CN106365417A - Method for mass production of aspheric or spherical optical elements - Google Patents
Method for mass production of aspheric or spherical optical elements Download PDFInfo
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- CN106365417A CN106365417A CN201510436416.2A CN201510436416A CN106365417A CN 106365417 A CN106365417 A CN 106365417A CN 201510436416 A CN201510436416 A CN 201510436416A CN 106365417 A CN106365417 A CN 106365417A
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- glass
- aspheric surface
- spherical
- optics element
- aspheric
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Abstract
The present invention discloses a method for mass production of aspheric or spherical optical elements. The method is characterized by comprising: 1, producing an aspheric or spherical mold from a single crystal material through a conventional glass processing technology, and placing the mold on a temperature control bottom plate having a temperature control device; 2, melting a required glass material into a liquid and pouring onto the mold, or melting the required glass to achieve a glass state temperature and imprinting the mold into a liquid glass solution, and carrying out cooling molding through different glass material annealing processes; and 3, removing the mold at the temperature of less than the glass state temperature, and continuously carrying out cooling molding to obtain the aspheric or spherical molds in a mass manner. According to the present invention, with the method, the high efficiency and the high quality aspheric and spherical optical element production can be achieved, and the production cost of the aspheric and spherical optical elements can be substantially reduced.
Description
Technical field
The present invention relates to sphere and aspheric surface manufacture technology field, more particularly, to a kind of employing crystalline material is batch making aspheric surface or the method for spherical optics element.
Background technology
Sphere and aspheric surface are made for raw material with optical glass, routine techniquess are typically only capable to single making, make efficiency is low, high cost, and seldom the temperature-sensitive glass of species can be imprinted with forming technique batch production sphere and aspheric surface, but it is constrained to the unicity of temperature-sensitive glass and most of occasions can not be met and use.
Conventional glass imprinting moulding mould is superhard alloy material, the roughness impact of inevitable alloy mold machining itself, and metal die is susceptible to the defect that metal ion is diffused into glass surface under the high temperature conditions.If overcoming these difficult and being imprinted with or the sphere of the various optical material of Liquid molding techniques batch making and non-spherical element, need to find a kind of can easy processing material high temperature resistant and that there is optical surface making mould.2100 DEG C of artificial-synthetic crystal's yvo4(fusing point), 2220 DEG C of yag(fusing point) monocrystal silicon (1600 DEG C of fusing point) high-melting-point and possess processing characteristics as same category of glass in itself, the unquestionable perfect succedaneum becoming superhard alloy mould.
Content of the invention
Present invention aim at for most of glass melting point high cannot imprinting moulding technology deficiency, a kind of batch making aspheric surface or the method for spherical optics element are proposed.
The invention of this reality employs the following technical solutions to realize: a kind of method of batch making aspheric surface or spherical optics element is it is characterised in that comprise the steps:
Step 1: monocrystal material is produced aspheric surface or spherical mould by Conventional glass process technology, and mould is placed on the temperature control base plate with attemperating unit；
Step 2: required glass material is melt into liquid castable on mould or first by required glass melting to glassy state temperature, then by die marks to liquid glass solution；By the annealing process cooling shaping of different glass material；
Step 3: withdraw mould when less than glassy state temperature, then proceed to cooling shaping batch and obtain aspheric surface or spherical optics element.
Preferably, described monocrystal material can be the monocrystal material of the artificial or natural product such as yvo4, yag, monocrystal silicon.
Preferably, described melten glass can be with any kind of optical glass or crystalline material.
Preferably, described die surface can carry out various modification plated films such as stripping performance, anti-Acidity of Aikalinity energy, improve life-span etc..
Preferably, the described temperature control base plate with attemperating unit can be metal or ceramic bottom board.
Using above-mentioned technology, the method of batch making aspheric surface of the present invention or spherical optics element have the beneficial effect that the inventive method breaches traditional optical glass can not can reach the optical grade surface of traditional processing with liquation cast or imprinting moulding method batch production again simultaneously；
The making of high efficiency, high-quality aspheric surface and spherical optics element can be realized, substantially reduce aspheric surface and the cost of manufacture of spherical optics element.
Brief description
Fig. 1 is convex aspheric surface (sphere) mould schematic diagram in the embodiment of the present invention 1；
Fig. 2 is Fig. 1 glass melts moulding by casting schematic diagram；
Fig. 3 is the embodiment of the present invention 2 concave surface aspheric surface (sphere) imprinting moulding schematic diagram；
Wherein: 101,201,301 aspheric surface (sphere) mould；102nd, 202, the 302 temperature control base plate with attemperating unit；203rd, 304 optical glass liquations, 303, hold the device of optical glass solution.
Specific embodiment
The present invention is further detailed explanation with specific embodiment below in conjunction with the accompanying drawings.
Embodiment 1, as shown in Figure 1 and Figure 2:
Step 1: crystal Mold Making is (such as: 101,201,301): with monocrystalline yvo4 as raw material, pattern according to Design Theory adopts conventional optics manufacture method to make aspherical module, and on mould plated film, increase die surface antiacid alkali ability and with quartz glass non-stick；
Step 2: optical glass liquation make (as Figure 20 3,304): using quartz glass pearl be raw material, be melting into liquid in platinum crucible；Crystal mould is placed on the metallic plate possess accurate temperature control fixing, is then heated to slightly above quartz glass state thermostatic.
Step 3: quartz glass liquation is cast in molding on monocrystalline yvo4 mould, required quartz crystal aspheric surface be can get according to certain programmed cooling annealing by accurate temperature control.
Embodiment 2
As shown in Figure 3, if the optical element of concave surface aspheric surface (sphere) need to be produced, only need to be by the glass melting being contained in the device 303 holding optical glass solution to glassy state temperature, then mould 301 is stamped in liquid glass solution, can get the optical element of required concave surface aspheric surface (sphere) by accurate temperature control according to certain programmed cooling annealing.
Although specifically showing in conjunction with preferred embodiment and describing the present invention; but those skilled in the art should be understood that; in the spirit and scope of the present invention being limited without departing from appended claims; in the form and details the present invention is made a variety of changes, be protection scope of the present invention.
Claims (6)
1. a kind of method of batch making aspheric surface or spherical optics element is it is characterised in that comprise the steps:
Step 1: monocrystal material is produced aspheric surface or spherical mould by Conventional glass process technology, and mould is placed on the temperature control base plate with attemperating unit；
Step 2: required glass material is melt into liquid castable on mould or first by required glass melting to glassy state temperature, then by die marks to liquid glass solution；By the annealing process cooling shaping of different glass material；
Step 3: withdraw mould when less than glassy state temperature, then proceed to cooling shaping batch and obtain aspheric surface or spherical optics element.
2. the method for a kind of batch making aspheric surface according to claim 1 or spherical optics element is it is characterised in that described monocrystal material is artificial single crystal material or natural single crystal material.
3. the method for a kind of batch making aspheric surface according to claim 1 or spherical optics element is it is characterised in that described artificial single crystal material is yvo4, yag or monocrystal silicon.
4. the method for a kind of batch making aspheric surface according to claim 1 or spherical optics element is it is characterised in that described melten glass is optical glass or crystalline material.
5. the method for a kind of batch making aspheric surface according to claim 1 or spherical optics element is it is characterised in that described die surface is modified plated film.
6. the method for a kind of batch making aspheric surface according to claim 1 or spherical optics element is it is characterised in that the described temperature control base plate with attemperating unit is metal or ceramic bottom board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510436416.2A CN106365417A (en) | 2015-07-23 | 2015-07-23 | Method for mass production of aspheric or spherical optical elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510436416.2A CN106365417A (en) | 2015-07-23 | 2015-07-23 | Method for mass production of aspheric or spherical optical elements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106365417A true CN106365417A (en) | 2017-02-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510436416.2A Pending CN106365417A (en) | 2015-07-23 | 2015-07-23 | Method for mass production of aspheric or spherical optical elements |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111975464A (en) * | 2020-07-24 | 2020-11-24 | 上海航天控制技术研究所 | Optical part machining method and system |
| CN112408757A (en) * | 2020-11-25 | 2021-02-26 | 荆州市兴斌新材料有限公司 | Porcelain box for optical glass processing and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60180926A (en) * | 1984-02-29 | 1985-09-14 | Ohara Inc | Mold for press-molding highly accurate glass molded article |
| EP0573020A1 (en) * | 1992-06-04 | 1993-12-08 | Matsushita Electric Industrial Co., Ltd. | Method of manufacturing molded glass |
| CN101468871A (en) * | 2007-10-26 | 2009-07-01 | 株式会社小原 | Preform production apparatus for precision press molding, production method of a preform for precision press molding and production method of an optical element |
| US8083974B2 (en) * | 2003-07-04 | 2011-12-27 | Seiko Epson Corporation | Manufacturing method of lens array |
-
2015
- 2015-07-23 CN CN201510436416.2A patent/CN106365417A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60180926A (en) * | 1984-02-29 | 1985-09-14 | Ohara Inc | Mold for press-molding highly accurate glass molded article |
| EP0573020A1 (en) * | 1992-06-04 | 1993-12-08 | Matsushita Electric Industrial Co., Ltd. | Method of manufacturing molded glass |
| US8083974B2 (en) * | 2003-07-04 | 2011-12-27 | Seiko Epson Corporation | Manufacturing method of lens array |
| CN101468871A (en) * | 2007-10-26 | 2009-07-01 | 株式会社小原 | Preform production apparatus for precision press molding, production method of a preform for precision press molding and production method of an optical element |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111975464A (en) * | 2020-07-24 | 2020-11-24 | 上海航天控制技术研究所 | Optical part machining method and system |
| CN112408757A (en) * | 2020-11-25 | 2021-02-26 | 荆州市兴斌新材料有限公司 | Porcelain box for optical glass processing and manufacturing method thereof |
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Application publication date: 20170201 |
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