Optical element, method of molding optical element, and mold

Details Optical element, method of molding optical element, and mold Optical element, method of molding optical element, and mold

2006-11-07

2006-11-07

Dang, Hung Xuan (Department: 2873)

Optical: systems and elements

Lens

With support

C359S742000, C359S819000

Reexamination Certificate

active

07133223

ABSTRACT:
This invention provides an optical element comprising: an optical functional section on a first surface of the optical element, the optical functional section having a fine structure; and a flange section formed on a periphery of the optical functional section, wherein the flange section has a heat shrinkage-inhibiting portion, which inhibits heat shrinkage of the optical element during molding in a direction perpendicular to an optical axis of the optical element. The invention further provides a method of molding the optical element, and a mold.

REFERENCES:
patent: 4936666 (1990-06-01), Futhey
patent: 6914724 (2005-07-01), Redmond
patent: 2002-200652 (2002-07-01), None
patent: 2002-200654 (2002-07-01), None

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