Woven glass cloth for printed wiring board and printed wiring pr

Details Woven glass cloth for printed wiring board and printed wiring pr Woven glass cloth for printed wiring board and printed wiring pr

1996-10-15

1998-11-17

Lam, Cathy F.

Fabric (woven, knitted, or nonwoven textile or cloth, etc.)

Woven fabric

Woven fabric is characterized by a particular or...

442117, 442175, 442180, 442218, 442232, 442233, 442234, 139420C, 428901, H05K 300, H05K 103

Patent

active

058376240

ABSTRACT:
To enhance the tear strength without increasing the thickness, a woven glass cloth having a mass of 15 to 30 g/m.sup.2, for use as a base material for printed wiring board material, is characterized in that the weft or warp is provided by a 75 denier or more strand, thicker than the warp, and thread count of the thicker strand per unit length is set smaller than that of the other strand.

REFERENCES:
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patent: 4414264 (1983-11-01), Olson
patent: 4563385 (1986-01-01), Bhatt et al.
patent: 4579772 (1986-04-01), Bhatt et al.
patent: 4696853 (1987-09-01), Fourezon
patent: 4707565 (1987-11-01), Kasai et al.
English Language Abstract of JP-54-108270.
English Language Abstract of JP-3-249237.
English Language Abstract ofJP-7-162156.
English Language Abstract of DE 42 26208.
Patent Abstracts of Japan, vol. 17, No. 377 (M-1446), 15 Jul. 1993.
Patent Abstracts of Japan, vol. 17, No. 266 (C-1062), 25 May 1993.
Database WPI, Week 7940, Derwent Publications Ltd., London, GB AN 79-72674b, XP00202870.
Database WPI, Week 8810, Derwent Publications Ltd., London, GB AN 88-066539, XP00202871.
Patent Abstracts of Japan, vol. 16, No. 43 (C-0907), 4 Feb. 1992.
Patent Abstracts of Japan, vol. 95, No. 9, 31 Oct. 1995.
European Search Report and Annex.

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