DE69625194T2 - Alphadetektor mit gasstroemung - Google Patents
Alphadetektor mit gasstroemungInfo
- Publication number
- DE69625194T2 DE69625194T2 DE69625194T DE69625194T DE69625194T2 DE 69625194 T2 DE69625194 T2 DE 69625194T2 DE 69625194 T DE69625194 T DE 69625194T DE 69625194 T DE69625194 T DE 69625194T DE 69625194 T2 DE69625194 T2 DE 69625194T2
- Authority
- DE
- Germany
- Prior art keywords
- alphadetector
- gas flow
- gas
- flow
- 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 - Lifetime
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
- G01T1/18—Measuring radiation intensity with counting-tube arrangements, e.g. with Geiger counters
-
- 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
- H01J47/026—Gas flow ionisation chambers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S250/00—Radiant energy
- Y10S250/02—Radon detection
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/395,934 US5514872A (en) | 1995-02-27 | 1995-02-27 | High gas flow alpha detector |
PCT/US1996/002274 WO1996027140A1 (en) | 1995-02-27 | 1996-02-26 | High gas flow alpha detector |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69625194D1 DE69625194D1 (de) | 2003-01-16 |
DE69625194T2 true DE69625194T2 (de) | 2003-10-16 |
Family
ID=23565153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69625194T Expired - Lifetime DE69625194T2 (de) | 1995-02-27 | 1996-02-26 | Alphadetektor mit gasstroemung |
Country Status (7)
Country | Link |
---|---|
US (1) | US5514872A (de) |
EP (1) | EP0826155B1 (de) |
JP (1) | JP3408543B2 (de) |
AU (1) | AU5133096A (de) |
CA (1) | CA2213527C (de) |
DE (1) | DE69625194T2 (de) |
WO (1) | WO1996027140A1 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5663567A (en) * | 1996-05-31 | 1997-09-02 | The Regents Of The University Of California | Apparatus for detecting alpha radiation in difficult access areas |
DE69827509D1 (de) | 1997-02-26 | 2004-12-16 | British Nuclear Fuels Plc | Überwachung und/oder detektion von alpha-strahlungsquellen |
US6018985A (en) * | 1998-02-06 | 2000-02-01 | Durridge Co. | Method and apparatus for measuring unattached radon progeny |
GB9809745D0 (en) | 1998-05-08 | 1998-07-08 | British Nuclear Fuels Ltd | Improvements in and relating to electrostatic monitoring |
GB9809742D0 (en) | 1998-05-08 | 1998-07-08 | British Nuclear Fuels Ltd | Improvements in and relating to monitoring ion sources |
GB9809740D0 (en) | 1998-05-08 | 1998-07-08 | British Nuclear Fuels Ltd | Improvements in and relating to monitoring materials |
GB9809744D0 (en) | 1998-05-08 | 1998-07-08 | British Nuclear Fuels Ltd | Improvements in and relating to ion detection |
GB2337154B (en) | 1998-05-08 | 2003-01-15 | British Nuclear Fuels Plc | Improvements in and relating to monitoring |
GB2337155B (en) | 1998-05-08 | 2003-01-22 | British Nuclear Fuels Plc | Improvements in and relating to ion monitoring |
US6359280B1 (en) | 1998-05-08 | 2002-03-19 | British Nuclear Fuels Plc | Detectors |
GB9809756D0 (en) * | 1998-05-08 | 1998-07-08 | British Nuclear Fuels Plc | Improvements in and relating to the collection of ions |
GB2368185B (en) * | 2000-10-19 | 2002-09-04 | Arthur Ernest Smith | Detector for airborne alpha particle radiation |
GB0027320D0 (en) * | 2000-11-08 | 2000-12-27 | British Nuclear Fuels Plc | Improvements in and relating to apparatus and methods for monitoring emissions |
JP4131824B2 (ja) * | 2003-02-06 | 2008-08-13 | 株式会社東芝 | 放射線測定装置 |
JP2005156463A (ja) * | 2003-11-27 | 2005-06-16 | Mitsubishi Heavy Ind Ltd | α放射能測定装置用電離箱およびα放射能測定装置 |
US20050132777A1 (en) * | 2003-12-23 | 2005-06-23 | Lane-Smith Derek R. | Method of detecting and/or monitoring an increase in atmospheric radioactivity due to purposeful dispersion of radioactive material, such as in a terrorist attack |
GB0426355D0 (en) * | 2004-12-01 | 2005-01-05 | British Nuclear Fuels Plc | Improvements in and relating to monitoring of items |
US8074487B2 (en) | 2009-03-05 | 2011-12-13 | Durridge Company Inc. | Method of calibrating an apparatus for measuring radon and/or its progeny in an air sample |
US10031060B2 (en) | 2016-07-13 | 2018-07-24 | Mauro & Associates, Llc | Continuous, real time monitor for airborne depleted uranium particles in the respiratory range and corresponding method of use |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3222562A (en) * | 1961-12-29 | 1965-12-07 | Willard H Bennett | Ion probe for measuring interplanetary medium |
DE2835470C3 (de) * | 1978-08-12 | 1981-07-16 | Frieseke & Hoepfner Gmbh, 8520 Erlangen | Verfahren und Einrichtung zum Messen von alphastrahlenden Kontaminationen an einer Person durch Messen der lonisation eines strömendem Meßgases |
US4859854A (en) * | 1987-04-16 | 1989-08-22 | Femto-Tech, Inc. | Open grid pulsed ion chamber operating in the linear ion collection region |
US5053624A (en) * | 1990-07-18 | 1991-10-01 | Stanley Kronenberg | Radon control system |
US5059803A (en) * | 1990-07-19 | 1991-10-22 | The United States Of America As Represented By The Secretary Of The Army | Rugged alpha particle counter |
US5194734A (en) * | 1991-05-30 | 1993-03-16 | Varo Inc. | Apparatus and method for indicating a contour of a surface relative to a vehicle |
US5187370A (en) * | 1991-11-27 | 1993-02-16 | University Of California | Alternating current long range alpha particle detector |
-
1995
- 1995-02-27 US US08/395,934 patent/US5514872A/en not_active Expired - Lifetime
-
1996
- 1996-02-26 CA CA002213527A patent/CA2213527C/en not_active Expired - Fee Related
- 1996-02-26 JP JP52630996A patent/JP3408543B2/ja not_active Expired - Fee Related
- 1996-02-26 AU AU51330/96A patent/AU5133096A/en not_active Abandoned
- 1996-02-26 WO PCT/US1996/002274 patent/WO1996027140A1/en active IP Right Grant
- 1996-02-26 EP EP96907882A patent/EP0826155B1/de not_active Expired - Lifetime
- 1996-02-26 DE DE69625194T patent/DE69625194T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0826155B1 (de) | 2002-12-04 |
EP0826155A1 (de) | 1998-03-04 |
DE69625194D1 (de) | 2003-01-16 |
CA2213527C (en) | 2007-02-13 |
CA2213527A1 (en) | 1996-09-06 |
EP0826155A4 (de) | 1998-05-20 |
JPH11501121A (ja) | 1999-01-26 |
WO1996027140A1 (en) | 1996-09-06 |
AU5133096A (en) | 1996-09-18 |
US5514872A (en) | 1996-05-07 |
JP3408543B2 (ja) | 2003-05-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |