Method of making crystal mounting and connection arrangement

Details Method of making crystal mounting and connection arrangement Method of making crystal mounting and connection arrangement

1980-08-25

1982-06-15

Hall, Carl E.

Metal working

Piezoelectric device making

29860, 228179, H01L 4122

Patent

active

043343430

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: 3448437 (1969-06-01), Barnett
patent: 4142288 (1979-03-01), Flammer et al.

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