CN102529286A - A method for producing an optical element, and an optical element produced by the method - Google Patents
A method for producing an optical element, and an optical element produced by the method Download PDFInfo
- Publication number
- CN102529286A CN102529286A CN2011103027040A CN201110302704A CN102529286A CN 102529286 A CN102529286 A CN 102529286A CN 2011103027040 A CN2011103027040 A CN 2011103027040A CN 201110302704 A CN201110302704 A CN 201110302704A CN 102529286 A CN102529286 A CN 102529286A
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- China
- Prior art keywords
- optical element
- substrates
- resin
- glass
- crystal
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/06—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the phase of light
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/18—Diffraction gratings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polarising Elements (AREA)
- Optical Elements Other Than Lenses (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Joining Of Glass To Other Materials (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
The invention provides a method for producing an optical element, and an optical element produced by the method, wherein the surfaces of any two substrates of glass, resin or crystal materials are subjected to hydrophilization treatment so as to enable the above two processed surfaces to cling to each other. Then the substrates are heated at 50 DEG C-150 DEG C and are pressurized under the pressure of 1-10 MPa. Then the substrates are bonded without the adoption of adhesive and bonding films so as to manufacture optical elements.
Description
Technical field
The present invention relates to the manufacturing approach of optical element and the optical element of making through this method.For example, the birefringent material that the present invention relates to use with polarizer and the manufacturing approach of supporting substrate as optical pickup unit.Relate in particular to optical elements such as the phase difference optical element of making through this method, diffraction element, prism, lens.
Background technology
Birefringent material such as phase-contrast film or quartz wafer can be used as optical pickup unit and uses with polarizer.
And; In all available optical pickup unit of DVD (registration mark), CD (registration mark) or Blu-ray_Disc (registration mark); When the light time of in same optical system, using the multi-wavelength; Use polarizer, this polarizer is made through range upon range of many birefringent materials with any phase difference, and the multi-wavelength is worked.
In employed polarizer, well-known when for example fixing bases such as phase-contrast film and glass being engaged, can use disclosed adhesive or binding material in No. 3458895 communique of Japan Patent.
And, well-known when phase-contrast film being engaged with each other in order to make laminated phase plate, can use disclosed joining technique in the open 2001-277433 communique of Japan Patent.
Optical pickup unit with polarizer in, during the joint method in using, put down in writing,, possibly cause the transmitted wave aberration characteristic deterioration that should satisfy as polarizer because the coating film thickness of adhesive is inhomogeneous like No. 3458895 communique of Japan Patent.And, with regard to light transmission, receive the influence of the refringence of polarizer and adhesive, cause transmissivity to reduce.
In addition, in reliability tests such as humid test, problem such as may take place that adhesive is peeled off can cause that also quality descends.
And; In the joint method of putting down in writing in the open 2001-277433 communique of Japan Patent; Owing to an organic solvent weld as welding flux, therefore have residual solvent in the product after manufacturing, possibly exist through the time deterioration and cause the hidden danger that quality descends.And owing to use the material of contaminated environment, therefore this method is not preferred manufacturing approach.
Summary of the invention
The object of the present invention is to provide and a kind ofly do not use adhesive, junction film etc., but optical element manufacturing approach that can joining two parts under the situation of keeping transmitted wave aberration characteristic or transmissivity, moisture-proof and the optical element that uses this method to make.
Solution of the present invention is as the record in claims.
In a preferred implementation of the present invention; Hydrophilicity-imparting treatment is carried out on surface to two substrates being formed by any material in glass, resin, the crystal; So that the surface of two substrates has hydroxy; The surface of two substrates that formed by any material in glass, resin, the crystal is close to each other, it is positioned on the smooth base material, use heat-resistant resin and rubber-like parts to clamp from upside; Under 50 ℃～150 ℃, heat; And the pressure with 1～10MPa pressurizes, thus the surface of two substrates that form by any material in glass, resin, the crystal, through engaging with the covalent bond of the oxygen on surface or with the hydrogen bond of oxygen.That is, the surface of two substrates engages under the situation of not using adhesive, junction film.
And; Optical element of the present invention carries out hydrophilicity-imparting treatment to the surface of any two substrates in glass, resin, the crystal, so that the surface of two substrates has hydroxy; The surface of two substrates that formed by any material in glass, resin, the crystal is close to each other; It is positioned on the smooth base material, uses heat-resistant resin and rubber-like parts to clamp, under 50 ℃～150 ℃, heat from upside; And the pressure with 1～10MPa pressurizes, thereby under the situation of not using adhesive, junction film, is engaged.Its result, the surface of two substrates that formed by any material in glass, resin, the crystal is through engaging with the covalent bond of the oxygen on surface or with the hydrogen bond of oxygen.
And above-mentioned optical element is preferably a kind of in polarizer, diffraction element, prism, the lens.
According to the present invention; Hydrophilicity-imparting treatment is carried out on surface to be joined to parts such as resin, glass, crystals, so that there is hydroxy on the surface, is positioned on the smooth base material after parts are close to each other; Use heat-resistant resin and the pressurization of rubber-like parts from upside, parts are engaged with each other.
In the present invention, generally do not need adhesive, binding agent, junction film etc.Therefore, never exist because the situation that the coating film thickness membrane thickness unevenness inhomogeneous or binding material of adhesive causes, the transmitted wave aberration characteristic that should satisfy as polarizer worsens.
And, about light transmission, when engaging same base material, compare with the situation of using adhesive, owing to there is not the layer with refringence, therefore the problem that transmissivity descends can not take place.
Especially, in the reliability test of humid test etc., situation such as peeling off of adhesive will not take place also, can keep high-quality.
And, and with an organic solvent compare as the joint method of welding flux, according to the present invention, can not take place that residual solvent causes through the time deterioration problem, and material that can the exhaust emission environment.
And; For example use the polarizer of resin phase-contrast film or used the bond polarizer of quartzy polarizer of adhesive or binding material such; In parts, use the polarizer of organic material, when the irradiation of the laser that receives the BD wavelength, may cause organic material partly to produce deterioration; But this deterioration problem will not take place in the quartzy polarizer through manufacturing approach of the present invention is made.
Description of drawings
Fig. 1 is the key diagram to the state of surface treated base material.
Fig. 2 is the key diagram to the deployment scenarios of each parts in when pressurization.
Fig. 3 is the key diagram to the engagement state after heating, the pressurization.
The specific embodiment
With reference to accompanying drawing, be the situation of polarizer for optical element, especially, describe for the situation that the phase-contrast film (polarizer) that is made up of resin is engaged with each other.
Explanation is made the preparation method of phase difference optical element through phase-contrast film (polarizer) is engaged with each other below.
Prepare to constitute two phase-contrast films 1,2 of phase difference optical element.
As the material of phase-contrast film 1,2, the copolymer, polymethyl methacrylate (PMMA) that can enumerate the copolymer, Merlon (PC) of Merlon (PC), cycloolefin polymer (COP), polystyrene, polyester, polymethyl methacrylate (PMMA), polyvinyl alcohol (PVA), Triafol T (TAC), cellulose acetate and polystyrene (PS) and the copolymer of polystyrene (PS) etc.Cycloolefin polymer (COP) specifically has a word used for translation made by Mitsui Chemicals day (ァ ペ Le, registration mark), the ZEONOR (ゼ ォ ノ ァ, registration mark) that is made by Japanese ZEON, the ARTON (ァ one ト Application) that made by JSR pah.
In the middle of these materials, through engaging the phase-contrast film 1,2 that is made up of commaterial or different materials, manufacturing optical elements is as polarizer.
Among the embodiment that illustrates in the drawings, for example engage the phase-contrast film 1,2 that constitutes by Merlon (PC).
At first, surface treatment is carried out on the surface of the phase-contrast film 1,2 that is made up of Merlon, so that surperficial possess hydrophilic property.As preferable methods be, from the teeth outwards irradiation ultraviolet radiation.Especially, preferred ultraviolet illuminate condition is to use the light of the wavelength region may below the 200nm, with 10mW/cm
2Illumination, the irradiation at least 10 seconds, more preferably shine about 30 seconds.
Through this ultraviolet ray irradiation, airborne oxygen and the ozone and the action of ultraviolet radiation that produce by oxygen through the ultraviolet ray irradiation, thus produce active oxygen.This active oxygen carries out modification to the surface of phase-contrast film 1,2.Its result, phase-contrast film 1,2 becomes the state shown in Fig. 1, becomes the surface state that is fit to engage.
As ultraviolet light source, the preferred Excimer lamp with 172nm open-wire line that uses also can use Cooper-Hewitt lamp, xenon lamp, deuterium lamp.
And, when substrate surface irradiation plasma, also can carry out same surface modification, for example, when shining the plasma that takes place by atmospheric pressure plasma generator, also can carry out hydrophilicity-imparting treatment to the surface.
And,, therefore also can adopt the method for the electron beam about irradiation number nanometer to tens nanometer owing to use the light below the 200nm to get final product.
Secondly, make through above-mentioned surface-treated face to contact with each other, heat and pressurized treatments.At this moment, the effective scope of heating-up temperature about 50 ℃ to 150 ℃, most preferred temperature is about 80 ℃.Effectively exert pressure in the scope of 1～10MPa, most preferred exerting pressure is about 2MPa.The deployment scenarios of each parts when pressurization has been shown among Fig. 2.Clamp the film 3 that the surface-treated face contacts with each other with surface plate 4,5.At the downside plane of arrangement plate 4 of film 3,, clamp film 3 thus at the upside plane of arrangement plate 5 of film 3.
Effectively the most preferred processing time was about 100 seconds 30 seconds～300 seconds scope the processing time.
Through above-mentioned processing, as shown in Figure 3, form on the surface of phase-contrast film 1,2 with the covalent bond of oxygen or with the hydrogen bond of oxygen, phase-contrast film 1,2 can engage each other securely.
The junction surface of phase-contrast film 1,2 is from have following characteristics in appearance.That is, there is not observable tack coat when using adhesive or binding material, can not distort.
Said method not only can be used for the joint between the polycarbonate film, can also be used between the above-mentioned phase-contrast film, or different types of film between joint.
With regard to the combination of the base material that engages, also has the preferred example of following other.
(a) phase-contrast film of resin and glass substrate engages
(b) phase-contrast film of resin and quartz wafer engages
(c) joint between the quartz wafer
The phase-contrast film of resin and the joint applications of glass substrate are in the situation of the thickness of slab of the polarizer of adjustment film.For example, the thickness of single phase-contrast film is about 0.05mm, if engage the glass substrate of 0.5mm, can obtain the thickness of 0.55mm, can also obtain rigidity.
And, when the glass substrate that is engaged is diffraction grating, through engaging, thereby can make the composite optic element that has polarisation function and diffraction function simultaneously with phase-contrast film.When glass substrate is prism, can produce the composite optical element optoisolator function, one with separation polarisation.
With regard to the engaging of the phase-contrast film of resin and quartz wafer, if quartz wafer is a polarizer, then the joint with the phase-contrast film of resin is identical, can be through the range upon range of broad in band that realizes polarizer.
When engaging between the quartz wafer, can make the high polarizer of light resistance to the laser of BD wavelength.
Promptly; For example use the polarizer of resin phase-contrast film or used the bond polarizer of quartzy polarizer of adhesive or binding material such; In parts, use the polarizer of organic material, when the irradiation of the laser that receives the BD wavelength, may cause organic material partly to produce deterioration; But manufacturing method according to the invention, can produce not can be because of the irradiation of the laser of BD wavelength and produce the quartzy polarizer of deterioration.
Claims (8)
1. the manufacturing approach of an optical element is characterized in that, hydrophilicity-imparting treatment is carried out on the surface of any two substrates in glass, resin, the crystal; So that the surface of two substrates has hydroxy; And the treatment surface of any two substrates in glass, resin, the crystal is close to each other, under 50 ℃～150 ℃, is heated then, pressurize with the pressure of 1～10MPa; Under the situation of not using adhesive, junction film, engage manufacturing optical elements thus.
2. the manufacturing approach of optical element according to claim 1; It is characterized in that; On smooth base material, place the optical element of the state that the treatment surface of any two substrates in glass, resin, the crystal is close to each other, use heat-resistant resin and rubber-like parts to pressurize from the upside of optical element.
3. the manufacturing approach of optical element according to claim 1 and 2 is characterized in that, said optical element is any one in polarizer, diffraction element, prism, the lens.
4. the manufacturing approach of optical element according to claim 1 and 2 is characterized in that, the surface of any two substrates in glass, resin, the crystal is through engaging with the covalent bond of the oxygen on surface or with the hydrogen bond of oxygen.
5. optical element; It is characterized in that, hydrophilicity-imparting treatment is carried out on the surface of any two substrates in glass, resin, the crystal, so that the surface of two substrates has hydroxy; And the treatment surface of any two substrates in glass, resin, the crystal is close to each other; Under 50 ℃～150 ℃, heat then, pressurize, under the situation of not using adhesive, junction film, be engaged thus with the pressure of 1～10MPa.
6. optical element according to claim 5; It is characterized in that; The state of being close to each other with the treatment surface of any two substrates in glass, resin, the crystal is positioned on the smooth base material, and side is used heat-resistant resin and rubber-like parts to pressurize and is engaged from it.
7. according to claim 5 or 6 described optical elements, it is characterized in that said optical element is any one in polarizer, diffraction element, prism, the lens.
8. according to claim 5 or 6 described optical elements, it is characterized in that the surface of any two substrates in glass, resin, the crystal is through being engaged with the covalent bond of the oxygen on surface or with the hydrogen bond of oxygen.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010221852A JP5501918B2 (en) | 2010-09-30 | 2010-09-30 | Optical element manufacturing method and optical element produced by the method |
| JP2010-221852 | 2010-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102529286A true CN102529286A (en) | 2012-07-04 |
Family
ID=46136608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103027040A Pending CN102529286A (en) | 2010-09-30 | 2011-09-28 | A method for producing an optical element, and an optical element produced by the method |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP5501918B2 (en) |
| KR (1) | KR20120033984A (en) |
| CN (1) | CN102529286A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102933024A (en) * | 2011-08-11 | 2013-02-13 | 大自达电线股份有限公司 | Printed wiring board and method of manufacturing same |
| CN107431746A (en) * | 2015-11-24 | 2017-12-01 | 索尼半导体解决方案公司 | Camera model and electronic equipment |
| CN110087870A (en) * | 2017-01-26 | 2019-08-02 | 索尼半导体解决方案公司 | Lens arrangement, its manufacturing method and electronic equipment is laminated |
| US11454746B2 (en) | 2017-01-26 | 2022-09-27 | Sony Semiconductor Solutions Corporation | Laminated lens structure and method of manufacturing the same, and electronic apparatus |
| US11675111B2 (en) | 2020-07-17 | 2023-06-13 | Ford Global Technologies, Llc | Vehicle sensor assembly |
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| EP3208070A4 (en) * | 2014-10-15 | 2018-06-06 | USHIO Denki Kabushiki Kaisha | Workpiece bonding method |
| US9946084B2 (en) * | 2015-08-10 | 2018-04-17 | Corning Incorporated | Methods for making optical devices |
| JP2017177519A (en) * | 2016-03-30 | 2017-10-05 | 株式会社トプコン | Method for joining member and optical element produced by the method |
| JP6752611B2 (en) * | 2016-04-28 | 2020-09-09 | エルジー ディスプレイ カンパニー リミテッド | Electro-optic panel and its manufacturing method |
| JP7096476B2 (en) * | 2017-10-06 | 2022-07-06 | 日亜化学工業株式会社 | Manufacturing method of semiconductor laser device |
| JP2020184037A (en) | 2019-05-09 | 2020-11-12 | 株式会社日本製鋼所 | Wavelength plate, manufacturing method of wavelength plate, and optical device |
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| WO2021260813A1 (en) * | 2020-06-24 | 2021-12-30 | 三菱重工業株式会社 | Joining method |
| CN112230316B (en) * | 2020-09-30 | 2022-06-07 | 南京星隐科技发展有限公司 | Transmission structure, optical device and optical system |
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| JP2002011791A (en) * | 2000-06-29 | 2002-01-15 | Kinugawa Rubber Ind Co Ltd | Pressure molding device |
| JP2005068236A (en) * | 2003-08-21 | 2005-03-17 | Amt Kenkyusho:Kk | Biaxially stretched saturated polyester-based film, its manufacturing process, laminate and its manufacturing process |
| CN1756647A (en) * | 2003-03-07 | 2006-04-05 | 株式会社可乐丽 | Method for adhering plastic |
| CN101495582A (en) * | 2006-07-13 | 2009-07-29 | 阿尔卑斯电气株式会社 | Method of bonding resins by light irradiation and process for producing resin article |
| JP2010037162A (en) * | 2008-08-06 | 2010-02-18 | Tss Kk | Method for manufacturing joining member |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011020905A (en) * | 2009-07-17 | 2011-02-03 | Tss Kk | Method for manufacturing bonded member |
-
2010
- 2010-09-30 JP JP2010221852A patent/JP5501918B2/en active Active
-
2011
- 2011-09-22 KR KR1020110095598A patent/KR20120033984A/en not_active Application Discontinuation
- 2011-09-28 CN CN2011103027040A patent/CN102529286A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002011791A (en) * | 2000-06-29 | 2002-01-15 | Kinugawa Rubber Ind Co Ltd | Pressure molding device |
| CN1756647A (en) * | 2003-03-07 | 2006-04-05 | 株式会社可乐丽 | Method for adhering plastic |
| JP2005068236A (en) * | 2003-08-21 | 2005-03-17 | Amt Kenkyusho:Kk | Biaxially stretched saturated polyester-based film, its manufacturing process, laminate and its manufacturing process |
| CN101495582A (en) * | 2006-07-13 | 2009-07-29 | 阿尔卑斯电气株式会社 | Method of bonding resins by light irradiation and process for producing resin article |
| JP2010037162A (en) * | 2008-08-06 | 2010-02-18 | Tss Kk | Method for manufacturing joining member |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102933024A (en) * | 2011-08-11 | 2013-02-13 | 大自达电线股份有限公司 | Printed wiring board and method of manufacturing same |
| CN102933024B (en) * | 2011-08-11 | 2017-06-16 | 大自达电线股份有限公司 | The manufacture method of printed circuit board (PCB) and printed circuit board (PCB) |
| CN107431746A (en) * | 2015-11-24 | 2017-12-01 | 索尼半导体解决方案公司 | Camera model and electronic equipment |
| CN107431746B (en) * | 2015-11-24 | 2021-12-14 | 索尼半导体解决方案公司 | Camera module and electronic device |
| CN110087870A (en) * | 2017-01-26 | 2019-08-02 | 索尼半导体解决方案公司 | Lens arrangement, its manufacturing method and electronic equipment is laminated |
| US11454746B2 (en) | 2017-01-26 | 2022-09-27 | Sony Semiconductor Solutions Corporation | Laminated lens structure and method of manufacturing the same, and electronic apparatus |
| US11675111B2 (en) | 2020-07-17 | 2023-06-13 | Ford Global Technologies, Llc | Vehicle sensor assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JP5501918B2 (en) | 2014-05-28 |
| KR20120033984A (en) | 2012-04-09 |
| JP2012076298A (en) | 2012-04-19 |
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Application publication date: 20120704 |