Silicon Condenser Microphone
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United States of America Patent
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Issued Date -
Jul 2, 2015
app pub date -
May 22, 2014
filing date -
Dec 30, 2013
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Abstract
A silicon condenser microphone is disclosed. The silicon condenser microphone includes a substrate having a top surface, a lower surface opposed to the top surface, and a recess concave from the top surface toward the lower surface. The recess includes a bottom for carrying a transducer unit thereon. The microphone further includes a chip stacked on the transducer. By virtue of this configuration, the size of the microphone is reduced, and acoustic performance of the microphone is accordingly improved.
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