Process for producing optical element

Details Process for producing optical element Process for producing optical element

1987-04-08

1991-01-15

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Composite or multiple layer

264 11, 264 23, 264101, 264316, 264335, 425437, 425808, B29D 1100

Patent

active

049851861

ABSTRACT:
A process for producing an optical element wherein an optical molding is formed by using a mold and thereafter released from the mold by supplying a gas to the boundary between the mold surface and the optical molding. In the process, no localized external force is applied to the optical molding during the release thereof, and therefore undesirable deformation or flaws of the optical molding are not caused.

REFERENCES:
patent: 3529458 (1970-09-01), Butler et al.
patent: 4038014 (1977-07-01), Dusza et al.
patent: 4312575 (1982-01-01), Peyman et al.
patent: 4385025 (1983-05-01), Salerno et al.
patent: 4657354 (1987-04-01), Kobayashi

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