FR2664708B1 - Procede de correction du durcissement d'un faisceau de rayons x dans un scanner. - Google Patents

Procede de correction du durcissement d'un faisceau de rayons x dans un scanner.

Info

Publication number
FR2664708B1
FR2664708B1 FR9008733A FR9008733A FR2664708B1 FR 2664708 B1 FR2664708 B1 FR 2664708B1 FR 9008733 A FR9008733 A FR 9008733A FR 9008733 A FR9008733 A FR 9008733A FR 2664708 B1 FR2664708 B1 FR 2664708B1
Authority
FR
France
Prior art keywords
hardening
scanner
correcting
ray beam
ray
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.)
Expired - Fee Related
Application number
FR9008733A
Other languages
English (en)
Other versions
FR2664708A1 (fr
Inventor
Feldman Andrei
Giudici Philippe
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.)
General Electric CGR SA
Original Assignee
General Electric CGR 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 General Electric CGR SA filed Critical General Electric CGR SA
Priority to FR9008733A priority Critical patent/FR2664708B1/fr
Publication of FR2664708A1 publication Critical patent/FR2664708A1/fr
Application granted granted Critical
Publication of FR2664708B1 publication Critical patent/FR2664708B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05GX-RAY TECHNIQUE
    • H05G1/00X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08Electrical details
    • H05G1/26Measuring, controlling or protecting
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16Measuring radiation intensity
    • G01T1/17Circuit arrangements not adapted to a particular type of detector
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01TMEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/29Measurement performed on radiation beams, e.g. position or section of the beam; Measurement of spatial distribution of radiation
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
FR9008733A 1990-07-10 1990-07-10 Procede de correction du durcissement d'un faisceau de rayons x dans un scanner. Expired - Fee Related FR2664708B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9008733A FR2664708B1 (fr) 1990-07-10 1990-07-10 Procede de correction du durcissement d'un faisceau de rayons x dans un scanner.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9008733A FR2664708B1 (fr) 1990-07-10 1990-07-10 Procede de correction du durcissement d'un faisceau de rayons x dans un scanner.

Publications (2)

Publication Number Publication Date
FR2664708A1 FR2664708A1 (fr) 1992-01-17
FR2664708B1 true FR2664708B1 (fr) 1992-09-25

Family

ID=9398533

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9008733A Expired - Fee Related FR2664708B1 (fr) 1990-07-10 1990-07-10 Procede de correction du durcissement d'un faisceau de rayons x dans un scanner.

Country Status (1)

Country Link
FR (1) FR2664708B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1296011C (zh) * 2003-07-16 2007-01-24 东软飞利浦医疗设备系统有限责任公司 一种ct机射束硬化的校正方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE347859B (fr) * 1970-11-30 1972-08-14 Medinova Ab
JPS6157840A (ja) * 1984-08-29 1986-03-24 Toshiba Corp 放射線断層検査装置
JPS62127657A (ja) * 1985-11-29 1987-06-09 Yokogawa Medical Syst Ltd X線ct装置の1次フイルタ

Also Published As

Publication number Publication date
FR2664708A1 (fr) 1992-01-17

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Legal Events

Date Code Title Description
ST Notification of lapse