Near-Field Recording Head with Simple Tracking Design

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Copyright (c) 1999 The Japan Society of Applied Physics
, , Citation Der-Ray Huang et al 1999 Jpn. J. Appl. Phys. 38 1774 DOI 10.1143/JJAP.38.1774

1347-4065/38/3S/1774

Abstract

A two-zone solid-immersion lens is proposed for use in near-field recording. Two spots are generated. One illuminates the lower flat plane of the disk for reading/writing and the other illuminates the upper pregrooved plane of the disk for push-pull tracking.

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10.1143/JJAP.38.1774