FR2469797A1 - Detecteur a ionisation gazeuse et tomodensitometre utilisant un tel detecteur - Google Patents

Detecteur a ionisation gazeuse et tomodensitometre utilisant un tel detecteur

Info

Publication number
FR2469797A1
FR2469797A1 FR7928041A FR7928041A FR2469797A1 FR 2469797 A1 FR2469797 A1 FR 2469797A1 FR 7928041 A FR7928041 A FR 7928041A FR 7928041 A FR7928041 A FR 7928041A FR 2469797 A1 FR2469797 A1 FR 2469797A1
Authority
FR
France
Prior art keywords
detector
electrodes
ionization chamber
tomodensitometer
compartments
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7928041A
Other languages
English (en)
Other versions
FR2469797B1 (fr
Inventor
Remy Klausz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Generale de Radiologie SA
Original Assignee
Compagnie Generale de Radiologie SA
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
Application filed by Compagnie Generale de Radiologie SA filed Critical Compagnie Generale de Radiologie SA
Priority to FR7928041A priority Critical patent/FR2469797A1/fr
Priority to DE8080401481T priority patent/DE3062841D1/de
Priority to EP80401481A priority patent/EP0029758B1/fr
Priority to US06/206,829 priority patent/US4367409A/en
Publication of FR2469797A1 publication Critical patent/FR2469797A1/fr
Application granted granted Critical
Publication of FR2469797B1 publication Critical patent/FR2469797B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J47/00—Tubes for determining the presence, intensity, density or energy of radiation or particles
    • H01J47/02—Ionisation chambers

Landscapes

  • Measurement Of Radiation (AREA)
  • Electron Tubes For Measurement (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

Abstract

DETECTEUR A CHAMBRE D'IONISATION PERMETTANT L'ELIMINATION DES SIGNAUX PARASITES GENERALEMENT DUS AUX DEFORMATIONS DES LIGNES DE FORCE DU CHAMP ELECTRIQUE CREE ENTRE LES ELECTRODES DE LA CHAMBRE D'IONISATION, DEFORMATIONS SITUEES AUX EXTREMITES DE CES ELECTRODES. CE DETECTEUR COMPORTE UNE CHAMBRE D'IONISATION PARTAGEE DE FACON ETANCHE EN DEUX COMPARTIMENTS C, C AU MOYEN D'UNE CLOISON M EN MATERIAU DIELECTRIQUE PERMEABLE AU FAISCEAU DE RAYONNEMENT IONISANT. DANS LE COMPARTIMENT C AVAL SONT DISPOSEES DES ELECTRODES DE MESURE E, E... ET DANS LE COMPARTIMENT C DES ELECTRODES DE GARDE E, E... RESPECTIVEMENT COPLANAIRES ET PORTEES AUX MEMES POTENTIELS V, V QUE LES ELECTRODES DE MESURE E, E... LES GAZ INTRODUITS SOUS LA MEME HAUTE PRESSION DANS LES COMPARTIMENTS C, C ONT DES NUMEROS ATOMIQUES DIFFERENTS. APPLICATION: TOMODENSITOMETRE.
FR7928041A 1979-11-14 1979-11-14 Detecteur a ionisation gazeuse et tomodensitometre utilisant un tel detecteur Granted FR2469797A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7928041A FR2469797A1 (fr) 1979-11-14 1979-11-14 Detecteur a ionisation gazeuse et tomodensitometre utilisant un tel detecteur
DE8080401481T DE3062841D1 (en) 1979-11-14 1980-10-17 Gas ionisation detector and tomodensitometer using such a detector
EP80401481A EP0029758B1 (fr) 1979-11-14 1980-10-17 Détecteur à ionisation gazeuse et tomodensitomètre utilisant un tel détecteur
US06/206,829 US4367409A (en) 1979-11-14 1980-11-14 Ionization gas detector and tomo-scanner using such a detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7928041A FR2469797A1 (fr) 1979-11-14 1979-11-14 Detecteur a ionisation gazeuse et tomodensitometre utilisant un tel detecteur

Publications (2)

Publication Number Publication Date
FR2469797A1 true FR2469797A1 (fr) 1981-05-22
FR2469797B1 FR2469797B1 (fr) 1981-10-30

Family

ID=9231656

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7928041A Granted FR2469797A1 (fr) 1979-11-14 1979-11-14 Detecteur a ionisation gazeuse et tomodensitometre utilisant un tel detecteur

Country Status (4)

Country Link
US (1) US4367409A (fr)
EP (1) EP0029758B1 (fr)
DE (1) DE3062841D1 (fr)
FR (1) FR2469797A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU180521U1 (ru) * 2017-04-28 2018-06-15 Федеральное государственное бюджетное учреждение "Петербургский институт ядерной физики им. Б.П. Константинова" Ионизационная камера
CN113749682A (zh) * 2021-08-05 2021-12-07 中国人民解放军总医院 具有隔断平台的扫描床
RU2792980C1 (ru) * 2022-11-02 2023-03-28 Федеральное государственное бюджетное учреждение науки Институт ядерных исследований Российской академии наук (ИЯИ РАН) Радиохимический способ мониторирования потока протонов

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2504278B1 (fr) * 1981-04-15 1985-11-08 Commissariat Energie Atomique Detecteur de rayons x
US4980904A (en) * 1985-11-15 1990-12-25 Picker International, Inc. Radiation imaging calibration
US4751391A (en) * 1986-12-19 1988-06-14 General Electric Company High resolution X-ray collimator/detector system having reduced sensitivity to leakage radiation
DE4340389C1 (de) * 1993-11-26 1994-11-03 Siemens Ag Gasdetektor für die Computertomographie
DE4342779C1 (de) * 1993-12-15 1994-11-17 Siemens Ag Gasdetektor für die Computertomographie
US11841104B2 (en) 2020-04-21 2023-12-12 Shanghai United Imaging Healthcare Co., Ltd. System and method for equalizing pressure in ionization chamber of radiation device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344121A1 (fr) * 1976-03-09 1977-10-07 Philips Nv Dispositif pour la detection de rayonnement
NL7703944A (en) * 1977-04-12 1978-10-16 Philips Nv Multichannel X=ray detector esp. for computer tomography - has cells of differing measuring capacity increasing speed and accuracy

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1046235A (en) * 1963-08-23 1966-10-19 English Electric Co Ltd Radiation detectors
US4158774A (en) * 1975-08-01 1979-06-19 Stokes Arthur J Radiation detector with improved performance characteristics
US4075527A (en) * 1976-09-27 1978-02-21 General Electric Company X-ray detector
DE2747872A1 (de) * 1977-10-26 1979-05-03 Philips Patentverwaltung Strahlennachweisvorrichtung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2344121A1 (fr) * 1976-03-09 1977-10-07 Philips Nv Dispositif pour la detection de rayonnement
NL7703944A (en) * 1977-04-12 1978-10-16 Philips Nv Multichannel X=ray detector esp. for computer tomography - has cells of differing measuring capacity increasing speed and accuracy

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU180521U1 (ru) * 2017-04-28 2018-06-15 Федеральное государственное бюджетное учреждение "Петербургский институт ядерной физики им. Б.П. Константинова" Ионизационная камера
CN113749682A (zh) * 2021-08-05 2021-12-07 中国人民解放军总医院 具有隔断平台的扫描床
CN113749682B (zh) * 2021-08-05 2023-05-09 中国人民解放军总医院 具有隔断平台的扫描床
RU2792980C1 (ru) * 2022-11-02 2023-03-28 Федеральное государственное бюджетное учреждение науки Институт ядерных исследований Российской академии наук (ИЯИ РАН) Радиохимический способ мониторирования потока протонов

Also Published As

Publication number Publication date
US4367409A (en) 1983-01-04
EP0029758B1 (fr) 1983-04-20
FR2469797B1 (fr) 1981-10-30
EP0029758A1 (fr) 1981-06-03
DE3062841D1 (en) 1983-05-26

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