Abrading – Precision device or process - or with condition responsive... – Computer controlled
Reexamination Certificate
2005-08-09
2005-08-09
Rose, Robert A. (Department: 3723)
Abrading
Precision device or process - or with condition responsive...
Computer controlled
C451S028000
Reexamination Certificate
active
06926582
ABSTRACT:
A system and method for burnishing the edges and corners of hard disk drive sliders uses a combination of flexible tape fixturing and mechanical protrusions located beneath the tape to systematically orient selected slider corners and edges to be exposed to an abrasive in a flexible manner. This solution carefully exposes the sliders even when there is very little clearance between the sliders. A variety of different rounding geometries are achieved by customizing the protrusions underneath the flexible tape. Multiple slider corners and/or edges are exposed to the abrasive at one time for bulk processing. The sliders are oriented in such a way that sensitive structures located on the air bearing surfaces of the sliders are not harmed during burnishing.
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R. N. Woolston,Lapping Edge Blending Technique, IBM Technical Disclosure Bulletin, Apr. 1976, vol. 18, p. 3779, n. 11.
Beckle Karl Frank
Chaw Michael William
Koch Richard H.
Thurber Mark Clinton
Valdes Bruno Alejandro
Bracewell & Giuliani LLP
Hitachi Global Storage Technologies Nethrlands B.V.
Rose Robert A.
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