Cathode mounting a high-frequency piezoelectric chip

Details Cathode mounting a high-frequency piezoelectric chip Cathode mounting a high-frequency piezoelectric chip

1987-06-02

1988-09-20

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310360, 310361, H01L 4108

Patent

active

047728175

ABSTRACT:
A piezoelectric crystal without spontaneous polarization such as Li.sub.2 B.sub.4 O.sub.7 or quartz crystal is jointed to a cathode on the side opposite to the tip thereof to finely drive the cathode. The surface observation apparatus mounting the cathode makes it possible to observe the surface of a sample at high speeds.

REFERENCES:
patent: 3805100 (1974-04-01), Klemp et al.
patent: 4342935 (1982-08-01), Kallmeyer et al.
patent: 4384230 (1983-05-01), Wisner
patent: 4438364 (1984-03-01), Morison

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