Process for forming tin oxide conductive pattern

Details Process for forming tin oxide conductive pattern Process for forming tin oxide conductive pattern

1980-09-15

1982-08-17

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Delaminating processes adapted for specified product

Delaminating in preparation for post processing recycling step

156651, 1566591, 1566611, 156901, 427 66, 427110, 4271262, 4271263, 428 1, C03C 1710

Patent

active

043448178

ABSTRACT:
A pattern of transparent conductive material, such as tin oxide, is formed on a transparent vitreous substrate using a polycrystalline material, such as cadmium or zinc sulfide, to mask the substrate surface while depositing material forming the transparent conductive layer. The polycrystalline material and any overlying transparent conductive material are easily removed by a chemical etch, leaving the desired pattern of transparent conductive material adhering to the substrate. Two electrically conductive patterns may be formed in intersecting relationship and isolated, one from the other. The degree of electrical connection between the two patterns will be a function of the resistance of the polycrystalline material therebetween at points of crossing. In some instances, electroluminescence may be obtained by selecting the proper crystalline material wherein an electrical display may be created by selectively energizing crossing electrical conductors.

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