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Method for peripheral contacting in ceramic components

A technology of structural elements and electrical contact, applied in the direction of material analysis, measuring devices, instruments, etc. by electromagnetic means, it can solve the problems of short circuit of each contact, high sensitivity to mechanical load, difficult circuit and electrical connection, etc., reaching high temperature The effect of stability

Inactive Publication Date: 2014-03-05
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the electrical contact bumps described in DE 10 2004 025 549 A1 enable the electrical contacting of the inner layers of the structural element, they do not facilitate the electrical connection of circuits arranged in different layer planes, including short-circuiting of the individual contacts dangerous and has a relatively high sensitivity to mechanical loads

Method used

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  • Method for peripheral contacting in ceramic components
  • Method for peripheral contacting in ceramic components
  • Method for peripheral contacting in ceramic components

Examples

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Embodiment Construction

[0026] With the help of Figures 1 to 4 The proposed method is explained by way of example using a ceramic sensor element 110 , wherein only the method steps for encapsulating electrical contacting of the heating element 112 are shown. The method steps shown can thus be followed by further method steps, in particular the formation of one or more sensor units which are usually connected to one or more solid electrolytes and two or more Electrodes in contact with the solid electrolyte. Thus, in Figures 2 to 4 The products shown in are typically only intermediate products in the process of manufacturing the ceramic sensor element 110 . In this case, the illustrated encapsulating electrical contacting method can be repeated in the further method steps and / or “conventional” contacting technology, in particular through-hole electrical contacting, can be used.

[0027] exist figure 1 A layer sequence of the ceramic sensor element is shown in , by means of which the method steps ...

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Abstract

The invention relates to a method for the production of an electrical component, particularly a ceramic sensor element (110). The electrical component has a layer composition comprising at least one substrate (126) and at least one structure (128) for an electrical circuit, particularly a heating circuit. The structure (128) is disposed substantially on the first side (130) of the substrate (126). In order to contact the structure (128), the one contact region (138) of the structure (128) is guided in a peripheral contacting step in a peripheral contacting region (142) around an edge region (134) of the substrate (126) onto the second side (132) of the substrate (126). The contact region (144) is formed on the second side (132) for contacting the electric circuit (118).

Description

technical field [0001] The invention is based on a known method for producing electrical components having a layer structure with at least one substrate and at least one structure for an electrical circuit. Background technique [0002] A particular focus of the invention is the production of electrical structural elements in the form of ceramic sensor elements, such as are used, for example, to determine at least one physical property of a gas in a measurement gas space. A known example of this type of ceramic sensor element is a sensor element based on the electrolytic properties of certain solids, ie on the ability of a solid to conduct certain ions. Such sensor elements are used in particular in motor vehicles for measuring gaseous fuel gas mixture components and are also referred to there as oxygen sensors. For examples of various embodiments of such ceramic sensor elements see Robert Bosch GmbH: "Sensoren im Kraftfahrzeug", June 2001, pages 112 to 117 or T. Baunach et...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/407
CPCG01N27/4071G01N27/4062G01N27/4067
Inventor H-J·伦茨J·施奈德
Owner ROBERT BOSCH GMBH
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