Hybrid circuits and thick film dielectrics used therein

Details Hybrid circuits and thick film dielectrics used therein Hybrid circuits and thick film dielectrics used therein

1988-12-23

1990-05-22

Dees, Jose

Stock material or miscellaneous articles

Composite

Of quartz or glass

428195, 428426, 428432, 428698, 428704, 428901, 361397, 174255, B32B 1706, B32B 1520, B32B 1800

Patent

active

049277111

ABSTRACT:
There is disclosed a hybrid circuit embodying a crossover formed on a low expansion substrate of aluminum nitride, mullite or a cordierite-type glass-ceramic. The crossover is a thick film dielectric composed of a glass-ceramic having a primary crystal phase of willemite and a secondary phase of cordierite.

REFERENCES:
patent: 4714687 (1987-12-01), Holleran
patent: 4719187 (1988-01-01), Bardhan
patent: 4775596 (1988-10-01), Holleran

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