G - Physics – 06 – K
Patent
G - Physics
06
K
3/112, 95/25, 96
G06K 7/10 (2006.01) A61F 2/16 (2006.01) B41F 17/00 (2006.01) B44B 7/00 (2006.01) G02C 7/02 (2006.01) G03F 7/00 (2006.01) G06K 1/12 (2006.01) G09F 3/00 (2006.01)
Patent
CA 1099561
Abstract of the Disclosure Nondestructive marking of plastic artificial intraocular lenses for coding purposes. Exposure with ultraviolet radiation of portions of a lens surface forming boundaries of desired coding characters or similar exposure only of areas forming the characters themselves produces a differential in refractive index of the material of the lens wherewith detection and reading of the coding may be accomplished before and/or after intraocular implantation.
278001
Deeg Emil W.
Zdrok Edward Z.
American Optical Corporation
Macrae & Co.
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