Installable pinhole

Details Installable pinhole Installable pinhole

2008-07-15

2008-07-15

Mack, Ricky L (Department: 2873)

Optical: systems and elements

Light control by opaque element or medium movable in or...

Slit type

C359S233000, C359S227000

Reexamination Certificate

active

11926435

ABSTRACT:
Adjustable pinhole, particularly for the illumination beam path and/or detection beam path of a laser scanning microscope, wherein the pinhole is defined by foil edges which are adjustable relative to one another, and at least two foils, each with at least one straight edge, are advantageously arranged relative to one another and/or connected to one another in such a way that their edges describe an L-shape and the L-shaped connection pieces are arranged on one another in such a way that they define a rhombic or square light passage and they are moved relative to one another for adjusting the pinhole.

REFERENCES:
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patent: 4017162 (1977-04-01), Mills
patent: 4880294 (1989-11-01), Brakenhoff
patent: 5400170 (1995-03-01), Hanada
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Patent Abstracts of Japan, Publication No. 09159935 published Jun. 20, 1997 (Japanese Application No. 07323032 (Olympus Optical Co., Ltd.).
Patent Abstracts of Japan, Publication No. 04358110 published Dec. 11, 1992 (Japanese Application No. 03134181 (Olympus Optical Co., Ltd.).

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