- 专利标题： DIAPHRAGM FOR USE IN MICRO SOUND-GENERATING APPARATUS, AND MICRO SOUND-GENERATING APPARATUS
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申请号： EP20795437.1申请日： 2020-04-20
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公开(公告)号： EP3962110A1公开(公告)日： 2022-03-02
- 发明人: HUI, Bing , WANG, Shuqiang , LING, Fengguang , LI, Chun , LIU, Chunfa
- 申请人： Goertek Inc
- 申请人地址： CN Weifang, Shandong 261031 No. 268 Dongfang Road Hi-Tech Industry District
- 代理机构： Hübner, Gerd
- 优先权： CN201910335477 20190424
- 国际公布： WO2020216170 20201029
- 主分类号： H04R7/12
- IPC分类号： H04R7/12
摘要：
Disclosed are a diaphragm for a miniature sound-generating device, wherein the diaphragm is made of a polyacrylate copolymer, a reinforcing agent is mixed in the polyacrylate copolymer, the polyacrylate copolymer is 100 parts by mass, and the reinforcing agent comprises at least one of carbon black, silicon dioxide, calcium carbonate and barium sulphate, and is 1-90 parts by mass. The diaphragm provided in the disclosure possesses excellent sound performance.
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