Crystal header package

Details Crystal header package Crystal header package

1988-05-27

1991-01-15

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310353, H01L 4108

Patent

active

049856553

ABSTRACT:
A crystal header package with a sapphire bottom plate and a method of making same. The package has a low profile design consisting of two components defining a cover and a platform that are joined together by cold welding. A KOVAR washer is used within a seal between the sapphire bottom plate and the platform.

REFERENCES:
patent: 3931388 (1976-01-01), Hafner et al.
patent: 4127840 (1978-11-01), House
patent: 4266156 (1981-05-01), Kizaki
patent: 4266157 (1981-05-01), Peters
patent: 4354130 (1982-10-01), Ono et al.

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