公开(公告)号：US20180343532A1

公开(公告)日：2018-11-29

申请号：US15988539

申请日：2018-05-24

Applicant: MING CHI UNIVERSITY OF TECHNOLOGY

Inventor： Jyh-Wei LEE ,  Jen-Chun CHANG ,  Yi-Jie LIAO

IPC: H04R31/00 ,  H04R9/06 ,  H04R9/02 ,  H04R7/12

CPC classification number: H04R31/003 ,  H04R7/125 ,  H04R7/127 ,  H04R9/025 ,  H04R9/06 ,  H04R2307/027 ,  H04R2307/204

Abstract: The present invention provides an acoustic diaphragm including: a cone and a surround mounted around the cone; wherein an amorphous titanium-zirconium film is formed on a cone substrate, a surround substrate, or both of the substrates. The present invention also provides a speaker containing the acoustic diaphragm.