High accuracy bearing surface slotting process for tape head fabrication

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United States of America Patent

PATENT NO 9704514
SERIAL NO

15289002

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Abstract

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A method according to one embodiment includes lapping an end of a section of a thin film wafer for polishing the end of the section, the section having a plurality of rows of transducers formed on a substrate. A bearing surface slot is formed in the polished end at a location that defines a tape bearing surface extending between the bearing surface slot and portions of the transducers exposed on the polished end. A row is sliced from the section, the row having the polished end and bearing surface slot.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Biskeborn, Robert G Hollister, US 360 3609
Lo, Calvin S Saratoga, US 169 1646

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