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Patent Searching and Data


Title:
POLISHING METHOD AND POLISHING FLUID
Document Type and Number:
WIPO Patent Application WO/2003/071593
Kind Code:
A1
Abstract:
A method for polishing wherein an article is polished by the thrust thereof on fixed abrasive grains with sliding, characterized in that it comprises a first step of polishing the article to be polished while feeding a polishing fluid which contains an anionic surfactant and no abrasive grains. The method can be advantageously employed for polishing an article to be polished, such as a semiconductor wafer, using fixed abrasive grains.

Inventors:
WADA YUTAKA (JP)
AKATSUKA TOMOHIKO (JP)
SASAKI TATSUYA (JP)
HAGIHARA TOSHIYA (JP)
Application Number:
PCT/JP2003/001870
Publication Date:
August 28, 2003
Filing Date:
February 20, 2003
Export Citation:
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Assignee:
EBARA CORP (JP)
KAO CORP (JP)
WADA YUTAKA (JP)
AKATSUKA TOMOHIKO (JP)
SASAKI TATSUYA (JP)
HAGIHARA TOSHIYA (JP)
International Classes:
B24B7/22; B24B37/04; B24B49/12; B24B53/007; B24B53/02; C09G1/00; H01L21/304; H01L21/3105; (IPC1-7): H01L21/304; B24B37/00; C09K3/14
Domestic Patent References:
WO1998018159A11998-04-30
WO1997010613A11997-03-20
Foreign References:
JP2002043256A2002-02-08
JP2000173955A2000-06-23
US20020160609A12002-10-31
Other References:
See also references of EP 1478012A4
Attorney, Agent or Firm:
Watanabe, Isamu (5-8 Nishi-Shinjuku 7-chom, Shinjuku-ku Tokyo, JP)
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