Magnetic disk drive incorporating a mechanically damped base
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United States of America Patent
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Aug 10, 1993
Issued Date -
N/A
app pub date -
Nov 1, 1991
filing date -
Nov 9, 1989
priority date (Note) -
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Abstract
A magnetic disk drive design provides reduction of vibration and acoustic noise, and damping of mechanical resonances to mechanical components such as a base assembly. Based on applications of the principles of constrained layer damping, a layer of adhesive material is inserted between the base assembly and a circuit board assembly. In this manner, numerous advantages are provided, including reducing the acoustic noise produced by the drive, providing damping to structural resonances in the drive, and reliable attachment of the circuit board to the base assembly.
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