Perpendicular recording and read head assembly with in situ...

Details Perpendicular recording and read head assembly with in situ... Perpendicular recording and read head assembly with in situ...

2006-01-10

2006-01-10

Hudspeth, David (Department: 2651)

Dynamic magnetic information storage or retrieval

General recording or reproducing

Selective erase recording

C360S313000

Reexamination Certificate

active

06985322

ABSTRACT:
A data storage apparatus includes a magnetic medium having a top recording layer of hard magnetic material for perpendicularly storing magnetic data and a bottom underlayer of soft magnetic material, a read head for reading magnetic data from a recorded portion of the recording layer, a stabilizer for magnetically stabilizing a portion of the underlayer directly below the recorded portion simultaneously while the read head is reading magnetic data from the recorded portion and the read head and the stabilizer being separate structures.

REFERENCES:
patent: 5900728 (1999-05-01), Moser et al.
patent: 6025977 (2000-02-01), Hu et al.
patent: 6667848 (2003-12-01), Khizroev et al.
patent: 2002/0075586 (2002-06-01), Dimitrov et al.
patent: 2002/0145832 (2002-10-01), Seigler et al.
patent: 2003/0137779 (2003-07-01), Santini et al.

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