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
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