Semiconductor Transducer Device with Multilayer Diaphragm and Method of Manufacturing a Semiconductor Transducer Device with Multilayer Diaphragm

In an embodiment a semiconductor transducer device includes a semiconductor body and a diaphragm having a first layer and a second layer, wherein a main extension plane of the diaphragm is arranged parallel to a surface of the semiconductor body, wherein the diaphragm is suspended at a distance from...

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Bibliographische Detailangaben
Hauptverfasser:	Faes, Alessandro, Pijnenburg, Remco Henricus Wilhelmus, Siegert, Jörg, Besling, Willem Frederik Adrianus
Format:	Patent
Sprache:	eng
Schlagworte:	MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICALDEVICES MICROSTRUCTURAL TECHNOLOGY PERFORMING OPERATIONS PHYSICS PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTUREOR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	In an embodiment a semiconductor transducer device includes a semiconductor body and a diaphragm having a first layer and a second layer, wherein a main extension plane of the diaphragm is arranged parallel to a surface of the semiconductor body, wherein the diaphragm is suspended at a distance from the semiconductor body in a direction perpendicular to the main extension plane of the diaphragm, wherein the second layer comprises titanium and/or titanium nitride, wherein the first layer comprises a material that is resistant to an etchant comprising fluorine or a fluorine compound, and wherein the second layer is arranged between the semiconductor body and the first layer.