| 发明名称 |
Polishing pad having a grooved pattern for use in chemical mechanical polishing apparatus |
| 摘要 |
A polishing pad for a chemical mechanical polishing apparatus. The polishing pad includes a plurality of concentric circular grooves. The polishing pad may include multiple regions with grooves of different widths and spacings.
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| 申请公布号 |
US2004072516(A1) |
申请公布日期 |
2004.04.15 |
| 申请号 |
US20030665925 |
申请日期 |
2003.09.19 |
| 申请人 |
OSTERHELD THOMAS H.;KO SEN-HOU |
发明人 |
OSTERHELD THOMAS H.;KO SEN-HOU |
| 分类号 |
B24B37/00;B24B37/04;B24D13/14;H01L21/304;(IPC1-7):B24B5/00;B24B29/00 |
主分类号 |
B24B37/00 |
| 代理机构 |
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代理人 |
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| 主权项 |
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