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Title:
CHEMICAL MACHINE POLISHING DEVICE
Document Type and Number:
Japanese Patent JPH10337651
Kind Code:
A
Abstract:

To provide a chemical machine polishing device having a polishing cloth which can array out a planning process requiring no dressing process, and suppressing the generation of microscratch.

The main part of a chemical machine polishing device is composed o a polishing surface plate setting a polishing cloth 101; a holding base to hold a processed substrate; and a polishing liquid feeder; and on the surface of the polishing cloth 101 set on the polishing surface plate, an uneven part 101a forming numerous truncated conical projections 102 aligned in a delta form, with the height H about 500 μm, and the internal P about 400 μm, is provided. Consequently, the manufacturing yield of a highly integrated semiconductive device using the chemical machine polishing device in the planning processing is improved.


Inventors:
NAKAJIMA HIDEHARU
Application Number:
JP14757797A
Publication Date:
December 22, 1998
Filing Date:
June 05, 1997
Export Citation:
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Assignee:
SONY CORP
International Classes:
B24B37/20; B24B37/24; B24B37/26; H01L21/304; (IPC1-7): B24B37/00; H01L21/304