Piezoelectric head actuator

Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Drum record

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Details

G11B 5584, G11B 5592

Patent

active

054083761

ABSTRACT:
A bimorph element is formed by bonding first and second piezoelectric bodies together with an elastic shim interposed between. The bimorph element is firmly held by a base frame which has a recess and a groove at the bottom of the recess. The elastic shim 103 has an extending portion which is firmly inserted in the groove and its end portion is inserted in the recess of the base frame. A space between the recess and the end portion of the bimorph element is filled by an elastic support member.

REFERENCES:
patent: 4099211 (1978-07-01), Hathaway
patent: 4251838 (1981-02-01), Saito
patent: 4326228 (1982-04-01), Sakamoto
patent: 4438469 (1984-03-01), Ohba
patent: 4558381 (1985-12-01), Bermans
patent: 4647999 (1987-03-01), Mlinaric et al.
patent: 4805057 (1989-02-01), Ogawa et al.
patent: 5036419 (1991-07-01), Okauchi et al.
patent: 5103361 (1992-04-01), Nagatsuka et al.

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