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Manufacturing method for stiffened diaphragm and the manufactured diaphragm using same

  • US 9,402,134 B2
  • Filed: 09/19/2014
  • Issued: 07/26/2016
  • Est. Priority Date: 09/19/2014
  • Status: Active Grant
First Claim
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1. A stiffened diaphragm manufacturing method, comprising the steps of:

  • a) applying a hot glue layer and a stiffened glue layer to two opposite sides of a stiffened plate respectively;

    b) putting the stiffened plate on a base layer, and then heating and adhering the base layer and the stiffened plate together; and

    c) performing a pressing process on the base layer and the stiffened plate to form a diaphragm.

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