EP 3078065 A1 20161012 - PIEZO ACTUATOR AND CONTROL VALVE WITH SUCH A PIEZO ACTUATOR
Title (en)
PIEZO ACTUATOR AND CONTROL VALVE WITH SUCH A PIEZO ACTUATOR
Title (de)
PIEZOAKTOR UND STEUERVENTIL MIT EINEM SOLCHEN PIEZOAKTOR
Title (fr)
ACTIONNEUR PIÉZO-ÉLECTRIQUE ET SOUPAPE DE COMMANDE ÉQUIPÉ D'UN TEL ACTIONNEUR PIÉZO-ÉLECTRIQUE
Publication
Application
Priority
- DE 102013224839 A 20131204
- EP 2014076100 W 20141201
Abstract (en)
[origin: WO2015082399A1] The invention relates to a piezo actuator (1) with a plurality of parallel piezo active layers (3), a metal layer electrode (4a; 4b) being arranged between each two adjacent layers (3). The layer electrodes (4a; 4b) are alternately guided to the lateral surface (9), where the layer electrodes contact an outer electrode (10a; 10b) applied onto one lateral surface (9) of the piezo actuator (1). The outer electrode (10a; 10b) has a contact layer (IIa; IIb) in the form of a metal layer applied directly onto the lateral surface (9) and a sieve electrode (12a; 12b) which is applied onto the contact layer (IIa; IIb) and electrically contacts same over the entire region where the sieve electrode and the contact layer overlap. The contact layer (IIa; IIb) has regions which are cut out in the region where the contact layer and the sieve electrode (12; 12b) overlap, one cut-out region (15) being provided at the height of each layer electrode (4a; 4b).
IPC 8 full level
H01L 41/047 (2006.01)
CPC (source: EP)
H10N 30/872 (2023.02)
Citation (search report)
See references of WO 2015082399A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2015082399 A1 20150611; DE 102013224839 A1 20150611; EP 3078065 A1 20161012
DOCDB simple family (application)
EP 2014076100 W 20141201; DE 102013224839 A 20131204; EP 14809329 A 20141201