公开(公告)号：US12143791B2

公开(公告)日：2024-11-12

申请号：US17767561

申请日：2019-12-25

Applicant: Goertek Inc.

Inventor： Weifeng Peng ,  Fengguang Ling ,  Chun Li ,  Chunfa Liu

IPC: H04R7/04 ,  C08J5/04 ,  C08J7/04 ,  C08K3/06 ,  C08K5/00 ,  C08K5/40

Abstract: Provided is a vibrating diaphragm of a sound-producing apparatus. The vibrating diaphragm includes at least one elastomer layer, wherein the elastomer layer is made from polysulfide rubber; the polysulfide rubber is any one of type A polysulfide rubber, type FA polysulfide rubber and type ST polysulfide rubber, and a molecular weight of the polysulfide rubber is 1000-500000.