Composite type piezoelectric component

Details Composite type piezoelectric component Composite type piezoelectric component

1993-05-21

1994-09-06

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310348, 310366, 3613212, H01L 4100

Patent

active

053451368

ABSTRACT:
A composite type piezoelectric component has electrodes formed on both major surfaces of a piezoelectric device. These electrodes are electrically connected and mechanically attached to two terminals having top ends shaped so as to receive and support both ends of the piezoelectric device. A capacitor is constructed with a pair of divided electrodes formed on one major surface of a dielectric substrate and another such pair on the other major surface thereof. The capacitor is attached to the two terminals by joining the divided electrodes on one of the major surfaces of the capacitor to the top ends of the terminals so as to leave a clearance between the capacitor and the piezoelectric device. A third terminal is connected to both of the other pair of divided electrodes. These two pairs of electrodes are substantially equally shaped such that directionality is not critical when the capacitor is attached to the terminals.

REFERENCES:
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patent: 4283650 (1981-08-01), Koyama et al.
patent: 4485325 (1984-11-01), Yamamoto et al.
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patent: 4513350 (1985-04-01), Coleman
patent: 4599677 (1986-07-01), Lawless et al.
patent: 4683457 (1987-07-01), Nelson et al.
patent: 4847730 (1989-07-01), Konno et al.
patent: 4856110 (1989-04-01), Yamamoto
patent: 5091671 (1992-02-01), Yoshida

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