Aerodynamic base design for TMR reduction

Details Aerodynamic base design for TMR reduction Aerodynamic base design for TMR reduction

2005-05-10

2005-05-10

Miller, Brian E. (Department: 2652)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

Reexamination Certificate

active

06891696

ABSTRACT:
A disk drive includes an enclosure having a cover and a base, a spindle motor assembly, a disk, and an arcuate raised portion on the base. The disk is mounted on a hub of the spindle motor assembly and has a first surface and a second surface. The first surface is proximate the base and is spaced apart from the base by a first clearance distance. The arcuate raised portion on the base is spaced apart from the disk by a second clearance distance. The second clearance distance is less than the first clearance distance. At least a portion of the disk is superposed over the arcuate raised portion.

REFERENCES:
patent: 5541791 (1996-07-01), Yamasaki et al.
patent: 5898545 (1999-04-01), Schirle
patent: 5956203 (1999-09-01), Schirle et al.
patent: 6097568 (2000-08-01), Ekhoff
patent: 6208484 (2001-03-01), Voights
patent: 6542328 (2003-04-01), Harrison et al.
patent: 6600626 (2003-07-01), Shimizu et al.

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