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Patent Searching and Data


Title:
POLISHING PAD FOR CMP CONTAINING BUBBLES
Document Type and Number:
Japanese Patent JP2003249470
Kind Code:
A
Abstract:

To provide a polishing pad for CMP whose water absorption rate is low, hardness is proper and durability is good by removing existing defects, and its manufacturing method.

The polishing pad for CMP is formed of resin which comprises a metathesis polymerizable cyclic olefin and has heat distortion temperature of 90 to 130°C. The polishing pad contains practically independent bubbles having an average diameter of 50 μm of less measured from its cross section, and the surface density of bubbles is not less than 1E+4 bubbles/cm2.


Inventors:
NAKATANI KENJI
ABE MASANORI
YOSHIDA EIJI
Application Number:
JP2002047643A
Publication Date:
September 05, 2003
Filing Date:
February 25, 2002
Export Citation:
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Assignee:
TEIJIN METON KK
International Classes:
B24B37/20; B24B37/24; B29C45/00; C08G61/06; C08J5/14; H01L21/304; B29K45/00; B29K105/04; B29L31/00; C08L65/00; (IPC1-7): H01L21/304; B24B37/00; B29C45/00; C08G61/06; C08J5/14
Attorney, Agent or Firm:
Hideko Mihara