Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
POLISHING BODY, POLISHING DEVICE, SEMICONDUCTOR DEVICE, AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2004/001829
Kind Code:
A1
Abstract:
A polishing body (4) installed on a base material (5), comprising a polishing pad (6), a hard elastic member (7), and a soft member (8) stacked in this order from a polishing surface side, wherein, for example, a Rodel-nitta Co., Ltd.-make IC1000 (brand name) is used as the polishing pad (6), for example, a stainless steel sheet is used as the hard elastic member (7), and a * a Rodel-nitta Co., Ltd.-make Suba400 (brand name) is used as the soft member (8), a groove (6a) is provided in the polishing pad (6) on the polishing surface side, and the remaining thickness (d) of the polishing pad (6) at the position of the groove (6a) is set so as to meet the requirement of 0 mm < d ≤ 0.6 mm, whereby 'local pattern flatness' can be increased by increasing a step eliminating capability while assuring 'global removal uniformity', and the service life of the polishing body can be increased.

Inventors:
HOSHINO SUSUMU (JP)
SUGAYA ISAO (JP)
Application Number:
PCT/JP2003/007854
Publication Date:
December 31, 2003
Filing Date:
June 20, 2003
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIKON CORP (JP)
HOSHINO SUSUMU (JP)
SUGAYA ISAO (JP)
International Classes:
B24B37/20; B24B37/22; B24B37/26; B24D13/14; H01L21/304; (IPC1-7): H01L21/304
Domestic Patent References:
WO2000012642A12000-03-09
Foreign References:
JP2002075933A2002-03-15
JP2001121405A2001-05-08
JP2002028849A2002-01-29
JP2001277102A2001-10-09
JPH11156701A1999-06-15
Attorney, Agent or Firm:
Hosoe, Toshiaki (3-6 Nishikanagawa 1-Chome, Kanagawa-k, Yokohama-Shi Kanagawa, JP)
Download PDF: