GB890920A - A magnetron device for the measurement of low pressures - Google Patents

A magnetron device for the measurement of low pressures

Info

Publication number
GB890920A
GB890920A GB1782459A GB1782459A GB890920A GB 890920 A GB890920 A GB 890920A GB 1782459 A GB1782459 A GB 1782459A GB 1782459 A GB1782459 A GB 1782459A GB 890920 A GB890920 A GB 890920A
Authority
GB
United Kingdom
Prior art keywords
cathode
anode
flanges
diameter
electrodes
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
GB1782459A
Other languages
English (en)
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.)
National Research Council of Canada
Original Assignee
National Research Council of Canada
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 National Research Council of Canada filed Critical National Research Council of Canada
Publication of GB890920A publication Critical patent/GB890920A/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
    • H01J41/06—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas with ionisation by means of cold cathodes

Landscapes

  • Measuring Fluid Pressure (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
GB1782459A 1958-06-11 1959-05-26 A magnetron device for the measurement of low pressures Expired GB890920A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74136758A 1958-06-11 1958-06-11

Publications (1)

Publication Number Publication Date
GB890920A true GB890920A (en) 1962-03-07

Family

ID=24980434

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1782459A Expired GB890920A (en) 1958-06-11 1959-05-26 A magnetron device for the measurement of low pressures

Country Status (4)

Country Link
CH (1) CH375800A (de)
DE (1) DE1159667B (de)
FR (1) FR1227040A (de)
GB (1) GB890920A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2203282A (en) * 1987-04-08 1988-10-12 Vacuum Interrupters Gas pressure measuring method and apparatus

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1246277B (de) * 1960-08-29 1967-08-03 Nat Res Council Magnetfeldroehre zur Vakuummessung mit zylindrischer Anode
DE1279381B (de) * 1960-08-29 1968-10-03 Nat Res Council Ottawa Magnetfeldroehre zur Messung niedriger Druecke
GB977431A (en) * 1961-05-22 1964-12-09 Varian Associates Cold cathode ionization gauge

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE814628C (de) * 1949-03-29 1951-09-24 Philips Nv Verfahren und Vorrichtung zum Auffinden von Undichtigkeiten in Vakuumgefaessen
DE861329C (de) * 1951-04-10 1952-12-29 Telefunken Gmbh Ionisationsmanometer
NL92807C (de) * 1953-06-15
NL189032B (nl) * 1954-07-07 Hougen Everett D Booreenheid voorzien van een elektromagnetische voet.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2203282A (en) * 1987-04-08 1988-10-12 Vacuum Interrupters Gas pressure measuring method and apparatus

Also Published As

Publication number Publication date
CH375800A (de) 1964-03-15
FR1227040A (fr) 1960-08-18
DE1159667B (de) 1963-12-19

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