Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1990-05-22
1992-02-04
Ryan, Patrick J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428251, 428901, 357 70, B32B 900
Patent
active
050859226
ABSTRACT:
A printed circuit board includes a printed wiring board and a terminal board bonded to the printed wiring boards. These boards contain reinforcing fibers, and the directions of the reinforcing fibers in both boards are the same whereby coefficients of thermal expansion of both boards are substantially equal to each other. Thus, it is possible to prevent the circuit board from bending and to get a planar arrangement of electrode terminals in a case where the terminal board is bonded to the printed wiring board with solder.
REFERENCES:
patent: 4372347 (1983-02-01), Olson
patent: 4563385 (1986-01-01), Bhatt et al.
patent: 4833005 (1989-05-01), Klaar et al.
Lee Kam F.
Mitsubishi Denki & Kabushiki Kaisha
Ryan Patrick J.
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