Epcos Ag

Tdk Electronics Ag

Günter Engel

Markus Koini

Michael Schossmann

Christian Hoffmann

Andrea Testino

Günther Greier

Robert Krumphals

Thomas Feichtinger

Markus Puff

Markus Ortner

Axel Pecina

Jürgen Konrad

Stefan Obermair

Renate Kofler

Bernhard Döllgast

Thomas Wippel

Volker Wischnat

Reinhard Sperlich

Markus Albrecher

Walter Wittmer

Michael Huainig

Thomas PÜRSTINGER

Thomas HÖLBLING

A ceramic material for capacitors using multilayer technology of formula (I): PbAB(ZrTi)CSiO+y&#xb7;PBO wherein A is selected from the group consisting of La, Nd, Y, Eu, Gd, Tb, Dy, Ho, Er and Yb; C is selected from the group consisting of Ni and Cu; and 0&#x3c;a&#x3c;0.12, 0.05&#x2264;x&#x2264;0.3, 0&#x2264;c&#x3c;0.12, 0.001&#x3c;e&#x3c;0.12 and 0&#x2264;y&#x3c;1.

Ceramic material and capacitor comprising the ceramic material

A capacitor arrangement includes at least one ceramic multilayer capacitor with a main body having ceramic layers and first and second electrode layers arranged therebetween. The capacitor also has a first external contact and a second external contact on mutually opposite side surfaces. The first external contact is electrically conductively connected to the first electrode layers and the second external contact is electrically conductively connected to the second electrode layers. A contact arrangement includes two metallic contact plates, between which the at least one ceramic multilayer capacitor is arranged. The first and second external contacts are electrically conductively connected in each case to one of the metallic contact plates.

Capacitor arrangement

An electrical component is disclosed. In an embodiment the component includes a component body and at least one connection element having a plastic body, wherein the at least one connection element is connected to the component body via a metal layer.

Electrical component comprising a connection element having a plastic body

A multi-layer capacitor has dielectric layers and electrode layers arranged therebetween. The multi-layer capacitor has a number of segments that are connected to one another. At least one relief region is provided between the segments. The invention furthermore provides a method for producing such a multi-layer capacitor.

Multi-layer capacitor and method for producing a multi-layer capacitor

A ceramic multi-layer capacitor includes a main body, which has ceramic layers arranged along a layer stacking direction to form a stack, and first and second electrode layers arranged between the ceramic layers. The multi-layer capacitor also includes a first external contact-connection arranged on a first side surface of the main body and electrically conductively connected to the first electrode layers, and a second external contact-connection arranged on a second side surface () of the main body (). The second side surface is situated opposite the first side surface and is electrically conductively connected to the second electrode layers.

Ceramic multi-layered capacitor

An electrical device having at least one functional element that includes a ceramic body, on which a first electrical contact layer and a second electrical contact layer are applied to two opposite-lying side faces, respectively, and the functional element is arranged between a first contact strip and a second contact strip, wherein the first contact strip and the second contact strip comprise several contact pins, respectively, and wherein the first contact layer electrically contacts at least one contact pin of the first contact strip and the second contact layer electrically contacts at least one contact pin of the second contact strip.

Electrical device

A ceramic multi-layer capacitor is disclosed. In an embodiment, the capacitor includes a main body having ceramic layers and first and second electrode layers arranged therebetween, wherein the ceramic layers includes a ceramic material on the basis of BaTiZrOwhere 0&#x2266;y&#x2266;1, which has a temperature-dependent capacitance anomaly.

Ceramic multi-layer capacitor based on BaTi(1-y)ZryO3

A ceramic material for capacitors uses multilayer technology of the general formula: PbAB(ZrTi)LiCFeSiO+y.PBO wherein A is selected from the group consisting of La, Nd, Y, Eu, Gd, Tb, Dy, Ho, Er and Yb; B is selected from the group consisting of Na, K and Ag; C is selected from the group consisting of Ni, Cu, Co and Mn; and 0&#x3c;a&#x3c;0.12; 0.05&#x2266;x&#x2266;0.3; 0&#x3c;b&#x3c;0.12; 0&#x2266;c&#x2266;0.12; 0&#x3c;d&#x3c;0.12; 0&#x2266;e&#x2266;0.12; 0&#x2266;f&#x2266;0.12; 0&#x2266;y&#x2266;1, and wherein b+d+e+f&#x3e;0.

A multiple resonance filter includes at least three multilayer capacitors having at least two different capacitances. The at least three multilayer capacitors are adjacent each other. Two of the at least three multilayer capacitors have a same capacitance. The two capacitors with the same capacitance are on outer ends of an arrangement formed by the at least three multilayer capacitors.

Multiple resonance filter

A method produces a component having a ceramic base body and contact surfaces on opposite sides of the ceramic base body. The method includes forming first protective layers on the opposite sides of the ceramic base body in regions not to be covered by the contact surfaces, forming second protective layers on opposite surfaces of the ceramic base body, sintering the ceramic base body with the first and second protective layers at a first temperature, forming the contact surfaces on the ceramic base body, and sintering the contact surfaces at a temperature that is lower than the first temperature.

Electroceramic component comprising a plurality of contact surfaces

An electrical component includes a ceramic base body having at least four contact surfaces. Two of the contact surfaces are on opposite sides of the ceramic base body. First protective layers are arranged on regions of the opposite sides of the ceramic base body that do not include the contact surfaces. The first protective layers have a composition that allows the first protective layers to be sintered at a higher temperature than the contact surfaces. Second protective layers are arranged on at least two opposite surfaces of the ceramic base body. The ceramic base body, the first protective layers, and the second protective layers are sintered together.

An electrical component includes stacked electrode layers arranged on a foundation. The stacked electrode layers include a first type of electrode layer and a second type of electrode layer. Dielectric layers separate the stacked electrode layers to form at least one capacitor. Two pairs of external contacts are arranged such that one external contact in each pair of external contacts is located on a side of the foundation and such that connections between each pair of external contacts overlap. A first pair of the external contacts connects to the first type of electrode layer and a second pair of the external contacts connects to the second type of electrode layer. The first type of electrode layer includes a first conductive layer which connects to at least one of the first pair of external contacts and the second type of electrode layer includes a second conductive layer which connects to at least one of the second pair of external contacts.

Growing community of inventors

Leibnitz, Austria

Günter Engel