Optical lens

Details Optical lens Optical lens

2007-04-24

2007-04-24

Schwartz, Jordan (Department: 2873)

Optical: systems and elements

Lens

With support

C359S719000, C425S808000

Reexamination Certificate

active

11393294

ABSTRACT:
Optical elements are provided. An optical element is formed by injecting resin material into a mold through a gate in a first direction. The optical element includes a main body, a flange surrounding and connecting the main body, and a curved depression formed between the main body and the flange. The main body has a central axis and a first curved surface. The flange includes an annular abutting surface and a connecting portion. The connecting portion has a connecting surface connecting the first curved surface and the abutting surface. Both of the abutting surface and the connecting surface are perpendicular to the central axis.

REFERENCES:
patent: 4113224 (1978-09-01), Clark et al.
patent: 4506951 (1985-03-01), Yamada
patent: 6144500 (2000-11-01), Iwaki et al.
patent: 2003/0026007 (2003-02-01), Yamamoto et al.
patent: 2004/0080837 (2004-04-01), Yamamoto et al.

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