Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Reexamination Certificate
2006-04-11
2006-04-11
Schwartz, Jordan M. (Department: 2873)
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
C351S159000, C351S163000
Reexamination Certificate
active
07025457
ABSTRACT:
A dip coating process is disclosed that provides a coating on the surfaces of an optical element with more consistent coating thickness. The objectives of this invention are accomplished by holding the coated optical element so that a meniscus is created between the element and the surface of the coating solution. At such a position, the capillary force generated by the touching meniscus helps drain down excessive coating at the bottom of the substrate to quickly yield a consistent coating thickness over the coated surface.
REFERENCES:
patent: 4291097 (1981-09-01), Kamada et al.
patent: 5895609 (1999-04-01), Doyle et al.
patent: 6355104 (2002-03-01), Polster
patent: 2002/0159160 (2002-10-01), Kayanoki
Koev Luben
Smihi Mohamed-Shahih
Trinh Tuyethoa T.
Zielinski Richard E.
Inskeep IP Group, Inc.
Stultz Jessica
Vision-Ease Lens
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