Smartphone MEMS microphone, light micrograph

Smartphone MEMS microphone, light micrograph

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Credit: GERD GUENTHER/SCIENCE PHOTO LIBRARY

Caption: Light micrograph of a MEMS (MicroElectroMechanical System) microphone, installed in nearly all modern smartphones. The image shows the MEMS microphone with disassembled housing to show the wafer components inside. The left wafer is the MEMS unit to receive acoustic waves, the right wafer is an amplifier to make the signals recordable for the smartphone electronic. Microscopic contrast technique: Incident darkfield together with incident brightfield. Magnification: 40x when printed 10 centimetres wide.

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Keywords: amplifier, amplifier wafer, bond wire, chip, circuit, circuitry, communication, component, components, electric, electronic, electronics, incident differential interference contrast, layer, light micrograph, light microscope, lm, mems, mems microphone, mems wafer, metal, microchip, microelectromechanical system, microphone, microscope, pcb, smartphone, smd, sonic waves, surface mounted device, technological, technology, wafer

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