Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1986-07-03
1989-05-16
Beck, Shrive
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
4271262, 4271263, 427269, 427286, 427287, B05D 512
Patent
active
048308765
ABSTRACT:
Process for the production of contact strips on substrates, especially on plates of mineral glass. These substrates are provided with an electrically conductive surface coating which is coated on the side facing away from the substrate with at least one surface layer of a dielectric material. For the production of the contact strips, a noble metal suspension in a liquid is deposited according to the invention on the surface layer in the pattern of the contact strips. Then the substrate with the pack of layers is exposed to a heat treatment at at least 100.degree. C. until a lowered total resistance occurs through the conductive surface coating between the contact strips.
REFERENCES:
patent: 3623906 (1971-11-01), Kazuyuki
patent: 3900634 (1975-08-01), Plumat
patent: 4011087 (1977-03-01), Short
patent: 4109044 (1978-08-01), Marriott
patent: 4462883 (1984-07-01), Hart
patent: 4548691 (1985-10-01), Dietrich
Dietrich Anton
Hartig Klaus
Schaefer Hans-Christian
Szczyrbowski Joachim
Beck Shrive
Dang Vi Duong
Leybold-Heraeus GmbH
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