Piezoelectric crystal mounting and connection arrangement

Details Piezoelectric crystal mounting and connection arrangement Piezoelectric crystal mounting and connection arrangement

1979-04-27

1981-08-04

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310366, 310320, H01L 4108

Patent

active

042824540

ABSTRACT:
A crystal is mounted on a low, centrally located pedestal. Connections to the lower side of the crystal are made by way of conductive areas on the pedestal. Multiple wiring connections are made at the edges of the crystal by allowing the bonding tool to depress the edge of the crystal so that the crystal bonding pad is supported by the base structure only during the bonding process, then released thereafter to allow free vibration of the crystal plate. Complex circuitry, possibly involving more than one frequency can thus be put onto one plate.

REFERENCES:
patent: 2310612 (1943-02-01), Bremer et al.
patent: 2943278 (1960-06-01), Mattial
patent: 3448437 (1969-06-01), Barnett
patent: 3909639 (1975-09-01), Kawai et al.
patent: 3969641 (1976-07-01), Oguchi et al.

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