Global Patent Index - EP 1102302 A1

EP 1102302 A1 2001-05-23 - Monochromatic x-ray source

Title (en)

Monochromatic x-ray source

Title (de)

Monochromatische Röntgenstrahlenquelle

Title (fr)

Source monochromatique à rayons X

Publication

EP 1102302 A1 (DE)

Application

EP 00203920 A

Priority

DE 19955392 A

Abstract (en)

A primary target (10) is provided in the form of a liquid metal or a liquid metal alloy. The primary target is disposed between a first electron-permeable window (2), and a second x-ray permeable window (6). A secondary target (11) adjoins the second window. Electrons that are incident on the primary target having passed through the first window generate x-rays which, when reaching the secondary target, have a maximum energy that corresponds to an absorption edge of the secondary target, so that substantially monochromatic fluorescence-x-ray radiation is excited in the secondary target.

Abstract (de)

Es wird eine Röntgenstrahlenquelle zur Erzeugung einer weitgehend monochromatischen Fluoreszenz-Röntgenstrahlung mit einem primären und einem sekundären Target beschrieben. Die Strahlenquelle zeichnet sich dadurch aus, dass das primäre Target (10) ein flüssiges Metall eine flüssige Metalllegierung ist, das/die zwischen einem ersten, für einen Elektronenstrahl durchlässigen und einem zweiten, für eine Röntgenstrahlung durchlässigen Fenster (2;6), an das sich das sekundäre Target (11) anschließt, in der Weise geführt ist, dass Elektronen, die durch das erste Fenster auf das primäre Target treffen, Röntgenstrahlen erzeugen, die beim Erreichen des sekundären Targets im wesentlichen eine einer Absorptionskante des sekundären Targets entsprechende maximale Energie aufweisen, so dass in dem sekundären Target eine weitgehend monochromatische Fluoreszenz-Röntgenstrahlung angeregt wird. <IMAGE>

IPC 1-7 (main, further and additional classification)

H01J 35/08

IPC 8 full level (invention and additional information)

G21K 5/00 (2006.01); G21K 5/08 (2006.01); H01J 35/08 (2006.01); H01J 35/18 (2006.01)

CPC (invention and additional information)

H01J 35/08 (2013.01); H01J 2235/082 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB NL

EPO simple patent family

EP 1102302 A1 20010523; EP 1102302 B1 20060301; DE 19955392 A1 20010523; DE 50012305 D1 20060427; JP 2001155670 A 20010608; US 6560313 B1 20030506

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