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Reverse Burnishing of Magnetic Disks

IP.com Disclosure Number: IPCOM000052613D
Original Publication Date: 1981-Jun-01
Included in the Prior Art Database: 2005-Feb-11
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Lyn, DR: AUTHOR

Abstract

Reverse burnishing of thin film disks to eliminate glide height test defects may be accomplished with the disk surface rotating in a direction opposite from that which it was designed to be used in a disk file.

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Reverse Burnishing of Magnetic Disks

Reverse burnishing of thin film disks to eliminate glide height test defects may be accomplished with the disk surface rotating in a direction opposite from that which it was designed to be used in a disk file.

Thus, a disk surface which will rotate clockwise in a file would be burnished counter-clockwise with a counter-clockwise head. The effect of this operation is the elimination of defects which, because of their shape, would not have been burnished away in the conventional manner.

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