Hermetically sealed head disk assembly and method of sealing...

Details Hermetically sealed head disk assembly and method of sealing... Hermetically sealed head disk assembly and method of sealing...

2011-03-22

2011-03-22

Miller, Brian E (Department: 2627)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

C720S648000

Reexamination Certificate

active

07911732

ABSTRACT:
A sealed head disk assembly has a base casting for providing attachment points for the major components of the head disk assembly. The base casting has a semi-hermetic seal encompassing an outer perimeter of the base casting and allows the semi-hermetic seal to be juxtaposed to at least one complementary surface on the cover. The cover for enclosing the major components of the head disk assembly has a hermetic seal outside a perimeter of the complementary surface for the semi-hermetic seal thus allowing the hermetic seal to be juxtaposed to at least one complementary surface on the base casting.

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