GERD GUENTHER / SCIENCE PHOTO LIBRARY GERD GUENTHER / SCIENCE PHOTO LIBRARY
Light micrograph of a MEMS (MicroElectroMechanical System) microphone wafer. MEMS microphones are installed in nearly all modern smartphones. The image shows a detailed view of the MEMS wafer, you can see the border of the MEMS unit. The MEMS is mounted together with the amplifier wafer in the small housing. Microscopic contrast technique: Incident differential interference contrast. Magnification: 200x when printed 10 centimetres wide.
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