Pole structure to relieve adjacent track writing

Details Pole structure to relieve adjacent track writing Pole structure to relieve adjacent track writing

2006-01-17

2006-01-17

Miller, Brian E. (Department: 2652)

Dynamic magnetic information storage or retrieval

Head

Gap spacer

Reexamination Certificate

active

06987643

ABSTRACT:
A method and system for providing a pedestal defined zero throat write head is disclosed. The method and system include providing a first pole having a pedestal, a second pole and a gap separating the pedestal of the first pole from a portion of the second pole. The pedestal has a front, a back and a notch. The gap has a first portion and a second portion. The first portion of the gap is in proximity to front of the pedestal. The second portion of the gap is in proximity to the back of the pedestal. The first portion of the gap is thinner than the second portion of the gap.

REFERENCES:
patent: 5283942 (1994-02-01), Chen et al.
patent: 6172848 (2001-01-01), Santini
patent: 6317289 (2001-11-01), Sasaki
patent: 6339523 (2002-01-01), Santini
patent: 6339524 (2002-01-01), Furusawa et al.
patent: 6339872 (2002-01-01), Chang et al.
patent: 6353995 (2002-03-01), Sasaki et al.
patent: 6430806 (2002-08-01), Chen et al.
patent: 6557242 (2003-05-01), Santini

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