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GLASS TUBE PRODUCTION METHOD, GLASS ARTICLE PRODUCTION METHOD, GLASS TUBE, GLASS ARTICLE, AND GLASS ARTICLE PRODUCTION APPARATUS
GLASS TUBE PRODUCTION METHOD, GLASS ARTICLE PRODUCTION METHOD, GLASS TUBE, GLASS ARTICLE, AND GLASS ARTICLE PRODUCTION APPARATUS
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机译:玻璃管生产方法,玻璃制品生产方法,玻璃管,玻璃制品和玻璃制品生产装置
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摘要
A glass tube production method includes (1) preparing a tubular glass material, (2) irradiating an outer main surface of the tubular glass material with a laser to form an in-plane void region having a plurality of voids arranged on the outer main surface, and forming a plurality of internal void rows each having one void or two or more voids arranged from the in-plane void region toward an inner main surface of the tubular glass material, and (3) chemically strengthening the tubular glass material having the internal void rows formed therein.
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