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本方法具有传统的水溶晶体生长方法所不具有的特点。本方法的根据是:在饱和的溶液中加上直流电场,在电场的作用下,发生了离子的迁移,在离子迁移的路径上,放置离子交换膜,让离子有选择地通过膜,而富集于生长室,从而达到了溶液中溶质和溶剂分离。本文较详细地介绍了用于实际的晶体生长装置,及各部分的制造要求。同时给出晶体生长的关键步骤。利用上述装置,经过实际运转,以每天生长速度大于3mm,长出50×50×60mm的KDP晶体。
The method has the traditional water crystal growth method does not have the characteristics. The method is based on the following: applying a DC electric field to a saturated solution, ion migration occurs under the action of an electric field, ion exchange membranes are placed on the path of ion transport to allow ions to selectively pass through the membrane, Set in the growth chamber, so as to achieve the solution of solute and solvent separation. This article describes in more detail the actual crystal growth apparatus used and the manufacturing requirements for each part. At the same time give the crystal growth of the key steps. Using the above device, after the actual operation, the daily growth rate greater than 3mm, grow 50 × 50 × 60mm KDP crystal.