Plastic lens, manufacturing method thereof, production...

Details Plastic lens, manufacturing method thereof, production... Plastic lens, manufacturing method thereof, production...

2003-11-26

2008-09-16

Sugarman, Scott J (Department: 2873)

Optical: systems and elements

Lens

C369S112230

Reexamination Certificate

active

07426078

ABSTRACT:
A lens has a flange part at the outer periphery of its surface. A flange surface of the flange part is higher than the lens surface. The flange surface has a marking to identify a production jig, for example.

REFERENCES:
patent: 6078430 (2000-06-01), Fukuda et al.
patent: 2001/0017733 (2001-08-01), Asakura
patent: 2000-111709 (2000-04-01), None
patent: 2002-122711 (2002-04-01), None

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