Patent · US Active

Head stack assembly with spacers to partition drive arms

US8018688B2 · kind B2 · utility

4Cited by

7References

13Claims

0Family size

Assignee

SAE MAGNETICS (H.K.) LTD. · CN

Inventors

Takehiro Kamigama · Kwai Chung, CN
Yiu Sing Ho · Hong Kong, CN
Canhua Chen · Dongguan, CN

Key dates

Filing date	Nov 30, 2007
Grant date	Sep 13, 2011
Priority date	—
Expiry date	Apr 13, 2030

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T83/0577
WIPO fieldAudio-visual technology
WIPO sectorElectrical engineering

Abstract

A head stack assembly of a disk drive unit includes 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. At least one undercut is formed on the spacer of the drive arm to strengthen the drive arm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.