公开(公告)号：US20180050900A1

公开(公告)日：2018-02-22

申请号：US15676430

申请日：2017-08-14

Applicant: Cirrus Logic International Semiconductor Ltd.

Inventor： Stephen DUFFY ,  Colin Robert JENKINS ,  Tsjerk Hans HOEKSTRA

IPC: B81B3/00 ,  B81C1/00 ,  H04R19/00 ,  H04R19/04 ,  H04R7/06

CPC classification number: B81B3/0072 ,  B81B2201/0257 ,  B81B2203/0127 ,  B81B2203/04 ,  B81B2207/03 ,  B81C1/00666 ,  H04R7/06 ,  H04R19/005 ,  H04R19/04 ,  H04R2201/003

Abstract: The application describes a MEMS transducer comprising a layer of conductive material provided on a surface of a layer of membrane material. The layer of conductive material comprises first and second regions, wherein the thickness and/or the conductivity of the/each first and second regions is different.