Thermo-resistive flight attitude measurements of flying heads in near field magneto-optical data storage

A thermo-resistive test head that uses thermo-resistors embedded in the air bearing surface (ABS) was created. Joule heating by the sensing current generates a heat flow across the head-disk spacing which highly depends on the distance between ABS and disk. Due to the thermal sensors located on each...

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Bibliographic Details
Main Authors: Gatzen, H.H., Knappmann, S., Neumeister, C.
Format: Conference Proceeding
Language:English
Subjects:
Disk recording
Glass
Magnetic field measurement
Magnetic heads
Memory
Optical recording
Optical sensors
Scanning electron microscopy
Testing
Thermal sensors
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Description
Summary:A thermo-resistive test head that uses thermo-resistors embedded in the air bearing surface (ABS) was created. Joule heating by the sensing current generates a heat flow across the head-disk spacing which highly depends on the distance between ABS and disk. Due to the thermal sensors located on each of the four corners of a slider, pitch, roll, and flying height variations may be measured.
ISSN:2150-4598
2150-4601
DOI:10.1109/INTMAG.2005.1463550