Servo band recorded magnetic tape, manufacturing method of...

Details Servo band recorded magnetic tape, manufacturing method of... Servo band recorded magnetic tape, manufacturing method of...

2007-01-30

2007-01-30

Young, Wayne (Department: 2627)

Dynamic magnetic information storage or retrieval

General processing of a digital signal

Data in specific format

C360S050000, C360S077120

Reexamination Certificate

active

10875921

ABSTRACT:
The present invention provides servo band recorded magnetic tapes, manufacturing method of the tapes, servo band writers and servo band Writing method. The background magnetic flux transition zone is generated with one directional polarization of the magnetization along the servo bands on the magnetic recording tapes. The servo stripes are generated with the reverse polarity of magnetization in the background magnetic flux transition zone. Then the magnetic flux servo transition against the background has more contrast so that the detected servo signal which is differential signal can be maintained in a high level.

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patent: 7002763 (2006-02-01), Bui et al.
patent: 2003-157634 (2003-05-01), None

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