Porcelain coated metal boards having interconnections between th

Details Porcelain coated metal boards having interconnections between th Porcelain coated metal boards having interconnections between th

1981-12-07

1983-07-12

Kucia, R. R.

Electricity: electrical systems and devices

Miscellaneous

174 52H, 174 52S, 361400, 361411, H05K 118

Patent

active

043934382

ABSTRACT:
In accordance with this invention a porcelain coated metal board is provided which has flat surfaces and further has electrical connections between the face and reverse surfaces of the board. In accordance with a further aspect of this invention the boards of this invention are obtained by a method in which the connecting pins are sealed in a spaced relationship in apertures in the metal core of the board and insulated from the core prior to the application of the porcelain to the surfaces of the core.

REFERENCES:
patent: Re27089 (1971-03-01), Sear et al.
patent: 3676292 (1972-07-01), Pryor
patent: 4221925 (1980-09-01), Finley et al.
patent: 4254172 (1981-03-01), Takahashi et al.
patent: 4303715 (1981-12-01), Chang
Leland Teschler, New Circuit Boards Beat Heat and Vibration, Machine Design, vol. 51, #2, Jan. 25, 1979; pp. 105 to 109.

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