发明名称 Polishing method, polishing pad and polishing system
摘要 A polishing method, a polishing pad and a polishing system are provided. In the invention, the polishing pad is used to polish a polishing article. The polishing pad includes a polishing layer and a surface pattern disposed in the polishing layer. The polishing layer includes a polishing surface, a rotating central region, and a peripheral region. The surface pattern includes many grooves distributed from near the rotating central region and extending outward to near the peripheral region. The grooves include many groove cross sections along a circumferential direction of a same radius. Each of the groove cross sections has a left sidewall and a right sidewall. An included angle is formed by the polishing surface and one of a group of the left sidewalls and a group of the right sidewalls. The included angle is an obtuse angle.
申请公布号 US8398461(B2) 申请公布日期 2013.03.19
申请号 US20100691184 申请日期 2010.01.21
申请人 WANG YU-PIAO;IV TECHNOLOGIES CO., LTD. 发明人 WANG YU-PIAO
分类号 B24B1/00 主分类号 B24B1/00
代理机构 代理人
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