Contact magnetic printing of magnetic media using actuated...

Details Contact magnetic printing of magnetic media using actuated... Contact magnetic printing of magnetic media using actuated...

2005-09-27

2005-09-27

Faber, Alan T. (Department: 2651)

Dynamic magnetic information storage or retrieval

Record copying

Contact transfer

Reexamination Certificate

active

06950253

ABSTRACT:
A magnetic printing apparatus includes a dipole magnet that supplies a magnetic field to a magnetic media, a holder for holding the magnetic media, a set of stampers with servo patterns and a press for pressing the magnetic media firmly against the stampers while the magnetic media and stampers are being exposed to a magnetic field and a set of elastomer pads to distribute and equalize the force of the press on the magnetic media. Servo formatting, using the contact magnetic printing apparatus, is done by positioning the magnetic media against the stampers. A force is then applied to the magnetic media and stamper so that the two are in firm contact with each other. A sequence of magnetic fields is then applied to the stampers and magnetic media which duplicates the servo patterns of the stamper onto the magnetic media.

REFERENCES:
patent: 5075801 (1991-12-01), Chi et al.
patent: 5991104 (1999-11-01), Bonyhard
patent: 6347016 (2002-02-01), Ishida et al.

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