Grounding structure of TMR and GMR heads with a flying...

Details Grounding structure of TMR and GMR heads with a flying... Grounding structure of TMR and GMR heads with a flying...

2007-12-12

2011-10-18

Watko, Julie Anne (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Core

C360S319000, C360S317000

Reexamination Certificate

active

08040632

ABSTRACT:
A head for a hard disk drive. The head includes a substrate, a write element, a read element and a heater element. The head also includes a buffer layer between the read element and the substrate, and a first resistor connected to the heater element and the buffer layer. The buffer layer and resistor create an impedance that suppresses noise introduced to the head from the disk of the drive.

REFERENCES:
patent: 7239488 (2007-07-01), Zhu et al.
patent: 7436633 (2008-10-01), Kiyono et al.
patent: 7542243 (2009-06-01), Lou et al.
patent: 7738214 (2010-06-01), Ohtsu
patent: 2004/0165305 (2004-08-01), Nishiyama
patent: 2006/0198057 (2006-09-01), Leung et al.
patent: 2006/0256481 (2006-11-01), Kagami et al.
patent: 2008/0100970 (2008-05-01), Araki et al.

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