Epcos Ag

Heinz Florian

Adalbert Feltz

Marion Ottlinger

Igor Kartashev

Peter Sedlmaier

Sigrid Ragossnig

Wolfgang Vogl

Christian Block

Harald Kastl

Kurt Wiesbauer

Holger Flühr

Günther Greier

Heinz Ragossnig

Klaus Reichmann

Johann Riedler

Sigrid Gansberger

Reinhard Gabl

Alexander Glazunov

Michael Schossmann

Patrick Schmidt-Winkel

Michael Hirschler

Helmut Sommariva

Wolfgang Athenstaedt

Anke Althoff

Steffen Riemer

Gerald Kainz

Peter Sedlmayer

Methods for producing a multilayer ceramic component with alternating ceramic layers and internal electrode layers include producing the ceramic layers using a ceramic mass. The methods also include producing the internal electrode layers using a metal paste that contains a portion of a chemically active additive; wherein the chemically active additive reacts chemically with at least one environmental component other than a metal portion of the metal paste.

Ceramic multi-layer component and method for the production thereof

The invention relates to a piezoelectric multi-layer component with a plurality of piezoelectric layers () lying one above the other and with electrode layers () arranged between the piezoelectric layers, wherein an absorption layer () of absorbing mechanical vibration energy is arranged in the layer stack.

Piezoelectric multilayer component

A method of producing an electrical component includes forming a stack of ceramic green films, where the stack has a hole that is accessible from external to the stack, inserting a cover into the hole, and sintering the stack together with the cover. The method may also include boring the hole through the stack of ceramic green films.

Electric functional unit and method for the production thereof

A ceramic material includes first and second ceramic materials. The first ceramic material has a perovskite structure and defines a host lattice. The first ceramic material contains lead, zirconium and titanium, e.g., lead zirconate titanate. The second ceramic material has a cryolite structure. The ceramic material may be part of a piezo-actuator containing ceramic layers formed of the ceramic material.

Ceramic material

A multilayer ceramic component includes a stack containing ceramic layers and electrode layers interspersed among the ceramic layers. The electrode layers contain copper and define first and second internal electrodes. First and second external contacts are on different sides of the stack. The first and second external contacts contain copper and are substantially perpendicular to the ceramic layers and electrode layers. The first internal electrode is connected to the first external contact and the second internal electrode is connected to the second external contact. The first and second internal electrodes overlap each other at a plane intersecting the stack. In areas adjacent to boundaries between the first and second external contacts and the ceramic layers, the first and second external contacts are not oxidized and material making-up the ceramic layers is not diminished. A bonding strength of the external contacts to the stack exceeds 50 N.

Method for producing a multilayer ceramic component

The invention concerns a method for making a piezoelectrical device, whose electrode layers contain copper. The usage of copper in the electrode layers is enabled by a debindering process, which is carried out by steam.

Method for making a piezoceramic device

A multiple-layer component includes at least two metal layers, at least one dielectric layer among the at least two metal layers, and a contact element that includes a porous body that electrically connects the at least two metal layers. The at least one dielectric layer includes dielectric layers made from ceramic material that are sintered.

Piezoelectric component

The present invention relates to a piezoelectrical device whose electrode layers contain copper. The usage of copper in electrode layers is enabled by a debindering process, which is carried out by steam.

Piezoceramic device

An electrical component includes a body made from a stack of ceramic layers. The body has a cavity that is accessible external to the body. The cavity is defined by a wall. A contact surface is on the wall. A contact device is electrically connected to the contact surface. At least part of the contact device is external to the body. The contact device includes a connection part and a spring. The spring is between the body and the connection part. The spring is for exerting a spring force on the contact surface.

Electrical component and method for the production thereof

A piezoelectric transformer includes a base body. The base body includes an input part and an output part mechanically connected to the input part. The base body also includes internal electrodes perpendicular to a polarization axis of the transformer-in the input part and the output part. The transformer also includes an auxiliary electrode galvanically separated from the input part and the output part.

Piezoelectric transformer and method for the production thereof

A multilayer component includes a ceramic base body and at least one internal electrode in the ceramic base body. The at least one internal electrode includes holes, and is made of a material having a liquidus temperature that differs from a sintering temperature of the ceramic base body. The ceramic base body is sinterable such that formation of holes in the at least one internal electrode occurs during sintering.

Multi-layered component and method for the production thereof

A piezoelectric actuator includes a stack of piezoceramic layers and electrodes among the piezoceramic layers. At least one edge region of the stack does not include electrodes. A cover layer is at the at least one edge region. The cover layer has a dielectric constant that is less than a dielectric constant of a piezoceramic layer.

Piezoactuator with low stray capacitance

A multilayer ceramic component includes a stack containing ceramic layers and electrode layers interspersed among the ceramic layers. The electrode layers contain copper and define first and second internal electrodes. First and second external contacts are on different sides of the stack. The first and second external contacts contain copper and are substantially perpendicular to the ceramic layers and electrode layers. The first internal electrode is connected to the first external contact and the second internal electrode is connected to the second external contact. The first and second internal electrodes overlap each other at a plane intersecting the stack. In areas adjacent to boundaries between the first and second external contacts and the ceramic layers, the first and second external contacts are not oxidized and material making-up the ceramic layers is not diminished. A bonding strength of the external contacts to the stack exceeds 50N.

A circuit array includes an antenna input, a signal input, a signal output, and a switch unit. The switch unit connects the antenna to either the signal input or the signal output. The antenna input is connected to a first productive device. The first protective device is a band-pass filter in a T configuration.

Bandpass filter electrostatic discharge protection device

An actuator includes a stack of piezoelectric layers, and electrode layers between the piezoelectric layers. A stabilization element is attached to a side surface of the stack. The stabilization element fixes a height of the stack so that the height does not change when an operating voltage is applied to at least one of the electrode layers.

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Bad Gams, Austria

Heinz Florian