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COMPOUND MEMBRANE, METHOD OF MANUFACTURING THE SAME, AND ACOUSTIC DEVICE

  • US 20100040246A1
  • Filed: 10/06/2007
  • Published: 02/18/2010
  • Est. Priority Date: 11/08/2006
  • Status: Active Grant
First Claim
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1. A compound membrane for an acoustic device, the compound membrane comprising:

  • a first layer;

    a second layers connected to the first layer;

    wherein a value of Young'"'"'s modulus of the second layer does not vary more than 30% in a temperature range between 20°

    C. and +85°

    C.

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