Disk drive having an acoustic damping assembly with an...

Details Disk drive having an acoustic damping assembly with an... Disk drive having an acoustic damping assembly with an...

2005-10-11

2005-10-11

Klimowicz, William J. (Department: 2652)

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

C720S651000

Reexamination Certificate

active

06954329

ABSTRACT:
A disk drive that includes a head disk assembly (HDA) having a disk drive base, and a printed circuit board assembly (PCBA) in communication with the HDA. The invention further includes an acoustic damping assembly placed between the disk drive base and the PCBA. The acoustic damping assembly includes first and second acoustic absorption layers having major surfaces, an acoustic barrier layer placed in between the major surfaces, and the major surfaces and the acoustic barrier layer are fixed in a stacked relationship.

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patent: 2002/0141108 (2002-10-01), Daniel et al.
patent: WO 2002/071417 (2002-09-01), None

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