发明授权
- 专利标题: Compositions for polishing silicon and germanium
- 专利标题(中): 用于抛光硅和锗的组合物
-
申请号: US869402申请日: 1978-01-16
-
公开(公告)号: US4260396A公开(公告)日: 1981-04-07
- 发明人: Rimantas Glemza
- 申请人: Rimantas Glemza
- 申请人地址: NY New York
- 专利权人: W. R. Grace & Co.
- 当前专利权人: W. R. Grace & Co.
- 当前专利权人地址: NY New York
- 主分类号: C09K3/14
- IPC分类号: C09K3/14 ; H01L21/304 ; H01L21/306
摘要:
A composition for polishing silicon and germanium comprises a synthetic amorphous silica polishing agent and a suspending agent selected from the group consisting of water-soluble carboxypolymethylene gums and xanthum gums. The composition may be used for polishing in the form of an aqueous alkaline slurry.
公开/授权文献
- US5826901A Airbag system for vehicle 公开/授权日:1998-10-27
信息查询