GB906157A - Improvements in or relating to electrometer or ionisation manometer tubes - Google Patents

Improvements in or relating to electrometer or ionisation manometer tubes

Info

Publication number
GB906157A
GB906157A GB323159A GB323159A GB906157A GB 906157 A GB906157 A GB 906157A GB 323159 A GB323159 A GB 323159A GB 323159 A GB323159 A GB 323159A GB 906157 A GB906157 A GB 906157A
Authority
GB
United Kingdom
Prior art keywords
electrometer
relating
manometer tubes
ionisation
electrode
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
GB323159A
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.)
Vakutronik VEB
Original Assignee
Vakutronik VEB
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 Vakutronik VEB filed Critical Vakutronik VEB
Publication of GB906157A publication Critical patent/GB906157A/en
Expired 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
    • H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
    • H01J41/04—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of thermionic cathodes

Landscapes

  • Measuring Fluid Pressure (AREA)

Abstract

906,157. Electrode materials. VAKUTRONIK VEB. Jan. 29, 1959 [Sept. 4, 1958], No. 3231/59. Class 39 (1). An electron-receiving electrode of an electrometer or ionization manometer tube is made of or at least partially covered with carbon, in order to reduce emission of X-ray deceleration radiation therefrom which might otherwise cause electron emission from the control electrode of the tube.
GB323159A 1958-09-04 1959-01-29 Improvements in or relating to electrometer or ionisation manometer tubes Expired GB906157A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEV0014991 1958-09-04

Publications (1)

Publication Number Publication Date
GB906157A true GB906157A (en) 1962-09-19

Family

ID=7574819

Family Applications (1)

Application Number Title Priority Date Filing Date
GB323159A Expired GB906157A (en) 1958-09-04 1959-01-29 Improvements in or relating to electrometer or ionisation manometer tubes

Country Status (1)

Country Link
GB (1) GB906157A (en)

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