Processing of cores for circuit boards or cards

Details Processing of cores for circuit boards or cards Processing of cores for circuit boards or cards

1988-06-29

1990-04-24

Echols, P. W.

Metal working

Method of mechanical manufacture

Electrical device making

29848, 29424, 1563069, 1563075, H05K 310

Patent

active

049188127

ABSTRACT:
Two cores for circuit boards or cards are simultaneously processed.
In particular, two cores are provided wherein each is a dielectric material having conductive planes on both major surfaces thereof. The two cores are temporarily fixed together by sealing the peripheral face planes thereof.
The two external conductive planes are then simultaneously processed to thereby form signal patterns.
The seal is then removed from the peripheral face planes and the two cores are separated from each other, thereby simultaneously providing the two cores.

REFERENCES:
patent: 4191800 (1980-03-01), Holtzman
patent: 4201616 (1980-05-01), Chellis
patent: 4606787 (1986-08-01), Pelligrino
patent: 4649497 (1987-03-01), Carlson et al.

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