Head stack assembly, manufacturing method thereof and...

Details Head stack assembly, manufacturing method thereof and... Head stack assembly, manufacturing method thereof and...

2009-02-26

2011-11-15

Ho, Hoai V (Department: 2827)

Dynamic magnetic information storage or retrieval

Head

Gap spacer

C360S125090

Reexamination Certificate

active

08059365

ABSTRACT:
Embodiments of the present invention provide a head stack assembly and a manufacturing method thereof in which manufacturing costs as a multi-disc magnetic device are reduced by increasing the yield and reducing inventory of magnetic heads which can be assembled to the head stack assembly. According to one embodiment, a head stack assembly and a manufacturing method thereof includes plural actuator arms to which magnetic heads are assembled through suspensions. The tolerance of the core width or the write element width of the magnetic heads assembled to inside actuator arms of the plural actuator arms is set to be narrower than the tolerance of the core width or the write element width of the magnetic heads assembled to the outside actuator arms.

REFERENCES:
patent: 6881124 (2005-04-01), Takahashi et al.
patent: 7023633 (2006-04-01), Malone, Sr.
patent: 7145740 (2006-12-01), Zayas et al.
patent: 7900341 (2011-03-01), Katsumura

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