发明授权
- 专利标题: Optical waveplate and A method of manufacturing the optical waveplate
- 专利标题(中): 光波片和一种制造光学波片的方法
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申请号: US747193申请日: 1996-11-12
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公开(公告)号: US5694496A公开(公告)日: 1997-12-02
- 发明人: Shinji Ando , Takashi Sawada , Yasuyuki Inoue
- 申请人: Shinji Ando , Takashi Sawada , Yasuyuki Inoue
- 申请人地址: JPX
- 专利权人: Nippon Telegraph and Telephone Corporation
- 当前专利权人: Nippon Telegraph and Telephone Corporation
- 当前专利权人地址: JPX
- 优先权: JPX5-130127 19930507; JPX6-039368 19940215
- 主分类号: C08G73/10
- IPC分类号: C08G73/10 ; G02B5/30 ; G02B6/00 ; G02B6/12 ; G02B6/122 ; G02B6/126 ; G02B6/34 ; G02F1/035
摘要:
An optical waveplate includes a polyimide with a film thickness of 20 .mu.m or less.
公开/授权文献
- USD340430S Trailer 公开/授权日:1993-10-19
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