Diaphragm for electro-acoustic transducer

Diaphragm for electro-acoustic transducer

  • CN 101,375,631 A
  • Filed: 01/19/2007
  • Published: 02/25/2009
  • Est. Priority Date: 01/23/2006
  • Status: Active Application
First Claim
Patent Images

1. diaphragm for electro-acoustic transducer, it is formed through moulding by the film that contains poly biphenyl ether sulphone resin (A), and described poly biphenyl ether sulphone resin (A) has the repetitive of following structural formula (1) expression:

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