Method for reducing the altitudinal errors and run-out of a...

Details Method for reducing the altitudinal errors and run-out of a... Method for reducing the altitudinal errors and run-out of a...

2007-07-10

2007-07-10

Cao, Allen (Department: 2627)

Dynamic optical information storage or retrieval

Dynamic mechanism optical subsystem

Optical storage medium support

C310S06700R

Reexamination Certificate

active

10762968

ABSTRACT:
A method for reducing the altitudinal errors and run-out of a spindle motor is disclosed. The method includes the following steps. First is to mount a material layer on the loading surface. Then, a surface treatment is applied to the material layer until the average run-out of the surface of the material layer is below 10−2mm during the running of the spindle motor, and the distance between the surfaces of the material layer and one end of a shaft of the spindle motor achieves an expected value.

REFERENCES:
patent: 6125098 (2000-09-01), Osawa
patent: 6252319 (2001-06-01), Sudo et al.
patent: 6477001 (2002-11-01), Yang et al.
patent: 6664670 (2003-12-01), Kikuchi et al.
patent: 6965492 (2005-11-01), Obata et al.
patent: 2001/0024069 (2001-09-01), Yamaguchi

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