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APPARATUS FOR MANUFACTURING LITHIUM TANTALATE CRYSTAL AND METHOD FOR MANUFACTURING LITHIUM TANTALATE CRYSTAL
APPARATUS FOR MANUFACTURING LITHIUM TANTALATE CRYSTAL AND METHOD FOR MANUFACTURING LITHIUM TANTALATE CRYSTAL
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机译：制造钽酸锂晶体的装置和制造钽酸锂晶体的方法
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摘要
The present invention provides an apparatus for manufacturing lithium tantalate crystal of high quality by using a platinum-made crucible. The apparatus (10) for manufacturing lithium tantalate crystal of the present invention comprises: a main body (12); a tubular furnace body (14) disposed on the main body (12) and having heat resistance; a covering body (18) for covering the furnace body (14); a heat generator (20) disposed inside the furnace body (14); a crucible supporting shaft (24) penetrating the main body (12) to move up and down freely; and a crucible (30) disposed on the crucible supporting shaft (24) and heated by the heat generator (20). The apparatus of the present invention is an apparatus (10) for manufacturing lithium tantalate crystal which has vertical Bridgman furnace or coagulation furnace with a vertical temperature gradient, and has a crucible (30) which is a platinum-made crucible (30).
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