Optical device, optical system, method of production of...

Optical: systems and elements – Lens – Single component with multiple elements

Reexamination Certificate

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C359S741000, C264S001700, C264S002400

Reexamination Certificate

active

06985310

ABSTRACT:
A first optical device according to the present invention comprises a base made of a first optical material and a second optical material having a refractive index different from that of the first optical material, and the base has a concavity, and the second optical material is filled in this concavity. A second optical device according to the present invention comprises a base made of a first optical material and a second optical material having a refractive index different from the first optical material, and the base comprises first and second faces facing each other, a first concavity is formed in the first face and a second concavity is formed in the second face, and the second optical material is filled in the first and second concavities.

REFERENCES:
patent: 1521563 (1924-12-01), Pfleegor
patent: 3532038 (1970-10-01), Rottman
patent: 3912400 (1975-10-01), Luebkeman
patent: 4084978 (1978-04-01), Sagara
patent: 5867315 (1999-02-01), Koike et al.
patent: 5922250 (1999-07-01), Ishikawa et al.
patent: 6043940 (2000-03-01), Kamiyama et al.
patent: 6491851 (2002-12-01), Keller et al.
patent: 63 206721 (1988-08-01), None
patent: 2000-090469 (2000-03-01), None
patent: WO 97 35811 (1997-10-01), None
EPO Search Report Dec. 12, 2003.

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