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 very small mountable device has a hole to let the acoustic waves reach the microphone chip inside. Looking through that hole you can see the integrated circuitry. 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 darkfield, 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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