METHOD OF MANUFACTURING GLASS HAVING OPTICAL CHARACTERISTIC

摘要

PROBLEM TO BE SOLVED: To provide a method of manufacturing glass having optical characteristics by refining a preliminarily sintered composition. SOLUTION: In the method of melting the preliminarily sintered composition supplied with the plasma or flame from thermal energy supply means together with the particules of the preliminarily sintered composition from a first supply duct. COPYRIGHT: (C)2003,JPO