Multilayer ceramic circuit boards including embedded capacitors

Details Multilayer ceramic circuit boards including embedded capacitors Multilayer ceramic circuit boards including embedded capacitors

1997-03-06

1999-09-14

Kincaid, Kristine

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

361320, 3613212, 156 89, 29831, H01G 406, H01G 420

Patent

active

059532033

ABSTRACT:
Embedded capacitors are formed in multilayer ceramic circuit boards by screen printing a capacitor ink sandwiched between conductor ink layers onto a green tape stack and covering the ink layer with one or two green tapes, and aligning the green tape layers, and firing. The green tapes are made of a mixture of a crystallizing glass, a non-crystallizing glass and an oxide filler which do not shrink in the x and y dimensions during firing. Thus the capacitors can be made to close tolerances.

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patent: 5581876 (1996-12-01), Prabhu et al.
patent: 5708570 (1998-01-01), Polinski, Sr.

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