| 摘要 |
An electret electroacoustic transducer comprises first porous complex electrode, support member, electret vibrating film and first adjustment member. Support member is configured on the first porous complex electrode. The fixed portion of the electret vibrating film is fixed on the support member. Adjustment member is set between the first porous complex electrode and the electret vibrating film. A sectional difference is formed between the fixed portion and the adjusted portion of the electret vibrating film. |
