with reference field AL1c.The outside of recess AL1a is exposed division AL1d.Recess AL1a also can be circular.The thickness t of array lens AL1 is below 1.2mm.
Fig. 2 is the figure of the operation representing manufacturing array lens AL1.In Fig. 2 (a), mould M1 is formed with platform portion M1b in the central authorities of mould upper surface M1a.The lens transfer surface M1c of 4 row 4 row is formed at the upper surface of platform portion M1b.On platform portion M1b, the surrounding of lens transfer surface M1c becomes the plane orthogonal with its optical axis and reference field transfer surface M1d.
On the other hand, as shown in Fig. 2 (b), at mould M2, in the central authorities of mould lower surface M2a, be formed with in the mode corresponding with lens transfer surface M1c the lens transfer surface M2b that 4 row 4 arrange.The surrounding of the lens transfer surface M2b of mould lower surface M2a becomes the plane orthogonal with its optical axis.
The operation of manufacturing array lens AL1 is described.As shown in Fig. 2 (a), the glass material GL of melting of dripping from top in the mode covering the platform portion M1b of mould M1.Then, as shown in Fig. 2 (b), if make from the top of mould M1 mould M2 close to and press the glass material GL of melting, then glass material GL launches towards periphery radially, and at the lower surface contacted with mould M1, scioptics transfer surface M1c transfer printing forms the optical surface of a side of lens AL1b, and forms reference field AL1c by reference field transfer surface M1d transfer printing.Meanwhile, at the upper surface of the glass material GL contacted with mould M2, formed the optical surface of the opposing party of lens AL1b by the lens transfer surface M2b transfer printing of mould M2.In addition, the outer circumferential side of mould M1, M2 is open, by the restrained thus glass material GL stretched out radially forming the exposed division AL1d of indefinite shape because of the mutual pressing of mould M1, M2.
After glass material solidification, by mould M1, M2 parting, thus form array lens AL1.In addition, also can use resin material and mold optical element with same method for making.
Fig. 3 is the vertical view of holding device 10.Fig. 4 is the cut-open view of the holding device 10 keeping array lens AL1.Holding device 10 such as has the framework 11 of metal square tube shape.Framework 11 is by configuring little square tube 11a and the large square tube 11b larger than little square tube 11a size coaxially, and the structure of the one utilizing midfeather 11c that end is connected to each other and formed.First maintaining part, the i.e. inner side of little square tube 11a are formed as opening 11d.
As shown in Figure 3, the midfeather 11c outside each limit of little square tube 11a is adhesively fixed with the parts 12 of 4 rectangular plate-like.Second maintaining part, i.e. parts 12 are formed by the polyurethane etc. of energy compression deformation, have elongated hole (part for the vent passage) 12a extended along its length in central authorities.
Be formed with 4 at midfeather 11c to extend and the vent passage 11e be communicated with the elongated hole 12a of parts 12 from outer circumferential side.The outboard end of vent passage 11e is connected with the negative pressure pump P-as force application mechanism via pipe arrangement H.
When keeping array lens AL1, lens AL1b is configured to opposed with the opening 11d of little square tube 11a, thus the reference field AL1c of array lens AL1 is to keep the mode in gap slightly opposed with the front end of little square tube 11a.In addition, the exposed division AL1d of array lens AL1 abuts with the upper surface of 4 parts 12, thus is in and covers elongated hole 12a and form the state of lid.
Here, if make negative pressure pump P-action, then become negative pressure via pipe arrangement H in vent passage 11e and elongated hole 12a, therefore exposed division AL1d is attracted thus compression member 12.So, array lens AL1 entire lowering, thus reference field AL1c abuts with the front end of little square tube 11a.In the above-described state, the axis of holding device 10 is parallel with the optical axis of the lens AL1b of array lens AL1.In addition, if stop negative pressure pump P-and make to return in pipe arrangement H atmospheric pressure, then the spontaneous bounce-back of parts 12 and make array lens AL1 increase.Thus, become release array lens AL1 from maintenance array lens AL1, thus can miscellaneous part be replaced by.
According to the present embodiment, parts 12 compression deformation when negative pressure drops into, even if thus array lens AL1 is thinner and rigidity is lower, also can effectively suppress it to be out of shape.In addition, parts 12 copy exposed division AL1d to be out of shape, thus the friction force acted between array lens AL1 and parts 12 is higher, can overcome unexpected external force, thus can reliably keep.And parts 12 are recovery of shape because negative pressure is interrupted, thus can Reusability.
Next, to using the adjustment of the position of the array lens of holding device 10 and manufacture method to be described.Fig. 5 is the figure that position adjusts and manufacture method is described for pair array lens.In Figure 5, identical with Fig. 4, keep array lens AL1 by holding device 10.Wherein, holding device 10 is supported to via the Z axis actuator ZA that can stretch along the Z-direction parallel with optical axis and can moves in the Z-axis direction relative to base plate G.Now, in order to the optical surface position in the Z-axis direction of the reference field AL1c and lens AL1b that specify array lens AL1 with higher precision, the front end of little square tube 11a is abutted with reference field AL1c, thus the distance of the lens AL1b from Z axis actuator ZA to Z-direction can be held with higher precision via the known holding device 10 of size, easily can position with the shorter time thus.
In addition, the opening 11d in the little square tube 11a of framework 11 is configured with to take the solid-state image pickup element SS arranged facing to the mode of top, and this solid-state image pickup element SS is fixed on base plate G via pedestal BS.Picture signal from solid-state image pickup element SS exports not shown image processing circuit to.In addition, also can replace solid-state image pickup element SS and camera is set, reading the alignment mark being formed at array lens AL1, AL2 and position.
In addition, utilize to have with holding device 10 mutually isostructural holding device 10 ' keep and array lens AL1 shaping in an identical manner and there is the array lens AL2 of lens AL2b.Wherein, holding device 10 ' turns upside down relative to holding device 10, in addition, is linked to and can carries out along the X-axis orthogonal with Z axis and Y-axis the XY axle actuator XYA that drives.In the top of the opening 11d ' of holding device 10 ', so that card CT (also can configure overleaf light source and luminous through card face) can be configured with along the mode of Z-direction movement, thus defocus properties can be measured.In addition, also can replace card CT and adopt the light source penetrating directional light, converging light.
The location of pair array lens AL1, AL2 is described.In the below of the array lens AL2 kept by holding device 10 ', utilizing after holding device 10 keeps array lens AL1, light-blocking member SH is placed on array lens AL1.Then make Z axis actuator ZA action, make array lens AL1 increase together with holding device 10.If the interval of array lens AL1, AL2 is close to optimum value, then go out the picture of card CT in the meeting imaging of the shooting face of solid-state image pickup element SS.Now, make the XYA action of XY axle actuator and carry out the fine setting of X-axis and Y direction, to form suitable picture with reference to the mtf value etc. exported from image processing circuit in shooting face.Holding device 10,10 ' adsorbs and keeps array lens AL1, AL2, even if when therefore by mistake applying external force when locating, also can realize stable maintenance.
When array lens AL1, AL2 are in optimum position, application of adhesive between which, thus together fix the relative position relation of array lens AL1, AL2 with light-blocking member SH.Then, even if take off from holding device 10,10 ', as shown in Figure 6, array lens AL1, AL2 keep fixedly forming being integrated, and the position relationship of lens AL1b, AL2b maintains suitable state.Then, after the cutting of position shown in dotted line, array lens AL1, AL2 of comprising light-blocking member SH are arranged at picture frame, thus are equipped on the optical apparatus such as such as super-resolution formula compound eye filming apparatus.In addition, array lens AL1, AL2 also can not cut and be equipped on optical apparatus.In addition, also a side of array lens can be replaced into optical element described later.
Fig. 7 observes as the figure of the simple eye lens LS of other examples of optical element from lower surface.Simple eye lens LS has: the optical surface LSa possessing single optical axis, reference field (in Fig. 7 shown in the shade) LSb being formed at the ring-type of the surrounding of optical surface LSa and the exposed division LSc expanded radially from the outside of reference field LSb.Identical with above-mentioned array lens, simple eye lens LS is by dripping glass material shaping by other mold cramping to mould.
Fig. 8 is the cut-open view of the holding device 10 keeping simple eye lens LS.Holding device 10 has the structure identical with above-mentioned embodiment, but framework 11 is the structures formed by utilizing midfeather 11c to link little cylinder 11a and large cylinder 11b.In addition, the parts 12 being configured at the surrounding of little cylinder 11a are ring-type, have and circumferentially extend off and on and the elongated hole 12a be communicated with vent passage 11e.In addition, identical with above-mentioned embodiment, therefore omit the description.
When keeping simple eye lens LS, optical surface LSa is configured to opposed with the opening 11d of little cylinder 11a, thus the reference field LSb of simple eye lens LS is opposed with the front end of little cylinder 11a in the mode with gap slightly.In addition, the exposed division LSc of simple eye lens LS abuts with the upper surface of the parts 12 of ring-type, thus is in and covers whole elongated hole 12a and form the state of lid.
Here, if make negative pressure pump P-action, then become negative pressure via pipe arrangement H in vent passage 11e and elongated hole 12a, therefore exposed division LSc is attracted, thus compression member 12.So, simple eye lens LS entire lowering, thus the reference field LSb of ring-type abuts with the front end of little cylinder 11a.In the above-described state, the axis of holding device 10 is parallel with the optical axis of simple eye lens LS.In addition, if stop negative pressure pump P-and make to return in pipe arrangement H atmospheric pressure, then the spontaneous bounce-back of parts 12 and make simple eye lens LS increase.Become the simple eye lens LS of release from the simple eye lens LS of maintenance thus, thus can miscellaneous part be replaced by.
Fig. 9 observes as the figure of the chromatic filter CF of other examples of optical element from lower surface.Chromatic filter CF has: multiple optical surface R, G, B; Be formed at reference field (in Fig. 9, the shade shown) CFb of the surrounding of optical surface R, G, B; And the exposed division CFc to expand radially from the outside of reference field CFb.Chromatic filter CF can manufacture in the following way, that is: the mould being formed with 4 row 4 row short cylinders in the mode identical with above-mentioned method for making to such as replacing lens transfer surface drips glass material, clamped by other plane mould and be solidified to form middle generation body, this centre generate body formed by transfer printing short cylinder circle small rut in coated red, green, blue pigment, thus form optical surface R, G, B that 4 row 4 arrange as illustrated in fig. 9.Above-mentioned chromatic filter CF may be used for compound eye filming apparatus.
Figure 10 is the cut-open view of the holding device 10 keeping chromatic filter CF, in the position of the X-X line cutting of Fig. 9, chromatic filter CF is shown.Holding device 10 has the structure identical with the embodiment shown in Fig. 4.
When keeping chromatic filter CF, optical surface R, G, B are configured to opposed with the opening 11d of little square tube 11a, thus the reference field CFb of chromatic filter CF is opposed with the front end of little square tube 11a in the mode with gap slightly.In addition, the exposed division CFc of chromatic filter CF abuts with the upper surface of parts 12, thus is in and covers this elongated hole 12a and form the state of lid.
Here, if make negative pressure pump P-action, then become negative pressure via pipe arrangement H in vent passage 11e and elongated hole 12a, therefore exposed division CFc is attracted, thus compression member 12.So, chromatic filter CF entire lowering, thus reference field CFb abuts with the front end of little square tube 11a.In the above-described state, the axis of holding device 10 is parallel with the optical axis of chromatic filter CF.In addition, if stop negative pressure pump P-and make to return in pipe arrangement H atmospheric pressure, then the spontaneous bounce-back of parts 12 and make chromatic filter CF increase.Become release chromatic filter CF from maintenance chromatic filter CF thus, thus can miscellaneous part be replaced by.
Figure 11 observes as the figure of the diffraction grating GR of other examples of optical element from lower surface.Diffraction grating GR has: the multiple optical surface GRa possessing section small wheel belt structure of (blaze shape) in shape of glittering, reference field (in Figure 11 shown in the shade) GRb being formed at the surrounding of optical surface GRa and the exposed division GRc expanded radially to the outside of reference field GRb.Diffraction grating GR is such as by having the glass material that constructs same melting of dripping between the mould of corresponding minute shape and plane mould with wheel belt and being clamped by both and shaping.In addition, optical surface GRa is not limited to circle, also can be square.
Figure 12 is the cut-open view of the holding device 10 keeping diffraction grating GR.Holding device 10 has the structure identical with the embodiment shown in Fig. 4.
When keeping diffraction grating GR, optical surface GRa is configured to opposed with the opening 11d of little square tube 11a, thus the reference field GRb of diffraction grating GR is opposed with the front end of little square tube 11a in the mode with gap slightly.In addition, the exposed division GRc of diffraction grating GR abuts with the upper surface of parts 12, thus is in and covers this elongated hole 12a and form the state of lid.
Here, if make negative pressure pump P-action, then become negative pressure via pipe arrangement H in vent passage 11e and elongated hole 12a, therefore exposed division GRc is attracted, thus compression member 12.So, diffraction grating GR entire lowering, thus reference field GRb abuts with the front end of little square tube 11a.In the above-described state, the axis of holding device 10 is parallel with the optical axis of diffraction grating GR.In addition, if stop negative pressure pump P-and make to return in pipe arrangement H atmospheric pressure, then the spontaneous bounce-back of parts 12 and make diffraction grating GR increase.Release diffraction grating GR can be become from maintenance diffraction grating GR thus, thus can miscellaneous part be replaced by.
Figure 13 observes as the figure of the aperture parts AP of other examples of optical element from lower surface.The exposed division APc that aperture parts AP has the multiple optical surface APa being formed with opening aperture, the reference field being formed at the surrounding of optical surface APa (in Figure 12 shown in shade) APb and spreads radially to the outside of reference field APb.Aperture parts AP such as by be formed the shape corresponding with opening aperture cylinder mould on drip in the same manner as described above black resin material and to be clamped by other plane moulds and shaping.In addition, optical surface APa is not limited to circle.
Figure 14 is the cut-open view of the holding device 10 keeping aperture parts AP, in the position of the XIV-XIV line cutting of Figure 12, aperture parts AP is shown.Holding device 10 has the structure identical with the embodiment shown in Fig. 4.
When keeping aperture parts AP, optical surface APa is configured to opposed with the opening 11d of little square tube 11a, thus the reference field APb of aperture parts AP is opposed with the front end of little square tube 11a in the mode with gap slightly.In addition, the exposed division APc of aperture parts AP abuts with the upper surface of parts 12, thus is in and covers this elongated hole 12a and form the state of lid.
Here, if make negative pressure pump P-action, then become negative pressure via pipe arrangement H in vent passage 11e and elongated hole 12a, therefore exposed division APc is attracted, thus compression member 12.So, aperture parts AP entire lowering, thus reference field APb abuts with the front end of little square tube 11a.In the above-described state, the axis of holding device 10 is parallel with the optical axis of aperture parts AP.In addition, if stop negative pressure pump P-and make to return in pipe arrangement H atmospheric pressure, then the spontaneous bounce-back of parts 12 and make aperture parts AP increase.Become release aperture parts AP from maintenance aperture parts AP thus, thus can miscellaneous part be replaced by.
Below, unification is described the preferred implementation of holding device.
In above-mentioned holding device, above-mentioned exposed division is adsorbed in above-mentioned second maintaining part by making above-mentioned second maintaining part side be negative pressure by preferred above-mentioned force application mechanism.Thus, the space opening of the surrounding of above-mentioned optical element, thus degree of freedom during optical element location improves.Wherein, above-mentioned force application mechanism is not limited to and uses the mechanism of negative pressure, also can utilize electrostatic, spring exerts a force.
In addition, preferably above-mentioned second maintaining part has the parts of the energy compression deformation possessing vent passage.Under the state of parts above-mentioned exposed division being placed in the compression deformation of above-mentioned energy, make above-mentioned part innerside be negative pressure, thus above-mentioned exposed division can be attracted via above-mentioned vent passage, can atmospheric pressure be used and keep above-mentioned optical element by above-mentioned second maintaining part.
In addition, the parts of preferred above-mentioned energy compression deformation are made up of the material more soft than above-mentioned optical element.If above-mentioned exposed division be placed in the parts of above-mentioned energy compression deformation and attract this exposed division, then above-mentioned part distortion and copy the profile of above-mentioned exposed division, therefore the friction force of above-mentioned optical element and above-mentioned second maintaining part significantly increases, thus can overcome unexpected external force and realize reliable maintenance.In addition, if above-mentioned can the hardness of parts of compression deformation be such as can use pen. (JISK2207), Shore hardness carries out the grade measured, then can do one's utmost the distortion suppressing the above-mentioned optical element kept, therefore preferably.In addition, the parts of compression deformation can have the recovery of shape restored because of the removal of external force if above-mentioned, then can Reusability, therefore preferably.
In addition, preferred above-mentioned material is made up of any one in polyurethane, isocyanurate foam, polyurethane, Silica hydrogel, silicon sponge, silicon rubber, polypropylene, natural rubber, petroleum-type rubber and foamed styrene.Above-mentioned material has by applying external force and can compression deformation and the recovery of shape restored because of the removal of external force, be therefore suitable for use as above-mentioned can the material of parts of compression deformation.
In addition, preferred above-mentioned optical element is that the mode making optical axis different is configured with the array lens of multiple lens, the lens with single optical axis, optical filter, diffraction grating or aperture parts.There is the situation producing above-mentioned exposed division in above-mentioned optical element, can be kept well by the holding device of present embodiment when using mould molding.
In addition, preferred above-mentioned optical element is formed after the glass utilizing mold cramping as the melting of above-mentioned optics, by the glass of the above-mentioned melting of solidification.In the optical element formed by utilizing the glass of mold cramping melting, there is the situation producing above-mentioned exposed division, can be kept well by holding device of the present invention.
In addition, the thickness of preferred above-mentioned optical element is below 1.2mm.Particularly when the thickness of above-mentioned optical element is below 1.2mm very thin, be difficult to be held by the side of above-mentioned optical element, therefore can be kept well by holding device of the present invention.
In addition, preferably have and open ロ for what pass through through the light beam of above-mentioned optical element under the state keeping above-mentioned optical element, above-mentioned second maintaining part is configured at around above-mentioned opening.If above-mentioned holding device has the opening passed through for the light beam through above-mentioned optical element, then above-mentioned light beam can be used to measure position, the optical property of the optical surface of above-mentioned optical element.In addition, if above-mentioned second maintaining part is configured at around above-mentioned opening, then position measurement etc. can be carried out under the state stablizing above-mentioned optical element.
The present invention is not limited to the embodiment described in this instructions, the embodiment described in this instructions, technological thought, and for those skilled in the art of this area, the situation comprising other embodiment/variation is also obvious.Such as, holding device of the present invention also can be installed on apparatus for assembling, determinator.
Claims (12)
1. a holding device, it keeps optical element, this optical element has the exposed division that the transfer printing by mould is formed at the optical surface of optical material and reference field and is formed further by utilizing described mould to extrude described optical material, and the feature of described holding device is, has:
Load the first maintaining part of described reference field;
Load the second maintaining part of the energy compression deformation of described exposed division; And
With the force application mechanism that the mode making described reference field abut with described first maintaining part exerts a force towards described second maintaining part to described exposed division.
2. holding device according to claim 1, is characterized in that,
Described exposed division is adsorbed in described second maintaining part by making described second maintaining part side become negative pressure by described force application mechanism.
3. holding device according to claim 2, is characterized in that,
Described second maintaining part has the parts of energy compression deformation, and the parts of this energy compression deformation possess vent passage.
4. holding device according to claim 3, is characterized in that,
The parts of described energy compression deformation are made up of the material more soft than described optical element.
5. holding device according to claim 4, is characterized in that,
Described material is made up of any one in polyurethane, isocyanurate foam, polyurethane, Silica hydrogel, silicon sponge, silicon rubber, polypropylene, natural rubber, petroleum-type rubber and foamed styrene.
6. holding device according to claim 1, is characterized in that,
Described optical element is that the mode making optical axis different is configured with the array lens of multiple lens, the lens with single optical axis, optical filter, diffraction grating or aperture parts.
7. holding device according to claim 1, is characterized in that,
Described optical element by utilize mold cramping as the glass of the melting of described optics Post RDBMS described in melting glass and formed.
8. holding device according to claim 1, is characterized in that,
The thickness of described optical element is below 1.2mm.
9. holding device according to claim 1, is characterized in that,
Have for the opening that the light beam through described optical element passes through under the state maintaining described optical element, described second maintaining part is configured at around described opening.
10. a manufacturing installation for optical unit, it possesses the holding device according to any one of claim 1 ~ 9,
The feature of the manufacturing installation of described optical unit is,
Under the state that at least one party in two optical elements is kept by described holding device, make described optical element mutually opposing and position, and then described optical element is interfixed.
The manufacture method of 11. 1 kinds of optical units, it uses the holding device according to any one of claim 1 ~ 9,
The feature of the manufacture method of described optical unit is,
Under the state that at least one party in two optical elements is kept by described holding device, make described optical element mutually opposing and position, and then described optical element is interfixed.
12. 1 kinds of optical units, are characterised in that,
It is manufactured by manufacture method according to claim 11 and obtains.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-055871 | 2014-03-19 | ||
| JP2014055871A JP2015178197A (en) | 2014-03-19 | 2014-03-19 | Holding device, method for manufacturing optical unit, and optical unit |
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| CN104932076A true CN104932076A (en) | 2015-09-23 |
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| JP (1) | JP2015178197A (en) |
| CN (1) | CN104932076A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016186580A (en) * | 2015-03-27 | 2016-10-27 | キヤノン株式会社 | Lens array unit, image forming apparatus, and manufacturing method of lens array unit |
| CN109375331A (en) * | 2018-11-21 | 2019-02-22 | 中国科学院上海技术物理研究所 | A kind of vertical solidification equipment of multi lens array optical axis |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1575395A (en) * | 2001-10-24 | 2005-02-02 | 皇家飞利浦电子股份有限公司 | Optical element with foil held by underpressure, method of manufacture, and display unit with such element |
| US7609464B2 (en) * | 2006-08-17 | 2009-10-27 | Carl Zeiss Smt Ag | Holding device for an optical element with support force equalization |
| JP2013037758A (en) * | 2011-02-16 | 2013-02-21 | Konica Minolta Advanced Layers Inc | Method for manufacturing optical element and optical element |
| CN103140341A (en) * | 2010-09-30 | 2013-06-05 | 柯尼卡美能达先进多层薄膜株式会社 | Method for producing optical element |
| CN103443685A (en) * | 2011-03-28 | 2013-12-11 | 柯尼卡美能达株式会社 | Image pickup lens unit manufacturing method and image pickup lens unit |
-
2014
- 2014-03-19 JP JP2014055871A patent/JP2015178197A/en active Pending
-
2015
- 2015-03-18 CN CN201510119028.1A patent/CN104932076A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1575395A (en) * | 2001-10-24 | 2005-02-02 | 皇家飞利浦电子股份有限公司 | Optical element with foil held by underpressure, method of manufacture, and display unit with such element |
| US7609464B2 (en) * | 2006-08-17 | 2009-10-27 | Carl Zeiss Smt Ag | Holding device for an optical element with support force equalization |
| CN103140341A (en) * | 2010-09-30 | 2013-06-05 | 柯尼卡美能达先进多层薄膜株式会社 | Method for producing optical element |
| JP2013037758A (en) * | 2011-02-16 | 2013-02-21 | Konica Minolta Advanced Layers Inc | Method for manufacturing optical element and optical element |
| CN103443685A (en) * | 2011-03-28 | 2013-12-11 | 柯尼卡美能达株式会社 | Image pickup lens unit manufacturing method and image pickup lens unit |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016186580A (en) * | 2015-03-27 | 2016-10-27 | キヤノン株式会社 | Lens array unit, image forming apparatus, and manufacturing method of lens array unit |
| CN109375331A (en) * | 2018-11-21 | 2019-02-22 | 中国科学院上海技术物理研究所 | A kind of vertical solidification equipment of multi lens array optical axis |
| CN109375331B (en) * | 2018-11-21 | 2023-07-04 | 中国科学院上海技术物理研究所 | Multi-lens array optical axis vertical curing device |
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|---|---|
| JP2015178197A (en) | 2015-10-08 |
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Application publication date: 20150923 |