发明授权
- 专利标题: Method for molding optical elements
- 专利标题(中): 光学元件成型方法
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申请号: US874099申请日: 1992-04-27
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公开(公告)号: US5290488A公开(公告)日: 1994-03-01
- 发明人: Takashi Arai , Yukihisa Baba , Sachio Umetsu
- 申请人: Takashi Arai , Yukihisa Baba , Sachio Umetsu
- 申请人地址: JPX Tokyo
- 专利权人: Canon Kabushiki Kaisha
- 当前专利权人: Canon Kabushiki Kaisha
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX3-099185 19910430; JPX3-151267 19910624; JPX4-099334 19920420
- 主分类号: B29C33/12
- IPC分类号: B29C33/12 ; B29C35/08 ; B29C70/78 ; B29D11/00
摘要:
A method and apparatus for molding optical elements in which peeling between a glass member and a resin layer and between a mold member and the resin layer will not occur while at the same time it is possible to accurately bring the central axis of the glass member and the central axis of the molding surface into alignment. This is accomplished by a first step of placing the glass member upon a support portion, a second step of positioning the glass member relative to the mold means when a resin material, which has been charged into a space defined by the molding surface and the surface of the glass member, exhibits a viscosity within a predetermined range, a third step of holding the glass member at a predetermined position until the resin material cures to a predetermined ratio of polymerization, and a fourth step of releasing the glass member from the held state after the resin material has cured to the predetermined ratio of polymerization.
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