| 摘要 |
A method for growing a group of sapphire monocrystal articles with internal hollow volume includes the alternative growing tubular and ground parts of article. At that growing is carried out by alternative tearing away and after-seeding on shape-formers disposed alongside with circular and central delivery of the melt, at that the bottom part of the article is grown while seeding alternatively with right and left sides of the tubular part of the article.
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