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Superconducting device test probe rod

A technology of test rods and devices, which is applied in the direction of magnetic field measurement, instruments, and measuring devices using superconducting devices, can solve the problems of uncontrollable temperature and unguaranteed test results, and achieve the effect of guaranteeing test results

Pending Publication Date: 2020-10-30
NAT INST OF METROLOGY CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] Based on this, it is necessary to provide a superconducting device testing probe for the problem that the temperature cannot be controlled and the test effect cannot be guaranteed when the existing test rod is used for testing superconducting devices.

Method used

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Embodiment Construction

[0053] In order to make the above-mentioned purpose, features and advantages of the present application more obvious and understandable, the specific implementation manners of the present application will be described in detail below in conjunction with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar improvements without departing from the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.

[0054] The serial numbers numbered for components in this document, such as "first", "second", etc., are only used to classify the described objects and do not have any sequence or technical meaning. The "connection" and "connection" mention...

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Abstract

The invention provides a superconducting device test probe rod. The superconducting device test probe rod comprises a test rod body, a heat conduction sample table and a temperature measurement and control module, the test rod body is provided with a test end. The heat conduction sample table is fixedly connected with the test end. The temperature measurement and control module is fixed on the heat conduction sample table. The temperature measurement and control module is used for measuring and controlling the temperature of the heat conduction sample table. According to the invention, the heat conduction sample table is fixed at the test end of the test rod body; the temperature measurement and control module is fixed on the heat conduction sample table, the good heat conduction performance of the heat conduction sample table is utilized, the temperature measurement and control module measures and controls the temperature of the heat conduction sample table, accurate temperature control over a superconducting device to be tested is achieved, and therefore the test effect of the superconducting device to be tested is guaranteed.

Description

technical field [0001] The application relates to the technical field of magnetic field testing, in particular to a superconducting device testing probe. Background technique [0002] The sensor using the Superconducting Quantum Interference Device (SQUID for short) is the most sensitive magnetic sensor known so far. It utilizes the sensitivity of the quantum interference properties of superconductors to external magnetic fields to achieve precise magnetic field measurement effects. SQUID is usually set in liquid helium and works in an extremely low temperature environment of 4-10K. [0003] The function of the SQUID test rod is to place the SQUID device at a low temperature, and realize the precise electrical transport property measurement of the SQUID under the condition of a temperature measurement and control range of 4-10K and a certain range of magnetic field, which is used for the performance characterization of the SQUID at extremely low temperatures. [0004] When ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R35/00G01R33/035G05D23/30
CPCG01R35/00G01R33/0354G05D23/30Y02E40/60
Inventor 钟青王雪深李劲劲蔡裕谦徐达张明宇钟源曹文会
Owner NAT INST OF METROLOGY CHINA
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