发明名称 POLISHING PAD HAVING SLURRY UTILIZATION ENHANCING GROOVES
摘要 A chemical mechanical polishing pad ( 200 ) that includes a polishing layer ( 204 ) having a polishing region ( 208 ) and containing a plurality of grooves ( 212 ) extending at least partially into the polishing region. During polishing, the grooves contain a slurry ( 236 ) that facilitates polishing. Each groove includes a plurality of mixing structures ( 220 ) configured to cause mixing of slurry located in a lower portion ( 240 ) of the groove with slurry located in the upper portion ( 244 ) of the groove.
申请公布号 US2005107009(A1) 申请公布日期 2005.05.19
申请号 US20030712186 申请日期 2003.11.13
申请人 MULDOWNEY GREGORY P. 发明人 MULDOWNEY GREGORY P.
分类号 B24B57/02;B24B37/00;B24B37/04;H01L21/304;(IPC1-7):B24B1/00;B24B7/19 主分类号 B24B57/02
代理机构 代理人
主权项
地址