Method for making a disc drive

Details Method for making a disc drive Method for making a disc drive

2007-10-02

2007-10-02

Kim, Paul D. (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S606000, C029S607000, C360S264700, C360S264900, C360S266400, C360S294500

Reexamination Certificate

active

10735971

ABSTRACT:
The upper voice coil motor magnet assembly (64a′) of a disk drive (10′) is magnetically aligned with the lower voice coil motor magnet assembly (64b′) using an alignment fixture (126). The alignment fixture (126) engages the upper voice coil motor magnet assembly (64a′) and lifts the same into a suspended position above the lower voice coil motor magnet assembly (64b′). In this suspended condition, the alignment fixture (126) allows the magnetic field to move the upper voice coil motor magnet assembly (64a′) within the horizontal dimension to a magnetically aligned position with the lower voice coil motor magnet assembly (64b′). Thereafter, the alignment fixture (126) lowers the upper voice coil motor magnet assembly (64a′) to a position where the same is again supported above the lower voice coil motor magnet assembly (64b′).

REFERENCES:
patent: 3955315 (1976-05-01), Goodman
patent: 5734527 (1998-03-01), Reinhart
patent: 5956213 (1999-09-01), Dague et al.
patent: 6532136 (2003-03-01), Bae et al.
patent: 6710981 (2004-03-01), Oveyssi et al.
patent: 11039810 (1999-02-01), None
“Processing of Neodymium-Iron-Boron melt-spun ribbons to fully dense magnets”; Lee, R.; Brewer, E.; Schaffel, N.; Magnetics, IEEE Transactions on vol. 21, Issue 5; Sep. 1985; pp. 1958-1963.

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