JPH01165484U - - Google Patents

Info

Publication number
JPH01165484U
JPH01165484U JP1988061961U JP6196188U JPH01165484U JP H01165484 U JPH01165484 U JP H01165484U JP 1988061961 U JP1988061961 U JP 1988061961U JP 6196188 U JP6196188 U JP 6196188U JP H01165484 U JPH01165484 U JP H01165484U
Authority
JP
Japan
Prior art keywords
positive electrode
electrode part
support tube
negative electrode
mesh
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
JP1988061961U
Other languages
English (en)
Other versions
JPH0528537Y2 (ja
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 filed Critical
Priority to JP1988061961U priority Critical patent/JPH0528537Y2/ja
Priority to US07/348,835 priority patent/US5029248A/en
Publication of JPH01165484U publication Critical patent/JPH01165484U/ja
Application granted granted Critical
Publication of JPH0528537Y2 publication Critical patent/JPH0528537Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
    • G01T5/00—Recording of movements or tracks of particles; Processing or analysis of such tracks
    • G01T5/10—Plates or blocks in which tracks of nuclear particles are made visible by after-treatment, e.g. using photographic emulsion, using mica
    • 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

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)

Description

【図面の簡単な説明】
第１図は本考案に係る静電捕集型ラドン測定装
置の一実施例を示す縦断正面図、第２図は従来の
静電捕集型ラドン測定装置を一部切欠いて示す正
面図、第３図及び第４図はそれぞれは第２図及び
第１図の装置における負電極部及び検出器を示す
縦断正面図、第５図及び第６図は従来装置及び第
１図に示す実施例装置における電力線の説明図、
第７図及び第８図は従来装置及び第１図に示す実
施例装置における検出器のエツチピツト密度を示
すグラフである。 １……支持台、２……支持筒、３……上部正電
極部、４……下部正電極部、５……負電極部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 支持台上に支持された円筒状の支持筒と、該支
    持筒の上端部から上凸に設けられた凸曲面を有す
    る網目状の上部正電極部と、前記支持筒上端部か
    ら下方へ下窄まり状に延び上端及び下端が開いた
    円錘台形状の下部正電極部と、前記下部正電極部
    の下端開口部近傍に上端部が位置する負電極部と
    、α線透過性導電性薄膜により覆われ該負電極部
    に載置された固体飛跡検出器と、前記支持台上に
    載置され前記支持筒、上部及び下部正電極部、負
    電極部、並びに固体飛跡検出器を囲むカバーであ
    つてラドン娘核種及びトロン娘核種を通過させな
    い空気流通用フイルタ部を有した該カバーとを備
    えていることを特徴とする静電捕集型ラドン測定
    装置。
JP1988061961U 1988-05-10 1988-05-10 Expired - Lifetime JPH0528537Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1988061961U JPH0528537Y2 (ja) 1988-05-10 1988-05-10
US07/348,835 US5029248A (en) 1988-05-10 1989-05-08 Electrostatic capture type radon measuring apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988061961U JPH0528537Y2 (ja) 1988-05-10 1988-05-10

Publications (2)

Publication Number Publication Date
JPH01165484U true JPH01165484U (ja) 1989-11-20
JPH0528537Y2 JPH0528537Y2 (ja) 1993-07-22

Family

ID=13186289

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988061961U Expired - Lifetime JPH0528537Y2 (ja) 1988-05-10 1988-05-10

Country Status (2)

Country Link
US (1) US5029248A (ja)
JP (1) JPH0528537Y2 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007529741A (ja) * 2004-03-17 2007-10-25 パク，ヨン−ウン 格納式半円形リング付αトラック検出器
JP2011509409A (ja) * 2008-01-10 2011-03-24 ピーイーアットマークアールエル ラドン検出器及び該検出器を備える連続検出装置

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5654899A (en) * 1993-10-04 1997-08-05 Leonard; Bobby E. Radiation instrument and method to measure radon and thoron concentration, air change rate and source emanation rate magnitudes
US5550381A (en) * 1994-11-01 1996-08-27 The Regents Of The University California Event counting alpha detector
GB2310076A (en) * 1996-02-06 1997-08-13 Univ Bristol Monitoring radioactive deacy products
US20040232345A1 (en) * 2003-03-31 2004-11-25 Pillalamarri Jagam Continuous monitoring radon detector
EP3871015A4 (en) * 2018-10-25 2022-06-22 National Research Council of Canada ELECTROSTATIC PRINTING FILM CONCENTRATOR FOR RADON DETECTION
CN109254314B (zh) * 2018-11-15 2022-06-21 衡阳师范学院 环形电极提高带正电的218Po收集效率的测量腔及方法
CN109307880B (zh) * 2018-11-15 2022-08-12 衡阳师范学院 多电极提高带正电的218Po收集效率的测量腔及方法
CN109254313B (zh) * 2018-11-15 2022-08-12 衡阳师范学院 多探测器提高带正电的218Po收集效率的测量腔及方法
CN109541666B (zh) * 2018-11-27 2023-09-05 衡阳师范学院 测量222Rn平均浓度时消除温湿度效应的装置及方法
CN109655858B (zh) * 2018-12-14 2022-08-12 衡阳师范学院 多电极提高氡析出率测量仪对218Po收集效率的测量腔及方法
CN109655859B (zh) * 2018-12-14 2022-08-12 衡阳师范学院 多探测器提高氡析出率测量仪对218Po收集效率的测量腔及方法
CN109655857B (zh) * 2018-12-14 2022-06-21 衡阳师范学院 环形电极提高氡析出率测量仪对218Po收集效率的测量腔及方法
US20240077389A1 (en) * 2022-09-01 2024-03-07 Durridge Company, Inc. Air sample chamber for an electrostatic precipitation detector system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665194A (en) * 1968-12-27 1972-05-23 Gen Electric Radon detection
US3638059A (en) * 1970-04-27 1972-01-25 Us Navy Extreme ultraviolet radiation photometers
US3916200A (en) * 1974-09-04 1975-10-28 Us Energy Window for radiation detectors and the like
DE2926491C2 (de) * 1979-06-30 1983-02-24 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Dosimeter zum Nachweis von Radon und/oder Thoron und deren Folgeprodukten
SE423157B (sv) * 1980-06-09 1982-04-13 Boliden Ab Forfarande och anordning for detektering av alfa-emetterande emnen
USRE33065E (en) * 1982-10-19 1989-09-19 Tech/Ops Landauer, Inc. Compact detector for radon and radon daughter products
US4633089A (en) * 1984-05-03 1986-12-30 Life Codes Corp. Hand held radiation detector
FI864055A7 (fi) * 1986-10-07 1988-04-08 Ilmasti Elektroniikka Oy Menetelmä ja laite ilman radon-pitoisuuden mittaamiseksi.
US4853536A (en) * 1986-12-01 1989-08-01 Rad Elec Inc. Ionization chamber for monitoring radioactive gas
US4778992A (en) * 1987-02-09 1988-10-18 Tech/Ops, Inc. Dosimeter for radon and radon daughter products

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007529741A (ja) * 2004-03-17 2007-10-25 パク，ヨン−ウン 格納式半円形リング付αトラック検出器
JP2011509409A (ja) * 2008-01-10 2011-03-24 ピーイーアットマークアールエル ラドン検出器及び該検出器を備える連続検出装置

Also Published As

Publication number Publication date
JPH0528537Y2 (ja) 1993-07-22
US5029248A (en) 1991-07-02

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