Near field light assisted magnetic recording head and...

Details Near field light assisted magnetic recording head and... Near field light assisted magnetic recording head and...

2007-07-20

2011-11-08

Neyzari, Ali (Department: 2627)

Dynamic information storage or retrieval

Storage or retrieval by simultaneous application of diverse...

Magnetic field and light beam

Reexamination Certificate

active

08054714

ABSTRACT:
A head using near field light is formed, which is characterized by including a near field light assisted magnetic recording head characterized by including a pyramid tip43configured to generate near field light at the tip end thereof, in which magnetic recording is conducted by assistance of the near field light, a magnetic recording element13is formed of a first magnetic pole16aand a second magnetic pole16b, the first magnetic pole is formed of a first thin film on a first side surface of the tip, the second magnetic pole is formed of a second thin film on a second side surface facing to the first side surface of the tip, and the first thin film and the second thin film have different film thicknesses.

REFERENCES:
patent: 2009/0028007 (2009-01-01), Oumi et al.
patent: 2011/0007621 (2011-01-01), Park et al.
patent: 2001208672 (2001-08-01), None
patent: 2002090283 (2002-03-01), None
patent: 2003228802 (2003-08-01), None
patent: 2004022004 (2004-01-01), None
patent: 2005056477 (2005-03-01), None

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