Twin head design for micro-actuator position sensing in a hard d

Details Twin head design for micro-actuator position sensing in a hard d Twin head design for micro-actuator position sensing in a hard d

1997-12-17

2000-06-20

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360109, 360 7805, 360 7812, G11B 555

Patent

active

060784768

ABSTRACT:
An actuator architecture allows precision control of a micro-actuator read/write head 16a, 16b by measuring the position directly with the read/write heads rather than relying on a position sensor. The position of the micro-actuator head 16a, 16b with respect to the conventional actuator assembly 12 is determined by comparing the position of the micro-actuator head 16a with the position of a second head 16b affixed to the conventional actuator 12 using disk servo patterns.

REFERENCES:
patent: 5724015 (1998-03-01), Tai et al.
patent: 5745319 (1998-04-01), Takekado et al.
patent: 5834864 (1998-10-01), Hesterman et al.
patent: 5856896 (1999-01-01), Berg et al.
patent: 5867347 (1999-02-01), Knight et al.
patent: 5898544 (1999-04-01), Krinke et al.

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