Perpendicular magnetic recording head comprising gap shield

Details Perpendicular magnetic recording head comprising gap shield Perpendicular magnetic recording head comprising gap shield

2006-07-27

2009-12-29

Renner, Craig A (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Core

Reexamination Certificate

active

07639454

ABSTRACT:
A perpendicular magnetic recording head includes: a main pole; a return pole spaced a predetermined gap from the main pole; an induction coil inducing a magnetic field on the main pole; and two or more gap shields, wherein the two or more gap shields are formed in the gap between the main pole and the return pole.

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patent: 2000-251227 (2000-09-01), None
patent: 10-0259453 (2000-03-01), None

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