公开(公告)号：US09693143B2

公开(公告)日：2017-06-27

申请号：US15103155

申请日：2014-11-27

Applicant: TESA SE

Inventor： Nicolai Böhm ,  Michael Egger ,  Mark Hänle ,  Alexander Herrmann ,  Bernhard Müssig ,  Andreas Westphal ,  Falk Hunger ,  Gero Maatz

IPC: H04R7/10 ,  H04R31/00

CPC classification number: H04R7/10 ,  H04R31/003 ,  H04R2307/025

Abstract: The invention relates to a multi-layer composite for the production of membranes for electroacoustic transducers, comprising a first and second cover layer, a first and second damping layer and a separating layer, the first and the second damping layer consisting of adhesive compositions the respective glass transition temperatures TG (DSC) of which differ by at least 10 K.