×

Composite for production of an acoustic membrane and acoustic membrane

  • US 9,827,749 B2
  • Filed: 03/31/2014
  • Issued: 11/28/2017
  • Est. Priority Date: 04/16/2013
  • Status: Expired due to Fees
First Claim
Patent Images

1. An assembly for producing an acoustic membrane, the assembly comprising (A) an inner carrier layer having two opposing surfaces, (B) at least one layer of adhesive on each of the two surfaces of the carrier layer and (C) a further polymeric film disposed on an outer surface of at least one of the layers of adhesive, wherein the carrier layer is a layer of a polyaryletherketone (PAEK) film, wherein said layer of a PAEK film is the only layer of a PAEK film in the assembly, and wherein an acoustic membrane produced from said assembly exhibits a more uniform frequency response characteristic and a lower harmonic distortion factor than an acoustic membrane produced from a comparison assembly that has an inner carrier layer of polyethylene terephthalate (PET).

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×