Search Results - "Bretthauer, Christian"

Ultra-Low-Voltage Capacitive Micromachined Ultrasonic Transducers with Increased Output Pressure Due to Piston-Structured Plates by Merbeler, Fabian, Wismath, Sonja, Haubold, Marco, Bretthauer, Christian, Kupnik, Mario

“…Capacitive micromachined ultrasonic transducers (CMUTs) represent an accepted technology for ultrasonic transducers, while high bias voltage requirements and…”
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On the Feasibility of Fan-Out Wafer-Level Packaging of Capacitive Micromachined Ultrasound Transducers (CMUT) by Using Inkjet-Printed Redistribution Layers by Roshanghias, Ali, Dreissigacker, Marc, Scherf, Christina, Bretthauer, Christian, Rauter, Lukas, Zikulnig, Johanna, Braun, Tanja, Becker, Karl-F, Rzepka, Sven, Schneider-Ramelow, Martin

“…Fan-out wafer-level packaging (FOWLP) is an interesting platform for Microelectromechanical systems (MEMS) sensor packaging. Employing FOWLP for MEMS sensor…”
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Ultrasound Fill Level and Touch Sensors through Acoustic Coupling for CMUTs by Merbeler, Fabian, Bretthauer, Christian, Kupnik, Mario

“…Capacitive micromachined ultrasonic transducers (CMUTs) are the next-gen ultrasound transducers for diverse applications. CMUTs provide high bandwidth and…”
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A Non-Linear Lumped Model for the Electro-Mechanical Coupling in Capacitive MEMS Microphones by Anzinger, Sebastian, Bretthauer, Christian, Tumpold, David, Dehe, Alfons

“…This work provides an analytical non-linear model for the capacitive transduction in MEMS transducers with perforated counter-electrodes, especially applicable…”
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Dual-Backplate CMUTs with Wide Bandwidth and Low Driving Voltage for Airborne Applications by Anzinger, Sebastian, Bretthauer, Christian, Wasisto, Hutomo Suryo, Dehe, Alfons

“…In this work, novel airborne capacitive micromachined ultrasonic transducers (CMUTs) based on a dual-backplate (DBP) technology are presented. In contrast to…”
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Acoustic transmission line based modelling of microscaled channels and enclosures by Anzinger, Sebastian, Manz, Johannes, Bretthauer, Christian, Krumbein, Ulrich, Dehé, Alfons

“…An analytical model is presented that describes the acoustical impedance of cylindrical tubes and concentrically connected systems of such tubes valid up to…”
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Ultra-compact Clamp-on Liquid Level Sensor based on a Low-Voltage CMUT by Merbeler, Fabian, Anzinger, Sebastian, Bretthauer, Christian, Kupnik, Mario

“…Determining the liquid level in containers is a challenging task in many industries, as there are different kinds of containers and liquids. The approach for…”
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Compact High-Performance Vibration Sensor Based on Single-Backplate MEMS Technology by Goswami, Somu, Bretthauer, Christian, Bogner, Andreas, Basavanna, Abhiraj, Anzinger, Sebastian, Haubold, Marco, Lorenz, Gunar, Strasser, Johann, Weber, Daniel, Servadei, Lorenzo, Wille, Robert

“…The quality of voice communication using True Wireless Stereo (TWS) is not ideal in noisy environments. Existing two microphone beamforming solution is unable…”
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The Realization of Redistribution Layers for FOWLP by Inkjet Printing by Ali Roshanghias, Ying Ma, Marc Dreissigacker, Tanja Braun, Christian Bretthauer, Karl-F. Becker, Martin Schneider-Ramelow

“…The implementation of additive manufacturing technology (e.g., digital printing) to the electronic packaging segment has recently received increasing…”
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MEMS Microphone Array for Airborne Ultrasonic 3D Tracking by Fusco, Alessandra, Krueger, Martin, Froemel, Andreas, George, Veena, Bretthauer, Christian

“…This contribution illustrates how to design a newly developed modular hardware platform to enable hand tracking. The proposed system features Infineon's…”
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Ultra-Low-Voltage High-Efficiency CMUTs with Piston-Structured Plates for Fill Level Sensing by Merbeler, Fabian, Wismath, Sonja, Haubold, Marco, Bretthauer, Christian, Kupnik, Mario

“…Capacitive micromachined ultrasonic transducers (CMUTs) provide manifold advantages over ultrasound transducers based on piezo-electric materials. However, a…”
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Design Optimization of a Corrugated Piezoelectric MEMS Microphone applying Genetic Algorithms by Bosetti, Gabriele, Bretthauer, Christian, Bogner, Andreas, Krenzer, Michael, Gierl, Karolina, Heiss, Heinrich, Schrag, Gabriele

“…In this work we present an automated design optimization framework based on genetic algorithms to explore and assess the full potential of high-performance…”
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Single-Layer Corrugated Aluminum Nitride Membranes as Piezoelectric Micromachined Ultrasonic Transducers with Differential Readout and Actuation by Bosetti, Gabriele, Bretthauer, Christian, Steinberger, Michael, Gierl, Karolina, Krenzer, Michael, Schrag, Gabriele

“…In this paper we present a novel cost efficient differential PMUT concept based on a single layer corrugated AlN membrane without carrier layer. Each membrane…”
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Overcoming In-band Interference in Airborne Ultrasounds: A Robust System Design by Fusco, Alessandra, Krueger, Martin, Bretthauer, Christian, Froemel, Andreas, Servadei, Lorenzo, Wille, Robert

“…This paper introduces a novel system designed to enhance the robustness of airborne ultrasound technology against in-band interference. By integrating…”
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Modeling of Dual-Backplate based Airborne CMUTs with Enhanced Bandwidth by Anzinger, Sebastian, Fusco, Alessandra, Tumpold, David, Bretthauer, Christian, Dehe, Alfons

“…This work presents a lumped element based model of an airborne capacitive micromachined ultrasonic transducer (CMUT) based on a dual-backplate MEMS technology…”
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Broadband Acoustical MEMS Transceivers for Simultaneous Range Finding and Microphone Applications by Anzinger, Sebastian, Bretthauer, Christian, Manz, Johannes, Krumbein, Ulrich, Dehe, Alfons

“…This work presents capacitive ultrasonic transceivers based on a dual-backplate MEMS microphone technology. The transducers exploit mechanical and acoustical…”
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A Novel High-SNR Full Bandwidth Piezoelectric MEMS Microphone Based on a Fully Clamped Aluminum Nitride Corrugated Membrane by Bosetti, Gabriele, Bretthauer, Christian, Bogner, Andreas, Krenzer, Michael, Gierl, Karolina, Timme, Hans-Joerg, Heiss, Heinrich, Schrag, Gabriele

“…We present an innovative design and the related fabrication method for a high-SNR piezoelectric MEMS microphone based on fully clamped corrugated aluminum…”
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Low Power Capacitive Ultrasonic Transceiver Array for Airborne Object Detection by Anzinger, Sebastian, Lickert, Fabian, Fusco, Alessandra, Bosetti, Gabriele, Tumpold, David, Bretthauer, Christian, Dehe, Alfons

“…This work presents a low power ultrasonic transceiver line array enabling energy efficient airborne object detection. The line array is based on capacitive…”
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A Single Ultrasonic Transducer Fast and Robust Short-Range Distance Measurement Method by Lagler, Daniel, Anzinger, Sebastian, Pfann, Eugen, Fusco, Alessandra, Bretthauer, Christian, Huemer, Mario

“…Capacitive micromachined ultrasonic transducers (CMUTs) enable the design of small and low-cost proximity sensors for application areas such as embedded…”
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