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16 June 2017 MEMS microphone innovations towards high signal to noise ratios (Conference Presentation)
Alfons Dehé
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Proceedings Volume 10246, Smart Sensors, Actuators, and MEMS VIII; 1024602 (2017) https://doi.org/10.1117/12.2267872
Event: SPIE Microtechnologies, 2017, Barcelona, Spain
Abstract
After decades of research and more than ten years of successful production in very high volumes Silicon MEMS microphones are mature and unbeatable in form factor and robustness. Audio applications such as video, noise cancellation and speech recognition are key differentiators in smart phones. Microphones with low self-noise enable those functions. Backplate-free microphones enter the signal to noise ratios above 70dB(A). This talk will describe state of the art MEMS technology of Infineon Technologies. An outlook on future technologies such as the comb sensor microphone will be given.
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http://dx.doi.org/10.1117/12.2267872.5470997509001
© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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Alfons Dehé "MEMS microphone innovations towards high signal to noise ratios (Conference Presentation)", Proc. SPIE 10246, Smart Sensors, Actuators, and MEMS VIII, 1024602 (16 June 2017); https://doi.org/10.1117/12.2267872
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Cited by 2 scholarly publications.
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KEYWORDS
Microelectromechanical systems
Signal to noise ratio
Sensors
Silicon
Speech recognition
Video
Actuators
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