Micro-speaker and manufacturing method thereof
The invention discloses a micro-speaker and a manufacturing method thereof. The invention has the characteristics of improving the lack of the micro-speaker in low frequency sound pressure or having pliability. The micro-speaker is provided with a sandwich-like structure, and comprises two piezoelec...
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| Hauptverfasser: | , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention discloses a micro-speaker and a manufacturing method thereof. The invention has the characteristics of improving the lack of the micro-speaker in low frequency sound pressure or having pliability. The micro-speaker is provided with a sandwich-like structure, and comprises two piezoelectric material layers and a thin film configured therein. The piezoelectric material layer is in a circular structure in an example. |
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