Heat-Assisted Magnetic Recording Head for Servo Writing

An apparatus includes a write pole, a waveguide adjacent to the write pole, the waveguide having a truncated end, and a blocking layer positioned adjacent the truncated end and extending from one side of the waveguide across a portion of an aperture at the truncated end. The waveguide can be a solid...

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Bibliographische Detailangaben
Hauptverfasser: CHALLENER WILLIAM ALBERT, GOKEMEIJER NILS JAN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:An apparatus includes a write pole, a waveguide adjacent to the write pole, the waveguide having a truncated end, and a blocking layer positioned adjacent the truncated end and extending from one side of the waveguide across a portion of an aperture at the truncated end. The waveguide can be a solid immersion minor or a channel waveguide.