Holder and optical element

Details Holder and optical element Holder and optical element

2007-09-11

2007-09-11

Dang, Hung (Department: 2873)

Optical: systems and elements

Lens

With support

C359S808000, C359S819000

Reexamination Certificate

active

10925496

ABSTRACT:
A holder and optical element device includes a holder having a substantially cylindrical interior shape and an optical element fitted in the holder along an inner surface of the holder. The holder may have a step on the inner surface thereof. This step has a surface that is inclined downward and inward from the interior surface of the holder. The optical element may have a convex optical surface section on a surface thereof and a flat surface section around the optical surface section, the flat surface section being disposed on the downward-inclined surface. The optical element is disposed on the inner surface of the holder in such a manner that the step is in contact with the peripheral surface of the optical element.

REFERENCES:
patent: 4281891 (1981-08-01), Shinohara et al.
patent: 4895585 (1990-01-01), Angenent et al.
patent: 6179483 (2001-01-01), Kanazawa
patent: 6567224 (2003-05-01), Hatakeyama et al.
patent: 6735023 (2004-05-01), Schunk
patent: 6793406 (2004-09-01), Edwards et al.
patent: 2002/0075573 (2002-06-01), Kaneko et al.

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