Multilayer combined rigid and flex printed circuits

Details Multilayer combined rigid and flex printed circuits Multilayer combined rigid and flex printed circuits

1987-11-02

1989-01-24

Powell, William A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

29846, 29852, 156629, 156630, 156634, 156645, 156656, 156253, 156264, 156902, 174 685, 361412, 427 97, 428192, 428901, H05K 100, B44C 122, C23F 102, B05D 512

Patent

active

048004618

ABSTRACT:
Multilayer rigid flex printed circuits are fabricated by a novel process to provide structures having rigid sections incorporating insulator materials which, when subjected to elevated temperatures, do not expand sufficiently in the Z direction to cause difficulties, including delamination and cracking of plated through barrels. The flex section includes flexible insulator materials which extend to but not a substantial distance into the rigid section.

REFERENCES:
patent: 3409732 (1968-11-01), Dahlgren et al.
patent: 4037047 (1977-07-01), Taylor
patent: 4338149 (1982-07-01), Quaschner
patent: 4533787 (1985-08-01), Anderegg et al.
patent: 4626462 (1986-12-01), Kober
patent: 4687695 (1987-08-01), Hamby
patent: 4715928 (1987-12-01), Hamby

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