APPARATUS FOR PRODUCTION OF SINGLE BODY OF TUBULAR GLASS USING SOL-GEL METHOD AND METHOD THEREFOR
PROBLEM TO BE SOLVED: To provide an apparatus for production of the single body of tubular glass by a sol-gel method capable of producing a glass tube for vapor deposition of a crack-free optical fiber by minimizing stresses generated in a gel by shrinkage in the drying process of the wet gel and a...
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