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METHOD AND APPARATUS FOR MANUFACTURING THERMOELECTRIC CONVERSION ELEMENT

  • US 20120263207A1
  • Filed: 04/11/2012
  • Published: 10/18/2012
  • Est. Priority Date: 04/12/2011
  • Status: Active Grant
First Claim
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1. An apparatus for manufacturing a thermoelectric conversion element, comprising:

  • a crucible configured to store a molten thermoelectric conversion material;

    a heating apparatus arranged on an outer perimeter of the crucible, the heating apparatus is configured to heat the thermoelectric conversion material in the crucible;

    a preheating apparatus arranged above the crucible, having a passage configured to communicate inside part of the crucible and outside of the preheating apparatus, and insert the tube, having a heating source different from the heating apparatus, the preheating apparatus is configured to heat a tube made of heat-resisting insulating material, the one end of the tube arranged to be inserted in the crucible via the passage; and

    a decompression apparatus connected to the other end of the tube.

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