Electrical circuit on porcelain coated metal substrates

Details Electrical circuit on porcelain coated metal substrates Electrical circuit on porcelain coated metal substrates

1980-07-14

1982-12-21

Rubinson, G. Z.

Electrical transmission or interconnection systems

Switching systems

Plural switches

200 5A, 340365C, 361402, H01H 1370

Patent

active

043651682

ABSTRACT:
A porcelain coated metal substrate bearing a printed circuit and in which a capacitive coupling is created between the substrate and the circuit to eliminate unwanted frequencies. This coupling is formed by the inclusion of a conductive element on the porcelain. The conductive element is out of direct electrical contact with the printed circuit and has a means to connect the element to ground. Connection to ground provides the desired capacitive coupling and another capacitive coupling from the metal substrate to the conductive element, the two couplings being in series.

REFERENCES:
patent: 4029916 (1977-06-01), Chu
patent: 4046981 (1977-09-01), Johnson et al.

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