Atomic level graphite heater
A graphite heater and graphite heating technology, applied in chemical instruments and methods, crystal growth, post-processing equipment, etc., can solve the problems affecting heating efficiency and heating volume, and achieve large heating volume and heating efficiency, good fixed placement Effect
Inactive Publication Date: 2014-03-26
CHANGZHOU LIXIN GRAPHITE
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Problems solved by technology
However, this setting takes up space in the cavity of the graphite heater, affects the heating volume, and affects the heating efficiency
Method used
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[0010] see figure 1 , The present invention has an atomic level graphite heater with a cylindrical graphite heating cylinder 1, a through groove 2 opened on the wall of the graphite heating cylinder 1, the width of the through groove 2 is 3mm; the bottom of the graphite heating cylinder 1 Two electrode pins 3 outside the graphite heating cylinder 1 are connected, and a circular electrode connection hole 4 is opened on the electrode pins 3. When in use, the positive and negative electrodes are connected to the electrode connection holes on the two electrode pins 3, energized, and heated.
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The invention relates to an atomic level graphite heater, comprising a cylindrical graphite heating cylinder (1), and a straight slot (2) which is formed on the wall of the cylindrical graphite heating cylinder (1), wherein the bottom of the cylindrical graphite heating cylinder (1) is connected with two electrode pins (3) arranged outside the cylindrical graphite heating cylinder (1). The electrode pins disclosed by the invention do not occupy a cavity of the graphite heater, the graphite heater can be better fixedly placed, and the heating volume and the heating efficiency of the graphite heater are larger and higher.
Description
Technical field [0001] The invention relates to a graphite heating device, in particular to an atomic energy level graphite heater. Background technique [0002] Graphite heater is the heating device of single crystal furnace. Graphite heater adopts isostatic graphite electric heating body, which has the advantages of high temperature resistance, easy processing, and cheaper price than tungsten, molybdenum and tantalum. Although the resistivity of the graphite heater is higher than that of pure metal, for the sake of strength, the cross-sectional area cannot be too small, so the resistance of the entire graphite heater is very small, so the heating method of low voltage and high current is adopted. The properties of graphite vary greatly, and the total resistance value is very small, so graphite heaters are often reprocessed to meet the resistance requirements. Generally, the graphite heater is a cylindrical cavity, which is connected to the positive and negative electrodes thro...
Claims
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IPC IPC(8): C30B35/00
Inventor 吴建洪
Owner CHANGZHOU LIXIN GRAPHITE