Electrical circuits

Details Electrical circuits Electrical circuits

1988-08-16

1990-03-27

Tolin, Gerald P.

Electricity: conductors and insulators

Conduits, cables or conductors

Preformed panel circuit arrangement

420 40, H05K 100

Patent

active

049122843

ABSTRACT:
A hybrid or printed circuit is formed on a substrate (1) which comprises an iron-chromium-aluminum alloy which may also contain Yttrium and which forms a stable inert strongly adhering ceramic layer (5,6) on its exposed surfaces when heated in an oxidizing atmosphere in order to produce a hybrid circuit a dielectric paste is printed on the ceramic surface (5) of the alloy to form a platform (9). Conductors (10,11) are then printed on the dielectric platform (9) and fired. One or more component(s) (8) is/are then soldered to the conductors.

REFERENCES:
patent: 2974284 (1961-03-01), Parker
patent: 3027252 (1962-03-01), McGurty et al.
patent: 3165672 (1965-01-01), Gellert
patent: 3202591 (1965-08-01), Curran
patent: 3268778 (1966-08-01), Worsham
patent: 4230489 (1980-10-01), Antill
patent: 4385934 (1983-05-01), McGurty
patent: 4410927 (1983-10-01), Butt
patent: 4434544 (1984-03-01), Dohya et al.
patent: 4483751 (1984-11-01), Murayama et al.
patent: 4491622 (1985-01-01), Butt
patent: 4495378 (1985-01-01), Dotzer

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