Disk unit, a servo track write system and a servo track write me

Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head

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G11B 2108

Patent

active

061511870

ABSTRACT:
Each servo disk is formed by obtaining an angle from a stopper space obtained by moving an actuator, further obtaining a feed pitch angle for each cylinder by a prespecified number of cylinders from the angle, and writing servo data thereon according to the pitch angle, so that a feed pitch angle becomes larger in association with a wider space between the stoppers, with which a larger track pitch for each cylinder can be insured.

REFERENCES:
patent: 4703371 (1987-10-01), Redmond et al.
patent: 5559648 (1996-09-01), Hunter et al.
patent: 5570247 (1996-10-01), Brown et al.
patent: 5581420 (1996-12-01), Chainer et al.
patent: 5761007 (1998-06-01), Price et al.
patent: 5926336 (1999-07-01), Le et al.
patent: 5949603 (1999-09-01), Brown et al.

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