Method for manufacturing a head stack assembly

Details Method for manufacturing a head stack assembly Method for manufacturing a head stack assembly

2008-01-29

2008-01-29

Kim, Paul D. (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S603030, C029S603060, C029S893330, C072S343000, C072S362000, C083S029000, C083S035000, C083S036000, C083S050000, C360S266100, C360S265700, C360S240000, C360S244200, C360S244800

Reexamination Certificate

active

10832444

ABSTRACT:
A head stack assembly of a disk drive unit including a head arm assembly (HAA) having a head gimbal assembly, a drive arm to be connected with the head gimbal assembly; wherein the drive arm comprises a securing portion, a connection portion and a spacer connecting the securing portion with the connection portion. In the present invention, at least one undercut is formed on the spacer of the drive arm to strengthen the drive arm. The invention also discloses a method of manufacturing such a head stack assembly.

REFERENCES:
patent: 5319512 (1994-06-01), Grapenthin
patent: 6166888 (2000-12-01), Tsuda et al.
patent: 7161769 (2007-01-01), Chang et al.

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