Patent · US Active

Composite for production of an acoustic membrane and acoustic membrane

US9827749B2 · kind B2 · utility

4Cited by

4References

15Claims

0Family size

Assignee

tesa SE · DE

Inventors

Michael Egger · Hamburg, DE
Bernhard Mussig · Seevetal, DE
Philip Schultz · Bargteheide, DE

Key dates

Filing date	Mar 31, 2014
Grant date	Nov 28, 2017
Priority date	—
Expiry date	Mar 31, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH04R2499/11
WIPO fieldSurface technology, coating
WIPO sectorChemistry

Abstract

The invention relates to a composite for production of an acoustic membrane, wherein the composite comprises an internal carrier layer and at least two adhesive layers on the two surfaces of the carier layer, and wherein the carrier layer is a layer of a polyaryl ether ketone film; and also to a corresponding membrane for acoustic transducers.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.