Method of manufacturing optical glass element, and optical...

Details Method of manufacturing optical glass element, and optical... Method of manufacturing optical glass element, and optical...

C - Chemistry, Metallurgy

03

B

C03B 23/04 (2006.01) C03B 23/047 (2006.01) G02B 5/00 (2006.01)

Patent

CA 2349952

There are provided a method of manufacturing an optical glass element, for which flatness and smoothness of the surfaces of the optical glass element can be improved while securing the similarity of the cross- sectional shape of the optical glass element to that of the mother glass, and for which continuous production involving few steps can be carried out, and an optical glass element manufactured using the method. A mother glass is prepared, which has a cross-sectional shape substantially similar to a desired cross-sectional shape of the optical glass element, and the mother glass is drawn while heating to a predetermined temperature such that the mother glass has a viscosity of 10 5 to 10 9 poise.

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