发明授权
- 专利标题: Contoured sputtering target
- 专利标题(中): 轮廓溅射靶
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申请号: US88454申请日: 1998-06-01
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公开(公告)号: US6086735A公开(公告)日: 2000-07-11
- 发明人: Paul S. Gilman , Tetsuya Kojima , Chi-Fung Lo , Eiichi Shimizu , Hidemasa Tamura , Norio Yokoyama
- 申请人: Paul S. Gilman , Tetsuya Kojima , Chi-Fung Lo , Eiichi Shimizu , Hidemasa Tamura , Norio Yokoyama
- 申请人地址: CT North Haven
- 专利权人: Praxair S.T. Technology, Inc.
- 当前专利权人: Praxair S.T. Technology, Inc.
- 当前专利权人地址: CT North Haven
- 主分类号: B23P13/04
- IPC分类号: B23P13/04 ; C23C14/34
摘要:
A contoured sputtering target includes a target member of sputtering material having a top surface, a bottom surface and an outer peripheral surface. One or more contoured annular regions are formed on the top surface of the target member that extend radially inwardly from the outer peripheral surface and away from the bottom surface. The target member may further include planar, concave or central recessed regions formed in the top surface that are surrounded by the one or more contoured annular regions. The configuration of the target member reduces generation of contaminating particles from nodules that may form near the outer peripheral surface of the target during a sputtering operation. Methods of forming a contoured sputtering target are also disclosed.
公开/授权文献
- USD413396S Roofing shingle 公开/授权日:1999-08-31
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