Mounting arrangement for crystal assembly

Details Mounting arrangement for crystal assembly Mounting arrangement for crystal assembly

1979-05-03

1981-09-29

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310320, 310366, H01L 4108

Patent

active

042925622

ABSTRACT:
A crystal plate is mounted on a pedestal area of an inverted bridge structure positioned within a depressed area of a crystal carrier. The plate is supported on the upper surface of the carrier until the wire bonding process is complete, then the ends of the bridge are forced down against support pins on the carrier and are welded into place. As the ends of the bridge are forced down, the center portion of the bridge is raised, elevating the crystal plate above the carrier surface for free vibration.

REFERENCES:
patent: 3488530 (1970-01-01), Staudte
patent: 3527967 (1970-09-01), Dyer et al.
patent: 3940638 (1976-02-01), Terayama et al.
patent: 3980911 (1976-09-01), English
patent: 4005321 (1977-01-01), Shibata et al.
patent: 4035674 (1977-07-01), Oguchi et al.
patent: 4054807 (1977-10-01), Terayama
patent: 4069434 (1978-01-01), Kawai

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