国家/地区 中国（4）
IPC部 H（4）
IPC大类 H04（4）
IPC小类 H04R（4）
IPC H04R009/02（4） H04R009/06（4） H04R007/04（3）
H04R007/06（3） H04R031/00（3）
发明人 LI C（4） HUI B（3） LING F（3）
LIU C（3） MA C（3） ZHANG C（3）
公开年 2023（4）
申请年 2021（3） 
专利权人 GOERTEK INC（4）

Diaphragm of sounding device, comprises at least one modified acrylate rubber film layer prepared by mixing inorganic hollow microspheres, additives and acrylate polymers to form mixed rubber performing crosslinking reaction, and immersing modified acrylate rubber film layer in oily solvent.

ZHANG C, LIU C, LING F, LI C, HUI B, MA C

Vibration diaphragm used in sounding device e.g. loudspeaker, comprises modified ethylene-vinyl acetate rubber film layer formed by mixing inorganic hollow microspheres having preset distribution density, additive and ethylene-vinyl acetate polymer to obtain mixed powder, and crosslinking.

ZHANG C, LIU C, LING F, LI C, HUI B, MA C

Vibrating film of sound production device e.g. loudspeaker, comprises modified ethylene-propylene rubber film layer, which is prepared by mixing e.g. additive and polymer compounded by ethylene and propylene as basic monomer to form mixed rubber and cross-linking.

ZHANG C, LIU C, FU X, LING F, LI C, HUI B, MA C

Vibrating diaphragm useful for sounding device, has main body made of polyetheretherketone, thermoplastic polyester elastomer, thermoplastic polyurethane elastomer, silicone rubber, ethylene-acrylate rubber, acrylate rubber, and hydrogenated nitrile rubber and conductive part.

CHENG Z, LI C, WANG M, ZHANG Z