CN101628464B - 压印模仁制造方法 - Google Patents
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- CN101628464B CN101628464B CN200810302721.2A CN200810302721A CN101628464B CN 101628464 B CN101628464 B CN 101628464B CN 200810302721 A CN200810302721 A CN 200810302721A CN 101628464 B CN101628464 B CN 101628464B
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- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
- B29C33/424—Moulding surfaces provided with means for marking or patterning
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
- B29C33/3857—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts
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- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
- B29C33/3857—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts
- B29C33/3878—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts used as masters for making successive impressions
- B29C33/3885—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts used as masters for making successive impressions the mould parts being co-operating impressions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2011/00—Optical elements, e.g. lenses, prisms
- B29L2011/0016—Lenses
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
一种压印模仁制造方法，其包括以下步骤：提供一个模仁粗坯，所述模仁粗坯具有成型面和围绕所述成型面的周边部；在所述成型面和周边部上形成镀膜层，并将所述镀膜层雾化处理；超精密加工所述成型面以形成模仁；在塑料基板上利用模仁压印得到主模仁，所述主模仁具有阵列排列的图案；利用主模仁压印得到压印模仁。
Description
技术领域
本发明涉及一种压印模仁制造方法。
背景技术
现今手机发展的趋势为将多功能整合在手机中，如个人数码助理（PDA）、数码相机等，其中，又以整合数码相机之手机为目前市场主流机种。手机数码相机模块的组成主要为光学透镜模块以及感光模块，以实现影像记录之目的。市面上手机数码相机所用的镜头中，大部分采用塑料射出非球面镜片，可在有限的小空间中，实现高质量光学镜头。
目前最新的数码相机镜头模块制作方式，乃是采用与半导体制程相整合之镜片堆栈方式，其制程方式与一般塑料射出镜片不同，主要是利用模仁压印技术，利用非球面镜片膜仁在半固态的胶状光学塑料上压印出非球面镜片，后再利用热固化或者UV光固化，使非球面镜片定型，然后再以堆栈方式将镜片堆栈形成镜头，并且与后段影像处理器封装制程整合，其制程之优点在于可大量生产光学镜头模块。
目前使用压印镜片的方式主要有两种：一种是利用单一金属加工模仁，以X-Y方向在待压印的塑料上水平移动，以制造出镜片的阵列，金属模仁压印完成后，此为主模具（master mold），利用此主模具在转印一次，即形成工作模具（working mold），最后利用此工作模具对光学塑料进行压印。另一种为压印的模仁为具有镜片的阵列，一次压印就可在塑料制造出镜片的阵列，可一次压印完成主模具。两种方式的优缺点在于：单一模仁的制作容易，但是在压印时利用X-Y方向移动的精度需要良好的控制，否则将使镜片与镜片间的偏心量增加，并降低镜头的质量。而阵列式的模仁则在模仁的制作难度高及成本皆很高，因此目前大多采用单一模仁水平移动压印的方式生产镜头。
而压印时因超机密加工制造非球面镜片，其加工完成之模仁于非球面外，为因应机构设计，以及加工中心校正，通常会有一光滑平面，利用此模仁进行压印时，亦在压印成品上产生一光滑平面，而此光滑平面，容易造成光线于镜片间反射，并且有机会成像于影像传感器上，而形成眩光，造成影像质量下降。
发明内容
有鉴于此，提供一种用来制造可减少眩光镜片的压印模仁的制造方法实为必要。
一种压印模仁制造方法，包括步骤：提供一个模仁粗坯，其具有成型面和围绕所述成型面的周边部；在成型面和周边部上形成镀膜层，并将镀膜层雾化处理；超精密加工成型面以形成模仁；在塑料基板上利用模仁压印得到主模仁，所述主模仁具有阵列排列的图案；利用主模仁压印得到压印模仁。
与现有技术相比，本发明的压印模仁由于具有粗糙面可使得制造出的镜片具有粗糙表面，粗糙表面可使光线散射，降低杂散光之强度，避免或减少杂散光进入镜片的光学部并成像在影像感测器上，进而可提高镜头之光学质量。
附图说明
图1是本发明实施例模仁粗坯的示意图。
图2是本发明实施例模仁粗坯上形成镀膜层并粗糙镀膜层的示意图。
图3是本发明实施例模仁粗坯进行再加工以形成模仁的示意图。
图4是本发明实施例通过模仁在基板上制备母模仁的示意图。
图5是本发明实施例压印模仁的示意图。
具体实施方式
下面将结合附图，对本发明实施例进行详细描述。
如图1所示，提供模仁粗坯10，其包括本体11，本体11的一端具有成型部分12，成型部分12可由超精密加工技术加工而成，成型部分12包括成型面121和围绕成型面121的外围部分122，成形部121用来成形镜片的光学部，外围部分122用来成形围绕光学部的周边部。成型面121用来成型镜片的一个面，其可以为球面、非球面等。
模仁粗坯10的材料可以为碳化钨(WC)、碳化硅(SiC)、氮化硅(Si3N4)、碳化钛(TiC)或碳化钨-钴合金。
如图2所示，在成型部分12上形成镀膜层13，镀膜层13的材料可以为镍或者铬，其厚度在0.2至0.4毫米之间。
以化学蚀刻方法将镀膜层13雾化处理，使镀膜层13表面为粗糙的表面。
如图3所示，对成型面121进行再一次超精密加工，以形成模仁20。模仁20包括镜片成型部21和边缘部22，边缘部22围绕着镜片成型部21。成型部21的表面为光滑表面，边缘部22的表面为粗糙表面。
如图4及图5所示，采用模仁20在塑料基板30上压印阵列排列之图案31，从而形成一个主模具32，图案31的结构与模仁20的结构相反，然后，利用主模具32压印形成一个与模仁20相同的压印模仁40，最后，利用该压印模仁40可制造出阵列排列的镜片。压印模仁40具有阵列排列的镜片成型部41，镜片成型部41包括光学成型部411和边缘成型部412。光学成型部411的结构与成型部21相同，边缘成型部412的结构与边缘部22相同。
由于，压印模仁40具有表面粗糙的边缘成型部412，可使得制造出的镜片的边缘部具有粗糙表面，粗糙表面可使光线散射，降低杂散光之强度，避免或减少杂散光进入镜片的光学部并成像在影像感测器上，进而可提高镜头之光学成像质量。
另外，对于本领域的普通技术人员来说，可以根据本发明的技术方案和技术构思做出其他各种相应的变化，而所有这些变化都应属于本发明权利要求的保护范围。
Claims (4)
1.一种压印模仁制造方法，其包括以下步骤：
提供一个模仁粗坯，所述模仁粗坯具有成型面和围绕所述成型面的周边部；
在所述成型面和周边部上形成镀膜层，并将所述镀膜层雾化处理；
超精密加工所述成型面以形成模仁；
在塑料基板上利用模仁压印得到主模仁，所述主模仁具有阵列排列的图案；
利用主模仁压印得到压印模仁。
2.如权利要求1所述的压印模仁制造方法，其特征在于：所述镀膜层的材料为镍或者铬。
3.如权利要求1所述的压印模仁制造方法，其特征在于：所述镀膜层的厚度范围为0.2毫米至0.4毫米。
4.如权利要求1所述的压印模仁制造方法，其特征在于：采用化学蚀刻方法将所述镀膜层雾化处理。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810302721.2A CN101628464B (zh) | 2008-07-14 | 2008-07-14 | 压印模仁制造方法 |
| US12/431,659 US8002999B2 (en) | 2008-07-14 | 2009-04-28 | Method for making stamper for press molding optical articles |
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| CN200810302721.2A CN101628464B (zh) | 2008-07-14 | 2008-07-14 | 压印模仁制造方法 |
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| CN101628464B true CN101628464B (zh) | 2013-04-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2008153102A1 (ja) | 2007-06-14 | 2008-12-18 | Aji Co., Ltd. | 造形方法、レンズの製造方法、造形装置、スタンパの製造方法、マスタ製造装置、スタンパ製造システム、及びスタンパ製造装置 |
| CN102914844B (zh) * | 2011-08-02 | 2016-03-02 | 鸿富锦精密工业（深圳）有限公司 | 镜头模组 |
| CN108174066A (zh) * | 2017-12-19 | 2018-06-15 | 广东欧珀移动通信有限公司 | 摄像头的镜头组件、摄像头及电子设备 |
| CN110524116B (zh) * | 2019-08-29 | 2024-05-07 | 辽宁中蓝光电科技有限公司 | 一种提升手机用镜头消杂光性能的激光毛化方法 |
| EP3838544B1 (en) * | 2019-12-17 | 2023-09-20 | Essilor International | Methods, apparatuses, and systems for edge sealing laminate wafers containing a soft deformable inner film |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1402021A (zh) * | 2001-08-07 | 2003-03-12 | 株式会社日立制作所 | 微镜列及转印始模的制法、凹凸模、迭片、漫射板与液晶显示器 |
| CN1826541A (zh) * | 2003-07-24 | 2006-08-30 | 日本瑞翁株式会社 | 抗反射模塑制品及其制造方法 |
| TW200636278A (en) * | 2004-12-03 | 2006-10-16 | Sharp Kk | Antireflection member, optical device, display device, and method for producing stamper, and method for producing antireflection member using stamper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7094304B2 (en) * | 2003-10-31 | 2006-08-22 | Agilent Technologies, Inc. | Method for selective area stamping of optical elements on a substrate |
| US7255438B2 (en) * | 2004-09-30 | 2007-08-14 | Novartis Ag | Pad transfer printing method for making colored contact lenses |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1402021A (zh) * | 2001-08-07 | 2003-03-12 | 株式会社日立制作所 | 微镜列及转印始模的制法、凹凸模、迭片、漫射板与液晶显示器 |
| CN1826541A (zh) * | 2003-07-24 | 2006-08-30 | 日本瑞翁株式会社 | 抗反射模塑制品及其制造方法 |
| TW200636278A (en) * | 2004-12-03 | 2006-10-16 | Sharp Kk | Antireflection member, optical device, display device, and method for producing stamper, and method for producing antireflection member using stamper |
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| CN101628464A (zh) | 2010-01-20 |
| US8002999B2 (en) | 2011-08-23 |
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