Method for writing a servo pattern using a writer having a split

Details Method for writing a servo pattern using a writer having a split Method for writing a servo pattern using a writer having a split

1999-08-12

2000-12-26

Faber, Alan T

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

57 7712, 57 7802, G11B 509

Patent

active

061668702

ABSTRACT:
A method for writing a servo pattern onto a length of magnetic tape includes writing a first frequency signal onto a first portion along the length of the tape, and writing a second frequency signal by simultaneously writing a plurality of spaced apart predetermined shapes. The predetermined spaced apart shapes are achieved by writing the second frequency using a writer having a split top pole. Passing the tape over the spaced apart top pole elements allows the writer to simultaneously write the plurality of spaced apart shapes. The tape can then be passed over a read module.

REFERENCES:
patent: 4280158 (1981-07-01), de Niet
patent: 4996609 (1991-02-01), Joannou
patent: 5453887 (1995-09-01), Negishi et al.
patent: 5629813 (1997-05-01), Baca et al.
patent: 5963400 (1999-10-01), Cates et al.
patent: 5973869 (1999-10-01), Gillingham et al.
patent: 6023385 (2000-02-01), Gillingham et al.

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