Double sided circuit board and a method for its manufacture

Details Double sided circuit board and a method for its manufacture Double sided circuit board and a method for its manufacture

1988-04-14

1989-07-04

Buczinski, Stephen C.

Electricity: conductors and insulators

Conduits, cables or conductors

Single duct conduits

29846, H05K 102, H05K 302

Patent

active

H00006505

ABSTRACT:
Conductance between the sides of a large double sided printed circuit board is provided using a method which eliminates the need for chemical immersion or photographic exposure of the entire large board. A plurality of through-holes are drilled or punched in a substratum according to the desired pattern, conductive laminae are made to adhere to both sides of the substratum covering the holes and the laminae are pressed together and permanently joined within the holes, providing conductive paths.

REFERENCES:
patent: 4351697 (1982-09-01), Shanefield et al.
patent: 4360570 (1982-11-01), Andreades et al.
patent: 4597988 (1986-07-01), Kukanskis et al.
patent: 4610756 (1986-09-01), Strobel
patent: 4689111 (1987-08-01), Chan et al.

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