设计了一种以多晶硅薄膜作为振动膜片的电容式硅微声传感器。
A capacitive micro-acoustic sensor with a polysilicon film as diaphragm was designed in this paper.
当喇叭线圈与蓄电池的电路接通时，喇叭线圈产生的磁力振动膜片，产生响亮的声音。
When the horn winding is connected to the Battery, the magnetism produced by the winding pulls the diaphragm down, creating a loud click.
膜片振动， 这使得周围的空气也动荡起来。
The diaphragm vibrates, thus setting the air around it in motion.
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