公开(公告)号：US09827749B2

公开(公告)日：2017-11-28

申请号：US14784642

申请日：2014-03-31

Applicant: tesa SE

Inventor： Michael Egger ,  Bernhard Müssig ,  Philip Schultz

IPC: H04R25/00 ,  B32B27/28 ,  B32B7/12 ,  H04R7/10 ,  C09J7/02 ,  H04R31/00 ,  C09D171/00

CPC classification number: B32B27/285 ,  B32B7/12 ,  B32B27/288 ,  B32B2250/40 ,  B32B2255/10 ,  B32B2255/26 ,  B32B2307/10 ,  B32B2371/00 ,  C08G2650/40 ,  C09D171/00 ,  C09J7/25 ,  C09J2201/128 ,  C09J2433/00 ,  C09J2471/006 ,  H04R7/10 ,  H04R31/003 ,  H04R2307/025 ,  H04R2499/11

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.