Method of marking ophthalmic lens by using laser radiation

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks

Reexamination Certificate

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C351S159000

Reexamination Certificate

active

06997554

ABSTRACT:
A method of marking an ophthalmic lens, including a step of irradiating the ophthalmic lens formed of a resin material with a laser radiation, such that the laser radiation is condensed at each of predetermined at least one spot within the ophthalmic lens, to form a whitened portion at the each of the predetermined at least one spot, for thereby providing the ophthalmic lens with a marking.

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patent: 62-37368 (1987-08-01), None
patent: 64-013520 (1989-01-01), None
patent: 5-67932 (1993-09-01), None

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