Heat assisted magnetic recording head comprising plasmon...

Details Heat assisted magnetic recording head comprising plasmon... Heat assisted magnetic recording head comprising plasmon...

2008-09-26

2010-11-16

Dinh, Tan X (Department: 2627)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Thermomagnetic recording or transducers

C369S013330, C369S013130

Reexamination Certificate

active

07835102

ABSTRACT:
Provided is a plasmon antenna in which a near-field light having a sufficient intensity is generated only in a desired location. The plasmon antenna comprises an end surface on a side where a near-field light is generated; the end surface is flat and has a shape with at least three vertexes or rounded corners; and an end surface of the plasmon antenna which is opposite to the flat end surface and receives light, is inclined with respect to the flat end surface so as to become closer to the flat end surface toward one of the at least three vertexes or rounded corners. When the light-receiving end surface of the plasmon antenna is irradiated with the light, a near-field light having a sufficient intensity can be generated at only the vertex or rounded corner toward which the entire plasmon antenna becomes thinner.

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