Support unit for ultrasonic vibration resonator

Details Support unit for ultrasonic vibration resonator Support unit for ultrasonic vibration resonator

1997-06-19

1999-03-16

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310323, H01L 41053

Patent

active

058834605

ABSTRACT:
First and second boosters are attached to a holder in the following manner to prevent a portion between the first and second boosters from being curved. The outer side surface of a projecting portion on the outer peripheral surface of a second booster is pressed toward the inward of the holder by a stopper attached to the holder so that a stepped portion formed in the interior surface of the holder is pressed by the projecting portion through a bridge member and a projecting portion on the outer peripheral surface of the first booster.

REFERENCES:
patent: 1930905 (1933-10-01), Nicolson
patent: 3727084 (1973-04-01), Epstein
patent: 4052628 (1977-10-01), Hayer
patent: 4540113 (1985-09-01), Shimazaki
patent: 5053670 (1991-10-01), Kosugi
patent: 5110403 (1992-05-01), Ehlert
patent: 5455477 (1995-10-01), Sano et al.
patent: 5600196 (1997-02-01), Tamai

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