GLASS OUTFLOW PIPE, METHOD FOR PRODUCING GLASS MOLDING AND METHOD FOR PRODUCING OPTICAL ELEMENT

摘要

PROBLEM TO BE SOLVED: To provide a glass outflow pipe for producing a glass molding of high quality. SOLUTION: In the glass outflow pipe of flowing out fused glass, the inside diameterϕis≤6 mm, and the difference between the maximum value and the minimum value in the inside diameter is≤0.20 mm. COPYRIGHT: (C)2006,JPO&NCIPI