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2 105 273

(13)

C1

(51)

IPC

(21) (22)

Application

94028397/25, 1994-07-22

(22)

Actual filing date

1994-07-22

(45)

Published

1998-02-20

(72)

Inventor

Gerasimova N.G.Beljaeva G.G.Smirnov A.P.Khramov V.Ju.Glebov L.B.Bogdanov V.G.

(73)

Holder

Nauchno-Issledovatel'Skij I Tekhnologicheskij Institut Opticheskogo Materialovedenija Vserossijskogo Nauchnogo Tsentra Opticheskij Institut Im.S.I.Vavilova"

SPECTROGRAPH Russian patent published in 1998 - IPC

Abstract RU 2105273 C1

FIELD: optical instrumentation engineering. SUBSTANCE: spectrograph has concave diffraction grating and input spectral slit positioned on Rowland circle. Spectral slit is provided with three pairs of symmetrically separated blades positioned in one plane. Width of blade opening is adjusted independently. Butt-jointed face surfaces of blades serve as guides of longitudinal displacement of blades. Cassette is provided with double transport mechanisms for moving the film and diaphragm. Cassette base has two concentric slots. External slot coincides with focal surface, and internal slot accommodates diaphragm with three recesses butt-joined in height in compliance with blades of three-row input slit and shifted horizontally relative to one another by more than length of one recess. EFFECT: higher results of analysis. 14 dwg, 1 tbl

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RU 2 105 273 C1

Authors

Gerasimova N.G.

Beljaeva G.G.

Smirnov A.P.

Khramov V.Ju.

Glebov L.B.

Bogdanov V.G.

Dates

1998-02-20—Published

1994-07-22—Filed

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