Mold for optical element and a method of molding optical element

Details Mold for optical element and a method of molding optical element Mold for optical element and a method of molding optical element

1993-06-01

1995-07-25

Jones, W. Gary

Glass manufacturing

Processes

With measuring, sensing, inspecting, indicating, or testing

65 61, 65102, 65305, 65158, 264 132, 264 22, C03B 1900, B29D 1100

Patent

active

054358183

ABSTRACT:
A method of molding an optical element numerically analyzes the thermal stress produced on a molded optical element product within a mold in a visco-elastic temperature range or elastic temperature range of an optical element material in a cooling step of the molding process is on the basis of a visco-elastic characteristic of the optical element material. A correction for the molding face of the mold is made on the basis of the value obtained by the numerical analysis so that any error between the optical functional face of optical element molded by the mold at room temperature and the optical functional face set on design may fall within a tolerance, thereby determining the molding face adapted to the shape of the optical functional face set on design.

REFERENCES:
patent: 4447372 (1984-05-01), Kreuttner
patent: 4469413 (1984-09-01), Shirayanagi
patent: 4534614 (1985-08-01), Silverglate
patent: 4609262 (1986-09-01), Fujikawa et al.
patent: 5148322 (1992-09-01), Aoyama et al.
patent: 5160362 (1992-11-01), Yamamoto et al.
patent: 5161061 (1992-11-01), Ihara et al.
patent: 5191366 (1993-03-01), Kashiwagi
patent: 5215566 (1993-06-01), Yamamoto et al.
patent: 5228894 (1993-07-01), Sato et al.

Affiliated with

Also associated with

Rating

Mold for optical element and a method of molding optical element does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Mold for optical element and a method of molding optical element, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Mold for optical element and a method of molding optical element will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-737202