Title:
GLASS CLOTH FOR PRINTED WIRING BOARD
Document Type and Number:
WIPO Patent Application WO/2011/024870
Kind Code:
A1
Abstract:
Disclosed are: a glass cloth, which has small anisotropy of dimensional change, while being free from warp and twist, and which is suitable for the production of a printed wiring board that is used in electronic/electrical fields; a prepreg using the glass cloth; and a printed wiring board using the glass cloth. The glass cloth is characterized in that the warp and the weft are configured of glass yarn of from 1.8 × 10-6 kg/m to 14 × 10-6 kg/m, the ratio of the average filament diameter of the weft to the average filament diameter of the warp (the weft/warp ratio) is 1.01 or more but less than 1.27, and the glass cloth has a thickness of 10-40 μm (inclusive).
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Inventors:
ENDO, Masaaki (1-105, Kanda Jinbocho Chiyoda-k, Tokyo 01, 〒1018101, JP)
遠藤 正朗 (〒01 東京都千代田区神田神保町一丁目１０５番地 Tokyo, 〒1018101, JP)
MATSUDE, Daisuke (1-105, Kanda Jinbocho Chiyoda-k, Tokyo 01, 〒1018101, JP)
遠藤 正朗 (〒01 東京都千代田区神田神保町一丁目１０５番地 Tokyo, 〒1018101, JP)
MATSUDE, Daisuke (1-105, Kanda Jinbocho Chiyoda-k, Tokyo 01, 〒1018101, JP)
Application Number:
JP2010/064411
Publication Date:
March 03, 2011
Filing Date:
August 25, 2010
Export Citation:
Assignee:
Asahi Kasei E-materials Corporation (1-105, Kanda Jinbocho Chiyoda-k, Tokyo 01, 〒1018101, JP)
旭化成イーマテリアルズ株式会社 (〒01 東京都千代田区神田神保町一丁目１０５番地 Tokyo, 〒1018101, JP)
ENDO, Masaaki (1-105, Kanda Jinbocho Chiyoda-k, Tokyo 01, 〒1018101, JP)
遠藤 正朗 (〒01 東京都千代田区神田神保町一丁目１０５番地 Tokyo, 〒1018101, JP)
旭化成イーマテリアルズ株式会社 (〒01 東京都千代田区神田神保町一丁目１０５番地 Tokyo, 〒1018101, JP)
ENDO, Masaaki (1-105, Kanda Jinbocho Chiyoda-k, Tokyo 01, 〒1018101, JP)
遠藤 正朗 (〒01 東京都千代田区神田神保町一丁目１０５番地 Tokyo, 〒1018101, JP)
International Classes:
D03D15/12; C08J5/24; D03D1/00; H05K1/03
Attorney, Agent or Firm:
AOKI, Atsushi et al. (SEIWA PATENT & LAW, Toranomon 37 Mori Bldg. 5-1, Toranomon 3-chome, Minato-k, Tokyo 23, 〒1058423, JP)
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