CH375800A - Magnetron, especially for measuring very low gas pressures - Google Patents

Magnetron, especially for measuring very low gas pressures

Info

Publication number
CH375800A
CH375800A CH7426459A CH7426459A CH375800A CH 375800 A CH375800 A CH 375800A CH 7426459 A CH7426459 A CH 7426459A CH 7426459 A CH7426459 A CH 7426459A CH 375800 A CH375800 A CH 375800A
Authority
CH
Switzerland
Prior art keywords
magnetron
measuring
low gas
gas pressures
pressures
Prior art date
Application number
CH7426459A
Other languages
German (de)
Inventor
Aveling Redhead Paul
Original Assignee
Nat Research Council
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 Nat Research Council filed Critical Nat Research Council
Publication of CH375800A publication Critical patent/CH375800A/en

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
CH7426459A 1958-06-11 1959-06-10 Magnetron, especially for measuring very low gas pressures CH375800A (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
CH375800A true CH375800A (en) 1964-03-15

Family

ID=24980434

Family Applications (1)

Application Number Title Priority Date Filing Date
CH7426459A CH375800A (en) 1958-06-11 1959-06-10 Magnetron, especially for measuring very low gas pressures

Country Status (4)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1246277B (en) * 1960-08-29 1967-08-03 Nat Res Council Magnetic field tube for vacuum measurement with cylindrical anode
DE1279381B (en) * 1960-08-29 1968-10-03 Nat Res Council Ottawa Magnetic field tubes for measuring low pressures
GB977431A (en) * 1961-05-22 1964-12-09 Varian Associates Cold cathode ionization gauge
GB8708354D0 (en) * 1987-04-08 1987-05-13 Vacuum Interrupters Ltd Pressure measuring method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE814628C (en) * 1949-03-29 1951-09-24 Philips Nv Method and device for finding leaks in vacuum vessels
DE861329C (en) * 1951-04-10 1952-12-29 Telefunken Gmbh Ionization manometer
NL92807C (en) * 1953-06-15
NL189032B (en) * 1954-07-07 Hougen Everett D DRILL UNIT EQUIPPED WITH AN ELECTROMAGNETIC FOOT.

Also Published As

Publication number Publication date
FR1227040A (en) 1960-08-18
GB890920A (en) 1962-03-07
DE1159667B (en) 1963-12-19

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