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FR2278162A1 - MINIATURIZED INDIVIDUAL DEVICE FOR INSTANT IRRADIATION CONTROL - Google Patents

MINIATURIZED INDIVIDUAL DEVICE FOR INSTANT IRRADIATION CONTROL

Info

Publication number
FR2278162A1
FR2278162A1 FR7424079A FR7424079A FR2278162A1 FR 2278162 A1 FR2278162 A1 FR 2278162A1 FR 7424079 A FR7424079 A FR 7424079A FR 7424079 A FR7424079 A FR 7424079A FR 2278162 A1 FR2278162 A1 FR 2278162A1
Authority
FR
France
Prior art keywords
armatures
appts
crystal
signal device
direct
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
FR7424079A
Other languages
French (fr)
Other versions
FR2278162B1 (en
Inventor
Claude Schwab
Maggy Joucla
Georges Schwalbac
Paul Siffert
Jean-Pierre Ponpon
Roland Stuck
Raymond Regal
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Priority to FR7424079A priority Critical patent/FR2278162A1/en
Publication of FR2278162A1 publication Critical patent/FR2278162A1/en
Application granted granted Critical
Publication of FR2278162B1 publication Critical patent/FR2278162B1/fr
Granted 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
    • G01T1/16—Measuring radiation intensity
    • G01T1/24—Measuring radiation intensity with semiconductor detectors
    • G01T1/244—Auxiliary details, e.g. casings, cooling, damping or insulation against damage by, e.g. heat, pressure or the like
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
    • G01T1/16—Measuring radiation intensity
    • G01T1/24—Measuring radiation intensity with semiconductor detectors
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F99/00—Subject matter not provided for in other groups of this subclass

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Molecular Biology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Measurement Of Radiation (AREA)

Abstract

A miniaturised appts. for detecting personal exposure to radiation incorporates as the sensitive element a quadratic monocrystal of mercuric iodide with two conducting armatures. The armatures are formed by a metal, germanium or palladium deposited by evaporation under vacuum on two plane faces of the crystal, the thickness of the crystal between the armatures being .1 to 50 mm, pref. .5 to 10 mm. The crystal is encapsulated in an insulating substance which is enclosed in an aluminium box. One gold or stainless steel conducting wire connects one of the armatures to the case; another, connected to the other armature, passes through the case, insulated from it. The appts. incorporates a direct-alternating-direct converter to polarise the armatures, applying a direct voltage (50-100 volts) between them, as well as a low voltage source, a signal device and amplifying and oscillatory circuits to feed the signal device in response to electrical perturbations produced by radiation incident on the monocrystal. The signal device is a speaker and a galvanometer is included as well. The appts. is less bulky than a Geiger-Muller counter and gives an instant alarm, not provided by a photographic film.
FR7424079A 1974-07-11 1974-07-11 MINIATURIZED INDIVIDUAL DEVICE FOR INSTANT IRRADIATION CONTROL Granted FR2278162A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7424079A FR2278162A1 (en) 1974-07-11 1974-07-11 MINIATURIZED INDIVIDUAL DEVICE FOR INSTANT IRRADIATION CONTROL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7424079A FR2278162A1 (en) 1974-07-11 1974-07-11 MINIATURIZED INDIVIDUAL DEVICE FOR INSTANT IRRADIATION CONTROL

Publications (2)

Publication Number Publication Date
FR2278162A1 true FR2278162A1 (en) 1976-02-06
FR2278162B1 FR2278162B1 (en) 1977-03-25

Family

ID=9141143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7424079A Granted FR2278162A1 (en) 1974-07-11 1974-07-11 MINIATURIZED INDIVIDUAL DEVICE FOR INSTANT IRRADIATION CONTROL

Country Status (1)

Country Link
FR (1) FR2278162A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2077496A2 (en) * 1993-04-22 1995-11-16 Invest Energeticas Medio Ambie System of manufacturing HgI2-based radiation micro- detectors.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2077496A2 (en) * 1993-04-22 1995-11-16 Invest Energeticas Medio Ambie System of manufacturing HgI2-based radiation micro- detectors.

Also Published As

Publication number Publication date
FR2278162B1 (en) 1977-03-25

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Legal Events

Date Code Title Description
ST Notification of lapse