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CN101574840B - 模仁的制造方法 - Google Patents

模仁的制造方法 Download PDF

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Publication number
CN101574840B
CN101574840B CN200810301423.1A CN200810301423A CN101574840B CN 101574840 B CN101574840 B CN 101574840B CN 200810301423 A CN200810301423 A CN 200810301423A CN 101574840 B CN101574840 B CN 101574840B
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China
Prior art keywords
master mold
polymer material
silicone polymer
dimethyl silicone
forming surface
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Expired - Fee Related
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CN200810301423.1A
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English (en)
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CN101574840A (zh
Inventor
庄信弘
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Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
Original Assignee
Hongfujin Precision Industry Shenzhen Co Ltd
Hon Hai Precision Industry Co Ltd
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Application filed by Hongfujin Precision Industry Shenzhen Co Ltd, Hon Hai Precision Industry Co Ltd filed Critical Hongfujin Precision Industry Shenzhen Co Ltd
Priority to CN200810301423.1A priority Critical patent/CN101574840B/zh
Priority to US12/261,314 priority patent/US20090278269A1/en
Publication of CN101574840A publication Critical patent/CN101574840A/zh
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Publication of CN101574840B publication Critical patent/CN101574840B/zh
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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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/02—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of definite length, i.e. discrete articles
    • B29C41/08—Coating a former, core or other substrate by spraying or fluidisation, e.g. spraying powder
    • B29C41/085—Coating a former, core or other substrate by spraying or fluidisation, e.g. spraying powder by rotating the former around its axis of symmetry
    • 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
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/003—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor characterised by the choice of material
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/34—Component parts, details or accessories; Auxiliary operations
    • B29C41/38—Moulds, cores or other substrates
    • 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
    • B29D11/0048—Moulds for lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2083/00—Use of polymers having silicon, with or without sulfur, nitrogen, oxygen, or carbon only, in the main chain, as moulding material

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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)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

本发明提供一种模仁的制造方法，该模仁用于制造具有预设结构的镜片，该方法包括以下步骤：提供一个母模，该母模具有一个成型面，该成型面的形状与该预设结构的形状互补；在该成型面涂布聚二甲基硅氧烷材料；固化该聚二甲基硅氧烷材料；对该聚二甲基硅氧烷材料进行翻模，得到模仁。

Description

模仁的制造方法
技术领域
本发明涉及一种模仁的制造方法，尤其涉及用于制造微镜片的微模仁制造方法。
背景技术
目前，随着镜头模组的小型化，使镜片小型化微型化成为研究人员的研究课题。现在的微透镜制造技术包括光阻热回流法，聚甲基丙烯酸甲酯(PMMA，polymethyl methacrylate)体积膨胀收缩法，滴制(droplet)法，灰阶光罩(gray scale)法、渐变折射法及双层光阻回流法。
然而，传统的制造微透镜模仁的方法以及利用这些模仁制造微透镜的制程较繁琐，产量不高，且上述方法的制造的模仁精准度低，所得到的镜片一致性不佳且尺寸过大，或者制造设备的成本较高，不利于大批量生产。
发明内容
有鉴于此，有必要提供一种低成本、高精度且具有高量产性的模仁制造方法。
一种模仁的制造方法，该模仁用于制造具有预设结构的镜片，该方法包括以下步骤：提供一个母模，该母模具有一个成型面，该成型面的形状与该预设结构的形状互补；在该成型面涂布聚二甲基硅氧烷材料；固化该聚二甲基硅氧烷材料；对该聚二甲基硅氧烷材料进行翻模，得到模仁。
与现有技术相比，本发明采用聚二甲基硅氧烷(Polydimethylsiloxane，简称PDMS)材料制造模仁，成本低，制程简单，聚二甲基硅氧烷材料具有弹性和透光性，其切割后可直接做微镜片使用，也可作为母模继续复制模仁，复制精度高。
附图说明
图1是本发明实施例提供的制造模仁的流程图。
图2是本发明实施例提供的母模的示意图。
图3是本发明实施例提供的旋转涂布步骤示意图。
图4是本发明实施例提供的旋转涂布完成后的示意图。
图5是本发明实施例提供的模仁示意图。
具体实施方式
下面将结合附图对本发明作进一步详细说明。
请参阅图1，本发明实施例提供的模仁制造流程包括以下步骤：
提供一个母模，该母模具有一个成型面，该成型面的形状与该预设结构的形状互补；
在该成型面涂布聚二甲基硅氧烷材料；
固化该聚二甲基硅氧烷材料；
对该聚二甲基硅氧烷材料进行翻模，得到模仁。
其中，预设结构是指要制造的微镜片的结构，例如球面、非球面、凹面、凸面等。母模的成型面的形状与预设结构的形状正好互补，尺寸一致。
请参阅图2，本实施例提供的母模20具有基板202和成型面204。
成型面204是基板202的一个表面，其包括间隔区206和镜片结构208。将所需要的光学设计数据输入超精密加工机台，利用超精密加工技术形成成型面204，可以得到精准度非常高的成型面。
本实施例的目的是制造一个微透镜阵列，因此母模具有若干个镜片结构208，相应地，就需要若干个间隔区206将镜片结构208。
镜片结构208的形状与需要制造的微透镜的球面、非球面、凸面或凹面等各种可能的形状互补。
优选地，母模20的材料是金属，例如铝，镍等。
为了使将来制得的模仁易于从母模20上脱离，本实施例在母模成型面204上涂布脱模剂。
具体地，先将脱模剂置于玻璃瓶中，将该玻璃瓶和母模20一起置于
真空腔中，在一定温度下，脱模剂挥发出的气体将附着在母模的成型面204。
优选地，脱模剂为硅烷类液体。当脱模剂附着在成型面时，在以后的翻模步骤中，就可以避免粘模现象，提高翻模品质。
请参阅图3，本实施例采用旋转涂布法在母模20的成型面204涂布聚二甲基硅氧烷材料。将母模20置于旋转台30上，再将聚二甲基硅氧烷材料(图未示)倒于成型面204上，启动旋转台，通过控制旋转台30的转速来控制聚二甲基硅氧烷材料的厚度和均匀度，并使聚二甲基硅氧烷材料与成型面204贴合。
另外，也可以使用点滴法向母模20的成型面涂布聚二甲基硅氧烷材料。
请参阅图4，固化聚二甲基硅氧烷材料40，可采用例如热固化、紫外光固化、长时间置于干燥环境中等方法。优选地，在125摄氏度下对该聚二甲基硅氧烷材料40进行15分钟的烘烤以实现固化。
请参阅图5，对聚二甲基硅氧烷材料40翻模，使其与母模20分离。由于聚二甲基硅氧烷材料具有良好的弹性，可以将其自母模20表面剥离得到独立的模仁40。由于成型面具有脱模剂，翻模后的成型面不会遭到破坏，仍然保持很高的精准度。
由于聚二甲基硅氧烷材料具有良好的透光性，也可以在适当的切割后直接作为微镜片使用。
可以理解，本发明实施例翻模后的模仁还可作为母模重复涂布聚二甲基硅氧烷材料、固化、翻模的步骤，以实现更大批量的制造。
另外，本领域技术人员还可以在本发明精神内做其它变化，当然，这些依据本发明精神所做的变化，都应包含在本发明所要求保护的范围之内。

Claims (4)

1.一种模仁的制造方法，该模仁用于制造具有预设结构的镜片，该方法包括以下步骤：
提供一个母模，该母模具有一个成型面，该成型面的形状与该预设结构的形状互补；
在该母模的成型面涂布脱模剂，包括：提供一个容器，该容器盛有脱模剂，该脱模剂为硅烷类液体，将该容器与该母模置于真空腔中，该脱模剂挥发出的气体覆盖于该母模的成型面；
然后对应在该成型面涂布聚二甲基硅氧烷材料；
固化该聚二甲基硅氧烷材料；
对该聚二甲基硅氧烷材料进行翻模，得到模仁。
2.如权利要求1所述的模仁的制造方法，其特征在于：该母模采用超精密加工技术制得。
3.如权利要求1所述的模仁的制造方法，其特征在于：采用旋转涂布法在该成型面涂布该聚二甲基硅氧烷材料。
4.如权利要求1所述的模仁的制造方法，其特征在于：在125摄氏度下对该聚二甲基硅氧烷材料进行15分钟的烘烤以固化该聚二甲基硅氧烷材料。
CN200810301423.1A 2008-05-06 2008-05-06 模仁的制造方法 Expired - Fee Related CN101574840B (zh)

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CN200810301423.1A CN101574840B (zh) 2008-05-06 2008-05-06 模仁的制造方法
US12/261,314 US20090278269A1 (en) 2008-05-06 2008-10-30 Method for manufacturing mold

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Cited By (1)

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CN104421834A (zh) * 2013-08-28 2015-03-18 鸿富锦精密工业（深圳）有限公司 复合透镜及其制造方法以及使用该复合透镜的光源装置

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CN101885577A (zh) * 2009-05-14 2010-11-17 鸿富锦精密工业（深圳）有限公司 压印成型微小凹透镜阵列的模仁、模压装置及方法
US8178011B2 (en) * 2009-07-29 2012-05-15 Empire Technology Development Llc Self-assembled nano-lithographic imprint masks
TW201321315A (zh) * 2011-11-25 2013-06-01 Hon Hai Prec Ind Co Ltd 模仁及其製備方法
US9039905B2 (en) 2012-02-17 2015-05-26 3M Innovative Properties Company Method of forming a lighting system
CN108908820B (zh) * 2018-06-19 2020-12-25 深圳摩方新材科技有限公司 一种树脂类光学镜片的制造方法
CN113500690B (zh) * 2021-06-23 2022-12-30 上海建工建材科技集团股份有限公司 一种uhpc外墙装饰板的制作工艺

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CN1428616A (zh) * 2001-12-26 2003-07-09 胜华科技股份有限公司 微透镜式导光板制造方法
US7359124B1 (en) * 2004-04-30 2008-04-15 Louisiana Tech University Research Foundation As A Division Of The Louisiana Tech University Foundation Wide-angle variable focal length lens system

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US20070257396A1 (en) * 2006-05-05 2007-11-08 Jian Wang Device and method of forming nanoimprinted structures

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CN1428616A (zh) * 2001-12-26 2003-07-09 胜华科技股份有限公司 微透镜式导光板制造方法
US7359124B1 (en) * 2004-04-30 2008-04-15 Louisiana Tech University Research Foundation As A Division Of The Louisiana Tech University Foundation Wide-angle variable focal length lens system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104421834A (zh) * 2013-08-28 2015-03-18 鸿富锦精密工业（深圳）有限公司 复合透镜及其制造方法以及使用该复合透镜的光源装置

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