Infineon Technologies Ag

Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

Infineon Technologies Dresden Gmbh

Cree Gmbh

Alfons Dehe

Stefan Barzen

Christoph Glacer

Marc Fueldner

Stefan Kolb

Horst Theuss

David Tumpold

Ulrich Krumbein

Arnaud Walther

Johann Strasser

Carsten Ahrens

Wolfgang Klein

Wolfgang Friza

Gerhard Metzger-Brueckl

Franz Jost

Martin Wurzer

Stephan Pindl

Jochen Huber

Juergen Woellenstein

Andreas Wiesbauer

Michael Schneider

Ulrich Schmid

Christian Bretthauer

Manuel Dorfmeister

Dominic Maier

Bernhard Knott

Mohsin Nawaz

Juergen Wagner

Wilhelm Wiedmeier

Guenther Ruhl

Reinhard Gabl

Christian Herzum

Gunar Lorenz

Gueclue Onaran

Daniel Lugauer

Andre Schmenn

Damian Sojka

Vijaye Rajaraman

Matthias Friedrich Herrmann

Roland Helm

Abidin Güçlü Onaran

Andreas Froemel

Ulf Bartl

Shu-Ting Hsu

John Brueckner

Yonsuang Arnanthigo

Manfred Kaltenbacher

Edward Fuergut

Thoralf Kautzsch

Gottfried Beer

Rainer Markus Schaller

Irmgard Escher-Poeppel

Dirk Meinhold

Steffen Bieselt

Thomas Grille

Bernd Goller

Heiko Froehlich

Thomas Kilger

Uwe Seidel

Ursula Hedenig

Uwe Hoeckele

Daniel Porwol

Markus Menath

Alessia Scire

Gerhard Lohninger

Markus Eckinger

Prashanth Makaram

Alfred Sigl

Johannes Manz

Soenke Pirk

Marc Füldner

Sebastian Beer

Franz Xaver Muehlbauer

Martin Seidl

Alfred Sigi

Yauheni Belahurau

Daniel Fruechtl

Matthias Vobl

Xu Cheng

Marina Fekry Megally Bastarous

Daniiel Fruechtl

A MEMS pump includes a basis structure, a membrane structure opposing the basis structure and being deflectable parallel to a surface normal of the basis structure and includes a pump chamber between the basis structure and the membrane structure wherein a volume of the pump chamber is based on a position of the membrane structure with respect to the basis structure. The MEMS pump includes a passage for letting a fluid pass into the pump chamber or exit the pump chamber, wherein the passage is arranged in-plane with respect to the pump chamber. The MEMS pump includes a valve structure coupled to the passage for connecting, in a first state, the passage to a first outer volume and for connecting, in a second state, the passage to a second outer volume.

Thin MEMS pump with membrane and valve lip structure

A structure for fixing a membrane to a carrier including a carrier; a suspended structure; and a holding structure with a rounded concave shape which is configured to fix the suspended structure to the carrier and where a tapered side of the holding structure physically connects to the suspended structure is disclosed. A method of forming the holding structure on a carrier to support a suspended structure is further disclosed. The method may include: forming a holding structure on a carrier; forming a suspended structure on the holding structure; shaping the holding structure such that it has a concave shape; and arranging the holding structure such that a tapered side of the holding structure physically connects to the suspended structure.

Support structure and method of forming a support structure

An apparatus for in-situ calibration of a photoacoustic sensor includes a measurement device configured to measure an electric signal at an IR emitter of the photoacoustic sensor, wherein the IR emitter generates an electromagnetic spectrum based on the electric signal; and a calibration unit including processing circuitry, configured to compare the electric signal with a comparison value to generate a comparison result used as calibration information. When performing the in-situ calibration, the calibration unit is configured to adjust the electric signal based on the calibration information, or the calibration unit is configured to process an output signal of the photoacoustic sensor based on the calibration information to obtain an adjusted output signal of the photoacoustic sensor.

Apparatus and method for in-situ calibration of a photoacoustic sensor

A reference chamber for a fluid sensor comprises a housing, a deflectable structure, which is arranged movably within the housing, a control device configured to drive the deflectable structure at a first point in time such that the deflectable structure assumes a defined position, and to drive the deflectable structure at a second point in time such that the deflectable structure moves out of the defined position and a movement of the deflectable structure in the housing is obtained. The reference chamber comprises an evaluation device configured to determine a movement characteristic of the movement of the deflectable structure on the basis of the moving into the defined position or on the basis of the moving out of the defined position and to determine an atmospheric property in the housing on the basis of the movement characteristic.

System and method for a reference chamber with a housing and a deflectable structure

An apparatus for analyzing the particulate matter content of an aerosol includes an aerosol chamber configured to receive an aerosol, the particulate matter content of which should be analyzed, at least one ultrasonic generator configured to produce ultrasonic waves in the aerosol received in the aerosol chamber, an ultrasonic detector configured to detect ultrasonic waves produced by the at least one ultrasonic generator in the aerosol, and an evaluator having a data exchange communication link with the ultrasonic detector and configured to ascertain the matter content on the basis of signals output by the ultrasonic detector. The ultrasonic generator and the ultrasonic detector are positioned relative to one another such that a path length to be traversed by ultrasonic waves between the ultrasonic generator and the ultrasonic detector is less than 1 cm.

Apparatus for analyzing the particulate matter content of an aerosol

A gas sensor includes a multi-wafer stack of a plurality of layers and a measurement chamber. The plurality of layers includes a first layer comprising a sensor element that has a microelectromechanical system (MEMS) membrane; and a second layer comprising an emitter element configured to emit electromagnetic radiation. The measurement chamber is interposed between the first layer and the second layer. The measurement chamber is configured to receive a measurement gas and further receive the electromagnetic radiation emitted by the emitter element as the electromagnetic radiation travels along a radiation path from a first end of the measurement chamber to a second end of the measurement chamber that is opposite to the first end.

Wafer arrangement for gas sensor

According to an embodiment, a microelectromechanical systems MEMS device includes a first membrane attached to a support structure that a first plurality of acoustic vents; a second membrane attached to the support structure that includes a second plurality of acoustic vents, where the first plurality of acoustic vents and the second plurality of acoustic vents do not overlap; and a closing mechanism coupled to the first membrane and the second membrane.

System and method for a MEMS device

An apparatus for in-situ calibration of a photoacoustic sensor is provided. The apparatus includes a calibration unit that includes at least one processor configured to calculate calibration information. A light emitter of the photoacoustic sensor is configured to emit an electromagnetic spectrum and the photoacoustic sensor is configured to provide at least two measurement signals based on at least two electromagnetic spectra. The calibration unit is configured to compare the at least two measurement signals to obtain the calibration information and apply the calibration information to the photoacoustic sensor to perform the in-situ calibration.

A transducer structure is disclosed. The transducer structure may include a substrate with a MEMS structure located on a first side of the substrate and a lid coupled to the first side of the substrate and covering the MEMS structure. The substrate may include an electric contact which is laterally displaced from the lid on the first side of the substrate and electrically coupled to the MEMS structure.

Low profile transducer module

A sensor element includes a membrane structure suspended on a frame structure, wherein the membrane structure includes a membrane element and an actuator. The membrane structure is deflectable in a first stable deflection state and in a second stable deflection state and is operable in a resonance mode in at least one of the first and the second stable deflection states. The actuator is configured to deflect the membrane structure in a first actuation state into one of the first and the second stable deflection states, and to operate the membrane structure in a second actuation state in a resonance mode having an associated resonance frequency.

Sensor element, particle sensor device and method for detecting a particulate matter density

According to an embodiment, a sensor package includes an electrically insulating substrate including a cavity in the electrically insulating substrate, an ambient sensor, an integrated circuit die embedded in the electrically insulating substrate, and a plurality of conductive interconnect structures coupling the ambient sensor to the integrated circuit die. The ambient sensor is supported by the electrically insulating substrate and arranged adjacent the cavity.

System and method for a transducer in an EWLB package

A production method for a double-membrane MEMS component includes: providing a layer arrangement on a carrier substrate, wherein the layer arrangement comprises a first membrane structure, a sacrificial material layer adjoining the first membrane structure, and a counterelectrode structure in the sacrificial material layer and at a distance from the first membrane structure, wherein at least one through opening is formed in the sacrificial material layer as far as the first membrane structure; forming a filling material structure in the at least one through opening by applying a first filling material layer on the wall region of the at least one through opening; applying a second membrane structure on the layer arrangement with the sacrificial material; and removing the sacrificial material from an intermediate region to expose the filling material structure in the intermediate region.

Double-membrane MEMS component and production method for a double-membrane MEMS component

A MEMS sensor includes a housing with an interior volume, wherein the housing has an access port to the interior volume, a MEMS component in the housing, and a protection structure, which reduces an introduction of electromagnetic disturbance radiation with a wavelength in the range between 10 nm and 20 &#x3bc;m into the interior volume through the access port and reduces a propagation of the electromagnetic disturbance radiation in the interior volume.

MEMS-sensor

For manufacturing a sound transducer structure, membrane support material is applied on a first main surface of a membrane carrier material and membrane material is applied in a sound transducing region and an edge region on a surface of the membrane support material. In addition, counter electrode support material is applied on a surface of the membrane material and recesses are formed in the sound transducing region of the membrane material. Counter electrode material is applied to the counter electrode support material and membrane carrier material and membrane support material are removed in the sound transducing region to the membrane material.

Sound transducer structure and method for manufacturing a sound transducer structure

Growing community of inventors

Reutlingen, Germany

Alfons Dehe