Method of laser machining contact lenses

Details Method of laser machining contact lenses Method of laser machining contact lenses

1980-04-11

1981-12-22

Lowe, James B.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Utilizing plasma, electric, electromagnetic, particulate, or...

219121LF, 219121LM, 219121LN, 264 25, 264 27, 331DIG1, 351177, B29D 1100

Patent

active

043070469

ABSTRACT:
A method of cutting spherical, aspheric and toric optical surfaces by rotating the lens around the optical axis and moving a cutting device on a X and Y axis to produce the desired lens shape. The energy provided by an infrared laser may be used for simultaneous machining and polishing the optical surface.

REFERENCES:
patent: 3538298 (1970-11-01), Duxton et al.
patent: 3571555 (1971-03-01), Tonnes
patent: 3700850 (1972-10-01), Lumley et al.
patent: 3749878 (1973-07-01), Sullivan et al.
patent: 4155962 (1979-05-01), Neefe

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