Method for the manufacture of porcelain coated metal boards havi

Details Method for the manufacture of porcelain coated metal boards havi Method for the manufacture of porcelain coated metal boards havi

1980-03-24

1982-05-11

Husar, Francis S.

Metal working

Method of mechanical manufacture

Electrical device making

174 685, H05K 304

Patent

active

043286143

ABSTRACT:
In accordance with this invention a procelain 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 procelain to the surfaces of the core.

REFERENCES:
patent: 2202500 (1940-05-01), Lopp
patent: 3400358 (1968-09-01), Byrnes et al.
IBM Tech. Discl. Bull., vol. 7, No. 2, Jul. 1964, p. 153, by J. M. Daughton et al.

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