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Manganate temperature probe

A temperature measuring probe, manganate technology, applied in thermometers, measuring devices, measuring heat and other directions, can solve the problems of small absorption coefficient of materials, unsatisfactory linear relationship between resistance and temperature, etc., and achieve fast temperature measurement and short thermal equilibrium time. , accurate and high effect

Inactive Publication Date: 2004-11-17
KUNMING UNIV OF SCI & TECH
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Problems solved by technology

[0003] The object of the present invention is to overcome the shortcomings of the unsatisfactory linear relationship between the resistance and temperature of most semiconductor thermistors and the small absorption coefficient of the material, and provide a kind of linear resistance with good linearity between the resistance and temperature, the temperature coefficient of resistance can be positive or negative, and the absorption coefficient of the material. Manganate temperature measuring probe with large coefficient, short thermal equilibrium time and fast temperature measurement response

Method used

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Embodiment 1

[0008] Embodiment 1: La 2 o 3 , CaCO 3 , MnCl 2 4H 2 O According to the conventional ratio and operation method, polycrystalline manganate samples are made; then the material is cut into small cubic particles according to the actual needs through the internal circle cutting machine, and after physical grinding and polishing and chemical cleaning processes, it is used under high vacuum The manganate temperature measuring probe can be obtained by alloying the conductive silver paste and sintering the metal lead wire.

Embodiment 2

[0009] Embodiment 2: basically with embodiment 1. The difference is the use of La 2 o 3 , SrCO 3 , MnCl 2 4H 2 O was made into polycrystalline manganate samples according to conventional proportioning and operation methods.

Embodiment 3

[0010] Embodiment 3: basically with embodiment 1. The difference is the use of La 2 o 3 , SrCO 3 , CaCO 3 , MnCl 2 4H 2 O was made into polycrystalline manganate samples according to conventional proportioning and operation methods.

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Abstract

The invention refers to a kind of manganate temperature detector, which belongs to semiconductor sensitive element material field. The detector is made up of temperature detecting detector, conducting silver pulp, metal wires. The temperature detecting detector uses manganate. The effects of the invention are: because that the heat capacity of the manganate material is low, the thermal balancing period is short, the linear relation of the temperature resistance is good, the detector can measure the temperature quickly and accurately.

Description

Technical field: [0001] The invention relates to a manganate temperature measuring probe, which belongs to the field of semiconductor sensitive component materials. Background technique: [0002] At present, most semiconductor thermistors measure temperature, and there are generally the following disadvantages: (1). The relationship between resistance and temperature is mostly nonlinear; (2). Most materials themselves are not good absorbers. In order to improve the absorption coefficient, sensitive The surface of the surface must be blackened; Invention content: [0003] The object of the present invention is to overcome the shortcomings of the unsatisfactory linear relationship between the resistance and temperature of most semiconductor thermistors and the small absorption coefficient of the material, and provide a kind of linear resistance with good linearity between the resistance and temperature, the temperature coefficient of resistance can be positive or negative, a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/25
Inventor 张鹏翔刘翔麻芸彭巨擘虞澜严磊段云彪徐存英
Owner KUNMING UNIV OF SCI & TECH
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