FR2446490A1 - Integrated measurement of ionising nuclear radiation - is determined by discharge of polypropylene film on metallic carriage - Google Patents

Integrated measurement of ionising nuclear radiation - is determined by discharge of polypropylene film on metallic carriage

Info

Publication number
FR2446490A1
FR2446490A1 FR7900636A FR7900636A FR2446490A1 FR 2446490 A1 FR2446490 A1 FR 2446490A1 FR 7900636 A FR7900636 A FR 7900636A FR 7900636 A FR7900636 A FR 7900636A FR 2446490 A1 FR2446490 A1 FR 2446490A1
Authority
FR
France
Prior art keywords
film
ionising
radiation
discharge
determined
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.)
Withdrawn
Application number
FR7900636A
Other languages
French (fr)
Inventor
Francois Micheron
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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7900636A priority Critical patent/FR2446490A1/en
Publication of FR2446490A1 publication Critical patent/FR2446490A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/02—Dosimeters
    • G01T1/14—Electrostatic dosimeters

Abstract

The ionising radiation must be measured constantly in areas where there is a risk to personnel such as in the nuclear industry. This measurement is performed by a portable instrument in which a film of polypropylene is discharged by the ionising radiation. An electrically non conducting film of polypropylene is held on a frame of variable thickness which is mounted on thick supports. This assembly is mounted on a moving metallic carriage to form one electrode. The film is placed under a point carrying a high potential from a generator to charge the film by Corona effect. The charge potential is measured by a probe from an electrostatic voltmeter and is repeated for a negative charge. Graphs of normalised potential against radiation allow determination of unknown radiation levels.
FR7900636A 1979-01-11 1979-01-11 Integrated measurement of ionising nuclear radiation - is determined by discharge of polypropylene film on metallic carriage Withdrawn FR2446490A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7900636A FR2446490A1 (en) 1979-01-11 1979-01-11 Integrated measurement of ionising nuclear radiation - is determined by discharge of polypropylene film on metallic carriage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7900636A FR2446490A1 (en) 1979-01-11 1979-01-11 Integrated measurement of ionising nuclear radiation - is determined by discharge of polypropylene film on metallic carriage

Publications (1)

Publication Number Publication Date
FR2446490A1 true FR2446490A1 (en) 1980-08-08

Family

ID=9220634

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7900636A Withdrawn FR2446490A1 (en) 1979-01-11 1979-01-11 Integrated measurement of ionising nuclear radiation - is determined by discharge of polypropylene film on metallic carriage

Country Status (1)

Country Link
FR (1) FR2446490A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0263759A1 (en) * 1986-10-10 1988-04-13 Thomson-Csf Electrostatic image detector
FR2684187A1 (en) * 1991-11-25 1993-05-28 Ganouna Cohen Patrice Improvements to the structure of leaf (foil) electrometers

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695363A (en) * 1950-03-01 1954-11-23 Gen Electric Method and apparatus for measuring ionizing radiations
FR1281399A (en) * 1960-11-25 1962-01-12 Device for the detection and measurement of ionizing radiations
US3523188A (en) * 1965-12-20 1970-08-04 Xerox Corp Semiconductor current control device and method
AU3907572A (en) * 1971-04-20 1973-08-23 Amalgamated Wireless (Australasia) Limited Integrating detector cf radiation
FR2389896A1 (en) * 1977-05-05 1978-12-01 Dreyfus Gerard

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695363A (en) * 1950-03-01 1954-11-23 Gen Electric Method and apparatus for measuring ionizing radiations
FR1281399A (en) * 1960-11-25 1962-01-12 Device for the detection and measurement of ionizing radiations
US3523188A (en) * 1965-12-20 1970-08-04 Xerox Corp Semiconductor current control device and method
AU3907572A (en) * 1971-04-20 1973-08-23 Amalgamated Wireless (Australasia) Limited Integrating detector cf radiation
FR2389896A1 (en) * 1977-05-05 1978-12-01 Dreyfus Gerard

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/78 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0263759A1 (en) * 1986-10-10 1988-04-13 Thomson-Csf Electrostatic image detector
FR2605167A1 (en) * 1986-10-10 1988-04-15 Thomson Csf ELECTROSTATIC IMAGE SENSOR
FR2684187A1 (en) * 1991-11-25 1993-05-28 Ganouna Cohen Patrice Improvements to the structure of leaf (foil) electrometers

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