Title:
DIAPHRAGM FOR SOUND PRODUCING DEVICE, AND SOUND PRODUCING DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/273750
Kind Code:
A1
Abstract:
Disclosed are a diaphragm for a sound producing device, and a sound producing device. The diaphragm is obtained by adding a filler, a structure control agent, and a cross-linking agent into a base polymer and mixing same, and performing molding at 80°C to 200°C, wherein the base polymer comprises one or more phenyl siloxane-containing polymers, and the content of phenyl in each of the phenyl siloxane-containing polymers ranges from 0.5% to 75% by weight; the damping of the diaphragm is 0.1-0.6. The present invention can improve the damping of the diaphragm and reduce distortion of the sound producing device.
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Inventors:
WANG HAIFENG (CN)
WANG TING (CN)
LI CHUN (CN)
WANG TING (CN)
LI CHUN (CN)
Application Number:
PCT/CN2022/095826
Publication Date:
January 05, 2023
Filing Date:
May 29, 2022
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04R31/00; H04R9/02; H04R9/04; H04R9/06
Foreign References:
| CN113490129A | 2021-10-08 | |||
| CN109195074A | 2019-01-11 | |||
| CN110862691A | 2020-03-06 | |||
| CN111019358A | 2020-04-17 | |||
| CN106967299A | 2017-07-21 | |||
| JP2006166029A | 2006-06-22 |
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