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X-ray dosimeter

Info

Publication number
WO2007036460A3
WO2007036460A3 PCT/EP2006/066500 EP2006066500W WO2007036460A3 WO 2007036460 A3 WO2007036460 A3 WO 2007036460A3 EP 2006066500 W EP2006066500 W EP 2006066500W WO 2007036460 A3 WO2007036460 A3 WO 2007036460A3
Authority
WO
Grant status
Application
Patent type
Prior art keywords
capacitor
plate
ray
chamber
comprises
Prior art date
Application number
PCT/EP2006/066500
Other languages
German (de)
French (fr)
Other versions
WO2007036460A2 (en )
Inventor
Ronald Dittrich
Detlef Mattern
Peter Schardt
Original Assignee
Siemens Ag
Ronald Dittrich
Detlef Mattern
Peter Schardt
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/02Dosimeters
    • G01T1/14Electrostatic dosimeters
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J47/00Tubes for determining the presence, intensity, density or energy of radiation or particles
    • H01J47/02Ionisation chambers
    • H01J47/04Capacitive ionisation chambers, e.g. the electrodes of which are used as electrometers

Abstract

The invention relates to an x-ray dosimeter comprising a first capacitor plate (1) and a second capacitor plate (2) which are arranged in a chamber or form parts of a chamber (4), said chamber (4) being filled with a gaseous medium. The first capacitor plate (1) comprises an active measuring field (5) on the side thereof facing the second capacitor plate (2), and the second capacitor plate (2) comprises an electron-emitting x-ray absorption layer (6) on the side thereof facing the first capacitor plate (1).
PCT/EP2006/066500 2005-09-26 2006-09-19 X-ray dosimeter WO2007036460A3 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE102005045972.2 2005-09-26
DE200510045972 DE102005045972A1 (en) 2005-09-26 2005-09-26 X-ray dose measuring device used in radiography or in mammography comprises a first capacitor plate and a second capacitor plate arranged in a chamber of forming parts of a chamber filled with a gaseous medium

Publications (2)

Publication Number Publication Date
WO2007036460A2 true WO2007036460A2 (en) 2007-04-05
WO2007036460A3 true true WO2007036460A3 (en) 2008-01-10

Family

ID=37852526

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/066500 WO2007036460A3 (en) 2005-09-26 2006-09-19 X-ray dosimeter

Country Status (2)

Country Link
DE (1) DE102005045972A1 (en)
WO (1) WO2007036460A3 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1408292A (en) * 1972-05-12 1975-10-01 Gec Medical Equipment Ltd Ionisation chambers
US6362484B1 (en) * 1995-07-14 2002-03-26 Imec Vzw Imager or particle or radiation detector and method of manufacturing the same
FR2856481A1 (en) * 2003-06-19 2004-12-24 Ge Med Sys Global Tech Co Llc X-ray detector for imaging system, has image controlling and processing unit analyzing electrical signals representing quantity of photoelectrons hitting charge collecting electrodes, to determine position of X-ray photon incidence

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1408292A (en) * 1972-05-12 1975-10-01 Gec Medical Equipment Ltd Ionisation chambers
US6362484B1 (en) * 1995-07-14 2002-03-26 Imec Vzw Imager or particle or radiation detector and method of manufacturing the same
FR2856481A1 (en) * 2003-06-19 2004-12-24 Ge Med Sys Global Tech Co Llc X-ray detector for imaging system, has image controlling and processing unit analyzing electrical signals representing quantity of photoelectrons hitting charge collecting electrodes, to determine position of X-ray photon incidence

Also Published As

Publication number Publication date Type
WO2007036460A2 (en) 2007-04-05 application
DE102005045972A1 (en) 2007-04-05 application

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