Abstract
An attempt was made to simulate the performance of a tensioned‐diaphragm, electret‐based, microphone. Use of commercial finite‐element analysis programs were unsuccessful because of the computational system used. An alternate method was developed using a relaxation approach. A third‐order equation for the balance of forces appeared to give approximate solutions for both tensioned and multiply supported diaphragms. Contours of physical deformation and acoustic compliance were generated and mapped. From these computations, an improved electret backplate and diaphragm system were designed.
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