Acoustic noise control in a disc drive

Details Acoustic noise control in a disc drive Acoustic noise control in a disc drive

1997-07-03

1999-11-09

Sniezek, Andrew L.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9701, G11B 3314

Patent

active

059825804

ABSTRACT:
A noise damping system for a disc drive wherein the cover of the disc drive can be made or stamped out of a stainless steel constrained layer of viscoelastic damping material. The material of the cover consists of two layers of stainless steel with a thin layer of damping material sandwiched between. A foam material between the base section of the housing and the printed circuit board located below the housing avoid transmission of vibrations which would in turn generate noise.

REFERENCES:
patent: 4760478 (1988-07-01), Pal et al.
patent: 5214549 (1993-05-01), Baker et al.
patent: 5282099 (1994-01-01), Kawagoe et al.
patent: 5282100 (1994-01-01), Tacklind et al.
patent: 5282101 (1994-01-01), Reinisch
patent: 5483397 (1996-01-01), Gifford et al.
patent: 5551145 (1996-09-01), Jurgenson
patent: 5650895 (1997-07-01), Koizumi et al.

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