Method for forming an optical element

Details Method for forming an optical element Method for forming an optical element

1993-04-26

1994-09-06

Woodard, Joye L.

Glass manufacturing

Processes

Reshaping or surface deformation of glass preform

65 64, 65162, 65275, C03B 2300

Patent

active

053444760

ABSTRACT:
An improved method of forming an optical element, wherein heated upper and lower molds are used in conjunction with radiation heating glass material placed in an optical forming surface of the lower mold. The molds are heated to a necessary temperature, then the glass material is heated by exposure to heat by radiation. The glass blank then is pressed between the upper and lower molds to transfer the optical forming surfaces of each mold to the glass material, and define the optically functional surfaces of an optical element.

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