EP 1899699 A1 20080319 - PRESSURE SENSOR
Title (en)
PRESSURE SENSOR
Title (de)
DRUCKSENSOR
Title (fr)
DETECTEUR DE PRESSION
Publication
Application
Priority
EP 2005006629 W 20050620
Abstract (en)
[origin: WO2006136182A1] A pressure sensor has a multiplicity of piezoelectric converter elements which are arranged such that they are essentially parallel to a force-recording or pressure-recording direction. Said converter elements may be in the form of fibres, small bars, plates or the like and may also be in the form of a thick or thin layer. When the converter elements are in the form of fibres, small bars or plates, they are arranged at a distance from one another by means of an insulating material and/or are at least partially embedded in said material. In order to improve such a pressure sensor to the effect that it can also be used for high pressures, for a long service life and for different mechanical applications, a support material having greater mechanical rigidity than the converter elements, in particular in the force-recording or pressure-recording 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 means of 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.
IPC 8 full level
G01L 1/16 (2006.01)
CPC (source: EP US)
A61B 5/1172 (2013.01 - EP US); G01L 1/16 (2013.01 - EP US)
Citation (search report)
See references of WO 2006136182A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 2006136182 A1 20061228; EP 1899699 A1 20080319; JP 2008544262 A 20081204; JP 5040008 B2 20121003; US 2010011884 A1 20100121; US 8297133 B2 20121030
DOCDB simple family (application)
EP 2005006629 W 20050620; EP 05753196 A 20050620; JP 2008517325 A 20050620; US 92247805 A 20050620