Rotary head adjuster

Details Rotary head adjuster Rotary head adjuster

1991-11-26

1994-08-23

Psitos, Aristotelis

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

360109, 360 7716, G11B 2102, G11B 556

Patent

active

053412567

ABSTRACT:
A head base has at least one head chip fixed thereto. A position of the head chip is adjusted to a predetermined position by applying a laser beam to the head base to cause plastic deformation of the head base. Appropriate laser radiation conditions are set depending upon a necessary amount of positional adjustment of the head chip fixed to the head base.

REFERENCES:
patent: 4507696 (1985-03-01), Hutter
patent: 4814908 (1989-03-01), Schmitz
patent: 5065267 (1991-11-01), Yohda
Patent Abstracts of Japan, vol. 8, No. 278 (P-322) (1715) Dec. 19, 1984 and JP-A-59 144 030 (Sony K.K.) Aug. 17, 1984.
Patent Abstracts of Japan, vol. 14, No. 321 (P-1074) (4264) Jul. 10, 1990 and JP-A-105 318 (Topcon Corp.) Apr. 17, 1990.
Proceedings of LAMP '87, Osaka (May, 1987), "Laser Forming of Metals and Alloys" Yoshiharu Namba, pp. 601-606.
Rikohgaku-sha, "Welding Engineering" First Edition, May 11, 1989, with summary and translation of pp. 80-84.

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