The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 30, 2012
Filed:
Jun. 20, 2005
Stefan Schmitt-walter, Oberhaching, DE;
Lutz Seffner, Dresden, DE;
Thomas Roedig, Dresden, DE;
Sylvia Gebhardt, Dresden, DE;
Bent Brueckner, Dresden, DE;
Andreas Schoenecker, Freital, DE;
Stefan Schmitt-Walter, Oberhaching, DE;
Lutz Seffner, Dresden, DE;
Thomas Roedig, Dresden, DE;
Sylvia Gebhardt, Dresden, DE;
Bent Brueckner, Dresden, DE;
Andreas Schoenecker, Freital, DE;
S.W.A.C. Schmitt-Walter Automation Consult GmbH, Oberhaching, DE;
Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung E.V., Munich, DE;
Abstract
A pressure sensor has a multiplicity of piezoelectric converter elements which are arranged such that they are essentially parallel to a force-applying or pressure-applying direction. The converter elements can be arranged at a distance from one another by an insulating material and/or are at least partially embedded in the material. A support material having greater mechanical rigidity than the converter elements, in particular in the force-applying or pressure-applying direction, is assigned to at least a number of piezoelectric converter elements, or the piezoelectric converter element is applied, in the form of a layer, to a supporting body made from this support material and is electrically contact-connected, for example, by a bottom electrode, which is arranged between the converter element layer and the supporting body, and a cover electrode which is applied to an outer side of the converter element layer.