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Featured researches published by Markus Hauser.


european frequency and time forum | 2014

Investigation of GeO2 thin film properties for improvement of temperature coefficient of frequency of SAW devices

Matthias Knapp; Philipp Jäger; Markus Hauser; Ulrike Rösler; Werner Ruile; Günter Scheinbacher; Matthias Honal; Ingo Bleyl; Leonhard M. Reindl

We have investigated the temperature dependent elastic constants of SiO<sub>2</sub> and GeO<sub>2</sub>. For this purpose, the phase velocity of the layered system has to be calculated using surface acoustic wave (SAW) differential delay lines on LiNbO<sub>3</sub> substrates. Both SiO<sub>2</sub> and GeO<sub>2</sub> have a positive temperature coefficient of velocity. The GeO<sub>2</sub> layer shows a significant reduction of the phase velocity compared to SiO<sub>2</sub> which yields to an improved energy trapping of the surface acoustic wave in the overlay. However, severe stability issues arise using the GeO<sub>2</sub> layer.


Archive | 2009

Component Working with Guided Bulk Acoustic Waves

Werner Ruile; Ulrike Roesler; Markus Hauser


Archive | 2013

MICROACOUSTIC DEVICE WITH WAVEGUIDE LAYER

Philipp Michael Jaeger; Ulrike Roesler; Markus Hauser; Werner Ruile; Matthias Honal


Archive | 2010

Method for Producing an Electric Component Comprising at Least One Dielectric Layer, and Electric Component Comprising at Least One Dielectric Layer

Werner Ruile; Markus Hauser; Christoph Eggs; Hans-Peter Kirschner


Archive | 2016

Electro-acoustic transducer and manufacturing method thereof

Werner Ruile; Markus Mayer; Ulrike Roesler; Markus Hauser; Ingo Bleyl; Karl-Christian Wagner; Wolfgang Sauer; Michael Jakob; Thomas Ebner; Edgar Schmidhammer; Stefan Berek; Christoph Eggs


Archive | 2014

ELECTROACOUSTIC TRANSDUCER HAVING PERFORMANCE ENHANCED BY REDUCING LATERAL DIRECTION RADIATION LOSS AND SUPPRESSING LATERAL DIRECTION MODE

Werner Ruile; Markus Meyer; Ulrike Roesler; Markus Hauser; Ingo Bleyl; Karl-Christian Wagner; Wolfgang Sauer; Jacob Michael; Thomas Ebner; Edgar Schmidhammer; Stefan Berek; Christoph Eggs


Archive | 2010

Convertisseur électroacoustique doté de pertes réduites par une émission transversale et de performances améliorées par une suppression des modes transversaux

Werner Ruile; Markus Mayer; Ulrike Rösler; Markus Hauser; Ingo Bleyl; Karl-Christian Wagner; Wolfgang Sauer; Michael Jakob; Thomas Ebner; Edgar Schmidhammer; Stefan Berek; Christoph Eggs


Archive | 2008

Elektronisches Bauelement Electronic component

Markus Hauser; Ulrike Rösler


Archive | 2008

Verfahren zur Herstellung eines elektrischen Bauelements mit mindestens einer dielektrischen Schicht und ein elektrisches Bauelement mit mindestens einer dielektrischen Schicht A method of manufacturing an electrical device having at least a dielectric layer and an electrical component having at least one dielectric layer

Christoph Eggs; Markus Hauser; Hans-Peter Kirschner; Werner Ruile


Archive | 2007

Mit geführten akustischen Volumenwellen arbeitendes Bauelement With guided bulk acoustic wave device working

Markus Hauser; Ulrike Rösler; Werner Ruile

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