STACKED CHIP MICROPHONE
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United States of America Patent
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app pub date -
Jul 13, 2016
filing date -
Jul 13, 2016
priority date (Note) -
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Abstract
A microphone device comprises a base, a port formed in the base, a cover attached to the base that forms a housing interior with the base, an MEMS element disposed in the housing interior and on top of the port, and an integrated circuit stacked on top of the MEMS element. The MEMS element includes a diaphragm and a backplate opposing the diaphragm. The integrated circuit includes an active surface and a substrate supporting the active surface. Circuitry and/or connectors are formed on the active surface for processing signals produced by the MEMS element. The substrate faces the MEMS element.
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