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Thermistor and its production method

一种热敏电阻、电极层的技术，应用在电阻制造、电阻器、热电器件等方向，能够解决不能解决浸析问题等问题

Inactive Publication Date: 2006-07-19
QUALITY THERMISTOR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this prior art does not solve the leaching problem described

Method used

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  • Thermistor and its production method
  • Thermistor and its production method
  • Thermistor and its production method

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Embodiment Construction

[0061] As shown in the accompanying drawings, especially as Figure 3a -c, the preferred embodiment of the invention consists of a ceramic semiconductor body (11) comprising opposing faces (42 and 43) comprising one or more metal oxides. A first layer (12a and 13a) of metal electrode material comprising a conductive metal having a thickness not exceeding 5 microns is deposited on each of said opposed faces (42 and 43). A second layer (12b and 13b) of metal electrode material is deposited on the first layer (12a and 13a), followed by a third layer (12c and 13b) of metal electrode material deposited on the second layer (12b and 13b). 13c). Optionally, a fourth layer (12d and 13d) of metal electrode material is deposited on the third layer (12c and 13c).

[0062] To use the thermistor according to the invention, electrical contacts are connected to the outer electrode layer of the semiconductor body. The electrical contacts and the means used to bond the outer thermistor elect...

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Abstract

A thermistor having multiple metal layers about at least a portion of a semiconductor body. The thermistor includes a first thick film electrode layer, a reactive metal layer, a barrier metal layer and, optionally, a layer to facilitate attachment to an electrical contact. Also, a method of making the thermistor is described.

Description

technical field [0001] The invention relates to a thermistor for temperature measurement, control and / or temperature compensation and a method for manufacturing the thermistor. More specifically, the present invention relates to a thermistor having multiple layers of electrode metal. Background technique [0002] Thermistors (thermally sensitive resistors) are ceramic semiconductors that exhibit a correspondingly large change in resistance with temperature. Because of their sensitivity, accuracy, and stability, thermistors are often the most advantageous sensors in many applications, including temperature measurement, compensation, and control. Thermistors are more widely used in commercial consumer electronics, automotive, industrial, medical electronics applications, food handling and processing, communications and instrumentation, computers, military and aerospace, and research and development. Some practical applications of thermistors include fluid level measurement, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01C7/00H01C17/00G06F3/02G01K7/22G06F13/00H01C1/14H01C7/02H01C7/04H01C17/28H01L37/00H04L29/06H04L29/08H04N5/00H04Q9/00
CPCG01K7/226H01C17/28H01C1/1406H01C1/1413H01C17/288H04L67/025H04L67/02H04L69/329H01C7/02H04L9/40
Inventor 格雷格·拉韦奴塔
Owner QUALITY THERMISTOR INC