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Title:
POLISHING BODY FOR CMP POLISHING, CMP POLISHING APPARATUS, CMP POLISHING METHOD, AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2004/105113
Kind Code:
A1
Abstract:
A polishing body for CMP polishing is disclosed which is preferably used in a CMP polishing method which enables to prevent excess polishing of the peripheral surface of a wafer. This polishing body for CMP polishing is composed of a polishing pad, a hard elastic member and a soft elastic member bonded together in this order, and the thickness of the soft elastic member is not more than a half of the thickness of the polishing pad.

Inventors:
HOSHINO SUSUMU (JP)
YOSHIDA NORIO (JP)
KITADE YUKO (JP)
SHIMODA OSAMU (JP)
YABUKI TAKEYA (JP)
Application Number:
PCT/JP2004/006859
Publication Date:
December 02, 2004
Filing Date:
May 14, 2004
Export Citation:
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Assignee:
NIKON CORP (JP)
HOSHINO SUSUMU (JP)
YOSHIDA NORIO (JP)
KITADE YUKO (JP)
SHIMODA OSAMU (JP)
YABUKI TAKEYA (JP)
International Classes:
B24B37/24; B24D13/14; (IPC1-7): H01L21/304; B24B37/00
Foreign References:
JPH083540A1996-01-09
JPH07164308A1995-06-27
JPH0677185A1994-03-18
Attorney, Agent or Firm:
Hosoe, Toshiaki (3-6 NIshikanagawa 1-Chome, Kanagawa-k, Yokohama-Shi Kanagawa 22, JP)
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