Electret diaphragm and speaker using the same

An electret diaphragm and a speaker using the same are provided. The electret diaphragm includes an electret layer, a bonding layer adhered to a surface of the electret layer, and an aluminum (Al) electrode layer adhered on the bonding layer. The electret layer at least includes ethylene group polym...

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Bibliographische Detailangaben
Hauptverfasser: LEE, CHIH-KUNG, LEU, ING-YIH, KO, WENING, KAO, CHE-I, CHEN, MING-DAW, TSENG, CHIEN-KAI, LIOU, CHANG-HO, CHAN, YI-JEN
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:An electret diaphragm and a speaker using the same are provided. The electret diaphragm includes an electret layer, a bonding layer adhered to a surface of the electret layer, and an aluminum (Al) electrode layer adhered on the bonding layer. The electret layer at least includes ethylene group polymer. A material of the bonding layer is ethylene-ethyl-acrylate (EEA) or ethylene-vinyl acetate (EVA).