Optical article and method for producing the same

Details Optical article and method for producing the same Optical article and method for producing the same

2009-11-18

2011-12-13

Collins, Darryl J (Department: 2873)

Optical: systems and elements

Lens

Single component with multiple elements

C351S166000

Reexamination Certificate

active

08077405

ABSTRACT:
An optical article includes: an optical substrate, and a functional layer laminated on the surface of the optical substrate, the functional layer having a thickness T μm that satisfies the following condition:in-line-formulae description="In-line Formulae" end="lead"?6.5dn+4.0≦T≦100in-line-formulae description="In-line Formulae" end="tail"?wherein the thickness T is larger than 5 μm, and dn is the refractive index difference at the boundary of the optical substrate and the functional layer and satisfies the following condition:in-line-formulae description="In-line Formulae" end="lead"?0.06≦dn≦0.4.in-line-formulae description="In-line Formulae" end="tail"?

REFERENCES:
patent: 4930879 (1990-06-01), Iryo et al.
patent: 6248431 (2001-06-01), Jiang et al.
patent: 2007/0183056 (2007-08-01), Conte et al.
patent: 07-056002 (1995-03-01), None
patent: 09-113702 (1997-05-01), None

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