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Temperature controlling sample holder capable of adjusting incident ion energy and monitoring ion flux in real time

A technology of real-time monitoring and ion energy, applied in the direction of non-electric variable control, measuring device, temperature control, etc., can solve the problems of complex system, difficult control of sample temperature, and unguaranteed accuracy of plasma parameters, etc., and achieve simple structure , reliable performance

Inactive Publication Date: 2010-06-23
INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

The above measures make the system more complicated, the temperature of the sample is not easy to control during the experiment, and the accuracy of the plasma parameters near the sample cannot be guaranteed, which has an extremely adverse impact on the use of analog devices in the laboratory to carry out PWI research

Method used

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  • Temperature controlling sample holder capable of adjusting incident ion energy and monitoring ion flux in real time
  • Temperature controlling sample holder capable of adjusting incident ion energy and monitoring ion flux in real time

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Embodiment Construction

[0017] A temperature-controlled sample holder that can adjust incident ion energy and monitor ion flux in real time: it has a sample holder base 1, and there is a cavity inside the sample holder base 1, and the cavity communicates with a cooling pipe 8 for cooling medium flow, The cooling pipe 8 is insulated from the sample holder base 1; the upper end of the sample holder base 1 is equipped with a gland 2 with a central opening through bolts, and in the cavity between the gland 2 and the sample holder base 1, the sample holder base A sample insulating sleeve 3 with a central opening is installed above 1, and an annular baffle 4 is installed above the sample insulating sleeve 3. The annular baffle 4 is located between the lower surface of the gland 2 and the upper surface of the sample insulating sleeve 3, and is tightly connected to both. Contact; there is a through hole in the middle of the sample holder base 1, and an armored thermocouple 10 is installed in the through hole,...

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Abstract

The invention provides a temperature controlling sample holder capable of adjusting incident ion energy and monitoring ion flux in real time. An insulating active cooling sample holder and an insulating active cooling sample are subjected to the double insulation design, the negative bias voltage is applied by a sheathed thermocouple sheath, the ion flux is monitored in real time and a passive temperature adjusting gasket is used. The active cooling sample holder and the sheathed thermocouple sheath are both have independent power supply for adjusting the energy arriving at the ions, measuring the total ion flux stricken on the effective area of the insulating active cooling sample and adjusting the temperature of the insulating active cooling sample being subjected to the experiment by adjusting the thickness of an insulating temperature controlling chip and the variety and the flow rate of cooling medium. The temperature controlling sample holder can accurately monitor the iron flux stricken on the effective area of the insulating active cooling sample being subjected to the experiment without using a probe and other auxiliary means and can be used for doing experiment on the insulating active cooling sample irradiation under different incident ion energy and different temperature of the insulating active cooling sample.

Description

Technical field: [0001] The invention relates to a component of a plasma-material interaction experiment device, specifically a temperature-controlled sample holder that can adjust the energy of incident ions and monitor ion flux in real time; it can ensure that the sample is collected by controlling the potential of the sample holder and the sample. The ion current is directly measured; the energy of irradiated ions is changed by adjusting the potential of the sample holder; the temperature of the sample during the experiment is controlled by changing the type and flow of the cooling medium and the thickness of the insulating temperature control sheet. Background technique: [0002] Nuclear fusion energy is a potential clean and safe energy source, and its ultimate realization is particularly important to solve human energy problems, and the first-wall material problem in reactors is the key to whether nuclear fusion energy can be used in the future. The solution of materia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N23/00G05D23/22
Inventor 周海山赵利平罗广南
Owner INST OF PLASMA PHYSICS CHINESE ACAD OF SCI
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