JPS622257B2 - - Google Patents

Info

Publication number
JPS622257B2
JPS622257B2 JP57033906A JP3390682A JPS622257B2 JP S622257 B2 JPS622257 B2 JP S622257B2 JP 57033906 A JP57033906 A JP 57033906A JP 3390682 A JP3390682 A JP 3390682A JP S622257 B2 JPS622257 B2 JP S622257B2
Authority
JP
Japan
Prior art keywords
hydrogen
ion pump
pumping speed
equilibrium pressure
water leakage
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
Application number
JP57033906A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58151541A (ja
Inventor
Nobuyuki Isogai
Tatsuo Hamada
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.)
Hitachi Ltd
Hitachi Industry and Control Solutions Co Ltd
Original Assignee
Hitachi Engineering Co Ltd
Hitachi Ltd
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 Hitachi Engineering Co Ltd, Hitachi Ltd filed Critical Hitachi Engineering Co Ltd
Priority to JP57033906A priority Critical patent/JPS58151541A/ja
Publication of JPS58151541A publication Critical patent/JPS58151541A/ja
Publication of JPS622257B2 publication Critical patent/JPS622257B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps

Landscapes

  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
JP57033906A 1982-03-05 1982-03-05 水漏洩検出装置 Granted JPS58151541A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57033906A JPS58151541A (ja) 1982-03-05 1982-03-05 水漏洩検出装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57033906A JPS58151541A (ja) 1982-03-05 1982-03-05 水漏洩検出装置

Publications (2)

Publication Number Publication Date
JPS58151541A JPS58151541A (ja) 1983-09-08
JPS622257B2 true JPS622257B2 (enrdf_load_stackoverflow) 1987-01-19

Family

ID=12399553

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57033906A Granted JPS58151541A (ja) 1982-03-05 1982-03-05 水漏洩検出装置

Country Status (1)

Country Link
JP (1) JPS58151541A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS58151541A (ja) 1983-09-08

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