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Patent Searching and Data


Title:
POLISHING COMPOSITION AND POLISHING METHOD
Document Type and Number:
WIPO Patent Application WO/2007/138975
Kind Code:
A1
Abstract:
Disclosed is a polishing composition which enables a polishing wherein both high polishing rate and excellent step elimination are achieved for an object to be polished. Also disclosed is a polishing method which enables to quickly polish a wiring metal while suppressing increase in wiring resistance. The polishing method is also excellent in step elimination properties. Specifically disclosed is a polishing composition containing abrasive grains, an oxidizing agent, ammonium ions, polyvalent carboxylic acid ions, at least one chelating agent selected from the group consisting of pentaethylenehexamine, triethylenetetramine and tetraethylenepentamine, and an aqueous medium. Also disclosed is a polishing method wherein a wiring metal (3) is polished by using the polishing composition after forming a wiring groove (2) in a resin base (1) and filling the wiring groove (2) with the wiring metal (3).

Inventors:
KAMIYA, Hiroyuki (Limited 12-1, Yurakucho1-chome, Chiyoda-k, Tokyo 05, 1008405, JP)
神谷 広幸 (〒05 東京都千代田区有楽町一丁目12番1号 旭硝子株式会社内 Tokyo, 1008405, JP)
Application Number:
JP2007/060610
Publication Date:
December 06, 2007
Filing Date:
May 24, 2007
Export Citation:
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Assignee:
ASAHI GLASS COMPANY, LIMITED (12-1, Yurakucho 1-chome Chiyoda-k, Tokyo 05, 1008405, JP)
旭硝子株式会社 (〒05 東京都千代田区有楽町一丁目12番1号 Tokyo, 1008405, JP)
AGC SEIMI CHEMICAL CO., LTD. (3-2-10, Chigasaki Chigasaki-sh, Kanagawa 85, 2538585, JP)
AGCセイミケミカル株式会社 (〒85 神奈川県茅ヶ崎市茅ヶ崎三丁目2番10号 Kanagawa, 2538585, JP)
International Classes:
B24B37/00; C09K3/14; H01L21/304
Attorney, Agent or Firm:
SENMYO, Kenji et al. (4th Floor, SIA Kanda Square17, Kanda-konyacho,Chiyoda-k, Tokyo 35, 1010035, JP)
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