Acoustic transducers for microphone assemblies having non-circular apertures
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United States of America Patent
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Oct 25, 2022
Grant Date -
Dec 10, 2020
app pub date -
Jun 5, 2020
filing date -
Jun 7, 2019
priority date (Note) -
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Abstract
An acoustic transducer comprises a transducer substrate, and an aperture having a non-circular perimetral shape defined through the transducer substrate. A diaphragm is disposed on the transducer substrate and coupled to a surface of the transducer substrate via at least one diaphragm anchor such that a gap is defined between the diaphragm and the transducer substrate, and an outer periphery of the diaphragm extends radially outwards of a rim of the aperture such that a portion of the diaphragm overhangs the aperture.
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