发明授权
US5538528A Glass optical element press-molding die having a tantalum containing
alloy surface layer
失效
具有含钽合金表面层的玻璃光学元件压制成型模具
- 专利标题: Glass optical element press-molding die having a tantalum containing alloy surface layer
- 专利标题(中): 具有含钽合金表面层的玻璃光学元件压制成型模具
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申请号: US178858申请日: 1994-01-07
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公开(公告)号: US5538528A公开(公告)日: 1996-07-23
- 发明人: Yoshinari Kashiwagi , Makoto Umetani , Masaki Aoki
- 申请人: Yoshinari Kashiwagi , Makoto Umetani , Masaki Aoki
- 申请人地址: JPX Osaka
- 专利权人: Matsushita Electric Industrial Co., Ltd.
- 当前专利权人: Matsushita Electric Industrial Co., Ltd.
- 当前专利权人地址: JPX Osaka
- 优先权: JPX5-001404 19930107
- 主分类号: C03B11/00
- IPC分类号: C03B11/00 ; C03B11/08
摘要:
A die for press-molding a glass optical element which includes a base material having a surface to press-mold glass and a tantalum(Ta)-containing alloy thin layer on the surface, the base material being heat-resistant and strong enough to withstand press-molding.
公开/授权文献
- US4833855A Prefabricated panel having a joint thereon 公开/授权日:1989-05-30
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