| 摘要 |
A MEMS transducer comprises a substrate (124). A membrane layer (120) is supported by the substrate (124). A back-plate layer (110) is supported by the membrane layer (120), said back-plate layer comprising a respective sidewall portion and a respective raised portion. One or more columns (116) are provided separate from the sidewall portion of the back-plate layer, said columns (116) connecting the back-plate layer, the membrane layer and the substrate.
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