发明名称 |
A COMPRESSOR OF POLISHING PAD |
摘要 |
PURPOSE: A polishing pad compressing device is provided to improve the compression efficiency of a polishing pad by uniformly compressing the surface of the polishing pad. CONSTITUTION: A compressor(40) moves while being compressed on the surface of a polishing pad(30). A rotating unit(50) rotates a plurality of compressing units at the same time. A support(44) supports the compressor to rotate with regard to a rotation plate(42). The compressor is eccentrically supported in the center of the rotation plate.
|
申请公布号 |
KR20100104008(A) |
申请公布日期 |
2010.09.29 |
申请号 |
KR20090022130 |
申请日期 |
2009.03.16 |
申请人 |
SILTRON INC. |
发明人 |
LEE, HYUNG RAK;CHOI, CHUL HO |
分类号 |
H01L21/304 |
主分类号 |
H01L21/304 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|