Means for preventing cracks in the gap region of a surface acous

Details Means for preventing cracks in the gap region of a surface acous Means for preventing cracks in the gap region of a surface acous

1982-08-03

1983-10-18

Miller, J. D.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

333153, 364821, H03H 926, H01L 4122

Patent

active

044108249

ABSTRACT:
A thin film metallic loop is used to electrically short the gap between metallic portions of a surface acoustic wave device to eliminate substrate surface cracks. The loop is deposited on the substrate at the same time the structures defining the gap are deposited.

REFERENCES:
patent: 3840825 (1974-10-01), Gerard
patent: 4063202 (1977-12-01), Vasile
patent: 4181904 (1980-01-01), Weller et al.
patent: 4314393 (1982-02-01), Wakatsuki et al.

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