Diaphragm for dynamic microphones and methods of manufacturing the same
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United States of America Patent
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Nov 2, 1993
Grant Date -
N/A
app pub date -
Jul 22, 1991
filing date -
Jul 22, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A diaphragm for microphones having a laminate structure which imparts damping characteristics to the diaphragm is disclosed. The laminate comprises upper and lower resilient layers composed of a plastic film. The upper and lower layers constrain a center layer composed of an elastomeric material having a high dissipation of vibratory shear motion. Manufacturing techniques for making such diaphragms are disclosed.
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