Lens

Details Lens Lens

2006-02-14

2006-02-14

Sugarman, Scott J. (Department: 2873)

Optical: systems and elements

Lens

With support

C359S819000, C362S455000, C353S100000

Reexamination Certificate

active

06999249

ABSTRACT:
Disclosed is a lens, which has a convex surface, a concave surface and a flange that is formed around the lens to be projected in a radial direction perpendicular to an optical axis and to be continued from the convex surface. The flange is provided with a groove formed on the side of the convex surface that extends from the outer edge of the convex surface toward the outer edge of the flange. When the lens is pulled up from a solution of coating material, the unnecessary solution that collects at a lower area of the convex surface drips from the lens through the groove. This prevents a formation of a puddle on the convex surface.

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patent: 2000-189884 (2000-07-01), None
patent: 2000-202355 (2000-07-01), None
patent: 2000-210614 (2000-08-01), None

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