Shape retaining flexible electrical circuit

Details Shape retaining flexible electrical circuit Shape retaining flexible electrical circuit

1990-02-06

1991-03-05

Cannon, James C.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

174254, 361398, 361411, 428209, 428285, 428290, 428901, B32B 1508, B32B 1514, B32B 1516, H05K 103

Patent

active

049977024

ABSTRACT:
A printed circuit board composed of an epoxy impregnated nonwoven web substrate laminated to electrically conductive sheets is presented. The printed circuit board is flexible in the sense that it can be bent to any desired multiplanar shape and will retain that shape after installation as required by electronic interconnection systems. The printed circuit board also has improved thermal properties achieved through the addition of up to 70% by weight of low coefficient of thermal expansion (CTE) particulate fillers and/or the use of thermally stable reinforcement fibers in the non-woven web.

REFERENCES:
patent: 4883708 (1989-11-01), Kariya et al.
patent: 4913955 (1990-04-01), Noda et al.
Gurley, Steve, Flexible Circuits: Design and Applications, Marcel Depper Inc., New York (1984), 124-125.

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