Multilayer capacitor suitable for substrate integration and mult

Details Multilayer capacitor suitable for substrate integration and mult Multilayer capacitor suitable for substrate integration and mult

1989-06-23

1990-08-14

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

29 2542, H01G 438, H01G 700

Patent

active

049492179

ABSTRACT:
A multilayer capacitor comprises stacked, spaced-apart electrodes of sheet form, dielectric layers between the electrodes, and first and second groups of spaced-apart conductive vias extending transversely of the sheet-form electrodes and through aligned holes in the dielectric layers. Alternate electrodes are instantaneously positive, and the remaining electrodes are instantaneously negative. Each via of the first group is electrically connected to the positive electrodes and passes insulatingly through the negative electrodes. Similarly, each via of the second group is electrically connected to the negative electrodes and passes insulatingly through the positive electrodes. Each via has, in the plane of the electrodes, a cross-sectional form in the shape of an elongated rib of greater length than width. The elongated ribs of the first group are disposed in a first plurality of rows with their lengths in spaced-apart, aligned relationship, and the ribs of the second group are disposed in a second plurality of rows with their lengths in spaced-apart, aligned relationship. The first plurality of rows is disposed substantially orthogonally with respect to the second plurality of rows.

REFERENCES:
patent: 3130356 (1964-04-01), Weller
patent: 4419714 (1983-12-01), Locke
patent: 4800459 (1989-01-01), Takagi et al.
Prymak, J. D., "Software for Calculating Power Capability for MLC Ceramic Capacitors", Fourth International High Frequency Power Conversion 1989 Conference, May 1989 Proceedings, pp. 167-174.
Maxwell, J. and Doty, M., "Processing Guidelines for S.M.P.S. Multilayer Ceramic Capacitors", Fourth International High Frequency Power Conversion 1989 Conference, May 1989 Proceedings, pp. 175-180.

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