ACOUSTIC MEMBRANE WITH ASYMMETRIC LAYER ARRANGEMENT
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United States of America Patent
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Oct 29, 2015
app pub date -
Apr 29, 2015
filing date -
Apr 29, 2014
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Abstract
A membrane for an acoustic transducer may comprise a first layer comprising a first material, a second layer disposed on the first layer, the second layer comprising a second material that is different from the first material, and a third layer disposed on the second layer, the third layer comprising a third material that is different from the first material and the second material, the third layer configured to be coupled with a moveable coil. The first material may be a polyaryletherketone (PAEK), the second material may be acrylate, and the third material may be polyetherimide (PEI), polycarbonate (PC), or another similar material.
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