Heat-assisted magnetic recording head and heat-assisted...

Details Heat-assisted magnetic recording head and heat-assisted... Heat-assisted magnetic recording head and heat-assisted...

2006-08-29

2006-08-29

Young, Wayne (Department: 2651)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Thermomagnetic recording or transducers

Reexamination Certificate

active

07099096

ABSTRACT:
A heat-assisted magnetic recording head includes a thin film magnetic transducer having a pair of yokes and generating a magnetic field in a magnetic gap between two magnetic poles at the ends of the pair of yokes, and a heater placed in the vicinity of the magnetic gap and generating heat with an electric current. A part of a magnetic recording medium in the vicinity of the magnetic gap is heated by the heater to reduce a magnetic-coercive of the part of the magnetic recording medium and the magnetic field generated by the thin film magnetic transducer is applied to the part of the magnetic recording medium.

REFERENCES:
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patent: 6325947 (2001-12-01), Garfunkel et al.
patent: 6493183 (2002-12-01), Kasiraj et al.
patent: 6671127 (2003-12-01), Hsu et al.
patent: 2001/0040868 (2001-11-01), Ueyanagi et al.
patent: 2003-45004 (2003-02-01), None
T. Raush et al.; Magneto Optical Recording International Symposium; Moris '02 Digest Book.

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