Head stack assembly and manufacturing method thereof
AssigneeSAE Magnetics (H.K.) Ltd.
InventorsTakehiro Kamigama, Yiu Ho, Canhua Chen
Life of this patent
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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.
Claims21
A head stack assembly of a disk drive unit which comprises:
- a head arm assembly 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.
A method for manufacturing a head stack assembly of a disk drive unit, comprising:
- forming a head arm assembly wherein the head arm assembly is formed by:
- forming a head gimbal assembly;
- providing a raw drive arm and stamping it to form a spacer;
- and
- coupling the head gimbal assembly with the stamped drive arm together.
Dependencies are inferred from the claim text.