Patent ID: 11889264
Assignee: ORTA DOGU TEKNIK UNIVERSITESI
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC H

Claim 10:
11. The fiber optic MEMS microphone according to claim 1, wherein dimensions of a membrane design are as follows:
a substrate thickness (tsubs) is >650 μm,
a membrane diameter (dmembrane) is 1000 μm,
a hole-to-hole diameter (dHOLE-TO-HOLE) is 50 μm,
a dimple diameter (ddimple) is 12 μm,
a hole diameter (dhole) is 36 μm,
a metal thickness (tmetal) is 0.51 μm,
a POLY2 thickness (tpoly2) is 1.5 μm,
a dimple thickness (tdimple) is 0.75 μm,
a POLY1 thickness (tpoly1) is 2.0 μm,
a POLY0 thickness (tpoly0) is 0.51 μm, and
a SiN thickness (tSiN) is 0.61 μm.