Composite disk clamp assembly with lower layer fixedly...

Details Composite disk clamp assembly with lower layer fixedly... Composite disk clamp assembly with lower layer fixedly...

2007-12-18

2007-12-18

Renner, Craig A. (Department: 2627)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

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Reexamination Certificate

active

10651598

ABSTRACT:
A composite ring for coupling a disk to a spindle includes a upper layer constructed of a material having a hardness at least as hard as a primary material of the disk. A lower layer is fixedly coupled to the upper layer and constructed of a material having similar properties to that of the disk, the properties being selected from a group consisting of a coefficient of thermal expansion and Young's modulus.

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Office Action Summary from U.S. Appl. No. 10/651,744, which was mailed on Jun. 15, 2005.
Office Action Summary from U.S. Appl. No. 10/652,059, which was mailed on May 26, 2005.

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