Stock material or miscellaneous articles – Composite – Of epoxy ether
Patent
1997-08-28
1999-09-21
Gulakowski, Randy
Stock material or miscellaneous articles
Composite
Of epoxy ether
428327, 178 1803, 178 1901, 178 2001, B32B 2738
Patent
active
059551984
ABSTRACT:
This invention aims to offer a transparent touch panel that functions with a soft touching pressure by a pen or a finger, at the same time assures a long operating life.
The transparent touch panel comprises a base plate having a transparent electro conductive layer, a top plate having a transparent electro concuctive layer, and a plurality of dot spacers located in between the base plate and the top plate.
By a touch pressure given from the outer surface of the top plate, the transparent electro conductive layer placed in the top plate touches to the transparent electro conductive layer placed in the base plate, and the place touched is detected. What this touch panel specifically features is that it comprises dot spacers made of a composite resin containing a flexible modified epoxy resin. Hardness of the dot spacer is preferably not more than 95 according to JIS-K6301-A.
REFERENCES:
patent: 4707570 (1987-11-01), Ide et al.
patent: 4958148 (1990-09-01), Olson
patent: 4963417 (1990-10-01), Taniguchi et al.
patent: 4990900 (1991-02-01), Kikuchi
patent: 5399604 (1995-03-01), Sano et al.
patent: 5543587 (1996-08-01), Ikura et al.
Patent Abstracts of Japan, vol. 950, No. 004 (JP-07 092674, Apr. 7, 1995) (Abstract).
Fukui Toshiharu
Harada Mitsuru
Hashimoto Koji
Nakanishi Akira
Nishida Hideaki
Gulakowski Randy
Matsushita Electric Co., Ltd.
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