... 单(异〉向导电膜 ACF anisotropic conductive film 驻极电介体膜 foil electret 电咏护膜，电着护膜 Electrocoating ...
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foil electret microphone 薄膜驻极体传声器
·2,447,543篇论文数据，部分数据来源于NoteExpress
Lucent researchers replaced it with an electret microphone, which picks up sound using a polymer foil more than 1, 000 times smaller than the diaphragm in a dynamic microphone that picks up fewer vibrations.
FORBES: Racecar Drivers To Use Bell Labs Microphone
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