Magnetic head device

Details Magnetic head device Magnetic head device

1992-04-17

1994-04-12

Casaregola, Louis J.

Dynamic magnetic information storage or retrieval

Miscellaneous

360107, G11B 2116, G11B 2124

Patent

active

053031083

ABSTRACT:
A magnetic head device includes a rotary cylinder and a magnetic head having one end fixed to an inner portion of one surface of the rotary cylinder such that the magnetic head extends from the inner portion toward the outer circumference of the rotary cylinder in alignment with a radius thereof. The head tip is provided on another end of magnetic head. A laser beam is impinged on the base plate at a portion within a range from 2 mm to (5.times.T1/2)mm from the outer edge of head tip where T is a thickness of the bass plate. The portion on which the beam impinged is heated and melts causing the base plate to incline in a vertical direction which is parallel to an axis the rotary cylinder. Thus, the head tip is positioned at a required horizontal level which is perpendicular to the axis of the rotary cylinder.

REFERENCES:
patent: 4203140 (1980-05-01), Watanabe
patent: 4814908 (1989-03-01), Schmitz
patent: 4882635 (1989-11-01), Sanai
patent: 5065267 (1991-11-01), Yohda
patent: 5103361 (1992-04-01), Nagatsuka et al.
Rikohgaku-sha, "Welding Engineering", First Edition, May 11, 1989, with summary and translation of pp. 80-84.

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