发明授权
- 专利标题： Optical disc molding device and molding method for optical disc
- 专利标题（中）： 光盘成型装置及光盘成型方法
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申请号： US834159申请日： 1997-04-14
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公开(公告)号： US5852329A公开(公告)日： 1998-12-22
- 发明人: Nobuyuki Arakawa , Toshiyuki Kashiwagi , Asao Kurosu , Yuji Akiyama , Shinsuke Kishi
- 申请人： Nobuyuki Arakawa , Toshiyuki Kashiwagi , Asao Kurosu , Yuji Akiyama , Shinsuke Kishi
- 申请人地址： JPX
- 专利权人： Sony Corporation
- 当前专利权人： Sony Corporation
- 当前专利权人地址： JPX
- 优先权： JPX8-107729 19960426; JPX8-144990 19960515
- 主分类号： B29C45/00
- IPC分类号： B29C45/00 ; B29C45/26 ; B29D17/00
摘要：
An optical disc molding device has a pair of molds for injection molding a disc substrate within cavities, and a stamper supported within at least one cavity, for molding a data recording surface in such a manner that the inside diameter side of the stamper supporting surface of the cavity protrudes inwardly in the disc thickness direction from the data recording surface. The flatness of a laminated reference plane has thus been deteriorated by burrs occurring on a disc substrate.
公开/授权文献
- US5301228A Communication device with a detachable recording medium 公开/授权日：1994-04-05