Epcos Ag

Reylon Plasma Gmbh

Epcoa Ag

Tdk Electronics Ag

Georg Kuegerl

Alexander Glazunov

Franz Rinner

Markus Puff

Frank Werner

Reinhard Gabl

Robert Hoffmann

Martin Galler

Christoph Auer

Stefan Nettesheim

Marion Ottlinger

Oliver Dernovsek

Michael Schossmann

Dieter Somitsch

Bernhard Doellgast

Jan-Thorsten Reszat

Dariusz Korzec

Dominik Burger

Manfred Reinisch

Peter Gerletz

Michael Stahl

Andreas Stani

Florian Hoppenthaler

Wolfgang Bauer

Franz Aldrian

Markus Weiglhofer

A piezoelectric actuator of a multilayer design includes outer electrodes that are fastened by means of a bonding layer applied by thermal spraying. For example, the outer electrodes are formed as a woven wire fabric. Furthermore, a method for fastening an outer electrode in a piezoelectric actuator is specified.

Method of forming a piezoelectric actuator

An apparatus for producing a plasma including a control circuit which is electrically connected to a piezoelectric transformer in order to excite the piezoelectric transformer. A hand-held device that uses the apparatus. The piezoelectric transformer is constructed of several layers. The control circuit is implemented on a circuit board, and the piezoelectric transformer is held over the circuit board by means of a region of a first end. A high voltage is applied to a second free end of the piezoelectric transformer. The plasma is produced at atmospheric pressure.

Apparatus for producing a plasma and hand-held device having the apparatus

A method for producing a ceramic multilayer element is disclosed. In an embodiment the method includes forming a plurality of multilayer segments in a green state, wherein each multilayer segment is formed by pressing together a plurality of ceramic layers in the green state and pressing together the multilayer segments in the green state to form a multilayer element that is in the green state. The method further includes sintering the multilayer element that is in the green state to form a ceramic multilayer element that includes the ceramic layers and electrode layers arranged one on top of another, wherein at least one or more of a temperature at which the multilayer segments are pressed together, a pressing force applied during the pressing of the multilayer segments, and/or a duration of the pressing of the multilayer segments are adjusted.

Method for producing a multilayer element

The invention relates to a plasma generation device comprising a plurality of plasma modules for generating a plasma. Each plasma module has a module housing with at least one gas inlet for supplying a process gas. Furthermore, a discharge device for generating the plasma from the process gas and a plasma outlet are provided. The plasma generation device has at least two plasma modules for generating a plasma. Each plasma module has at least one gas outlet for some of the process gas, wherein the at least one gas outlet of at least one plasma module issues into a respective gas inlet of another plasma module.

Plasma generating device

A piezoelectric multilayer component is specified. At least one external electrode is fixed to a stack of piezoelectric layers and electrode layers arranged therebetween. At least one region of the external electrode projects beyond the stack and the external electrode is at least partly pressure-deformed in said region. Furthermore, a method for forming an external electrode in a piezoelectric multilayer component is specified.

Piezoelectric multilayer component and method for forming an external electrode in a piezoelectric multilayer component

Piezoelectric actuator of a multilayer design and method for fastening an outer electrode in a piezoelectric actuator

A solder material can be used for fastening an outer electrode on a piezoelectric component. The solder material contains tin as the main constituent and at least one addition from the group of cobalt, tungsten, osmium, titanium, vanadium, iron and rare earth metals. A piezoelectric component includes such a solder material. The solder material is applied by means of a base metallization.

Solder material for fastening an outer electrode on a piezoelectric component and piezoelectric component comprising a solder material

A piezoactuator of multilayer design includes piezoelectric layers and electrode layers to form a stack. A predetermined breaking layer for the targeted origination and guiding of cracks is introduced between two adjacent electrode layers. The predetermined breaking layer has a barrier region, in which the formation of continuous electrically conductive paths or the formation of cracks leading through the barrier region is impeded.

Piezoactuator with a predetermined breaking layer

A method for producing a ceramic material is disclosed. A ceramic raw material mixture is produced by comminuting and mixing starting materials containing Pb, Zr, Ti, Nd and oxygen. Nickel or an nickel compound is introduced. The raw material mixture is calcined and a ceramic is sintered.

Ceramic material, method for producing the same, and electro-ceramic component comprising the ceramic material

A piezoelectric multilayer component includes a stack of piezoceramic layers, which are arranged one on top of the other, and electrode layers. The stack has a first area and a second area. The second area contains a disturbance material, which is used to make the second area less mechanically robust than the first area.

Piezoelectric multilayer component having a disturbance material and method of forming same

A ceramic material includes lead zirconate titanate, which additionally contains Nd and Ni. For example, the ceramic material may have a composition according to the following formulae:for y&#x2266;x/2: a PbO+(PbNd)((ZrTi)Ni)Ofor y&#x3e;x/2: a PbO+(PbNd)((ZrTi)Ni)Owhere 0&#x2266;a&#x3c;1, 0&#x3c;x&#x3c;1, 0&#x3c;y&#x3c;1, 0&#x3c;z&#x3c;1, a stands for an excess of PbO in the weigh-in, &#x25a1; represents a Pb vacancy and &#x22c4; represents an O vacancy.

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Eibiswald, Austria

Georg Kuegerl