Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism
Patent
1990-07-10
1992-08-04
Tupper, Robert S.
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
360 71, 360 75, 360103, 360105, G11B 560, G11B 554, G11B 2121, G11B 2122
Patent
active
051364387
ABSTRACT:
A magnetic head device has a magnetic head slider by means of which information is recorded in and read from a magnetic recording medium. The magnetic head slider is supported by a supporting structure having an internal cavity, an opening formed in a portion of the structure where the magnetic head slider faces the magnetic recording medium and communicating with the internal cavity, and a gas passage through which the gas introduced into the internal cavity through the opening is discharged to the exterior of the internal cavity. With this arrangement, the pressure acting on the back surface of the magnetic head slider is adjusted to keep the slider afloat, while removing dust suspended in the gas around the recording medium and the supporting structure.
REFERENCES:
patent: 2886651 (1959-05-01), Vogel
patent: 3018152 (1962-01-01), Cowan
patent: 4286297 (1981-08-01), Root et al.
patent: 4473855 (1984-09-01), Plotto et al.
patent: 4814906 (1989-03-01), Suzuki et al.
Kikuchi Katsuaki
Miyake Yoshihiko
Okamoto Noriaki
Suzuki Shoji
Takeuchi Yoshinori
Hitachi , Ltd.
Tupper Robert S.
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