CH325150A - Ionisationsmanometer mit kalter Kathode - Google Patents

Ionisationsmanometer mit kalter Kathode

Info

Publication number
CH325150A
CH325150A CH325150DA CH325150A CH 325150 A CH325150 A CH 325150A CH 325150D A CH325150D A CH 325150DA CH 325150 A CH325150 A CH 325150A
Authority
CH
Switzerland
Prior art keywords
cold cathode
ionization manometer
manometer
ionization
cathode
Prior art date
Application number
Other languages
German (de)
English (en)
Inventor
Wolff Otto Ing Dr
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of CH325150A publication Critical patent/CH325150A/de

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
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D7/00—Gas processing apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Radiation (AREA)
  • Measuring Fluid Pressure (AREA)
CH325150D 1953-09-24 1954-09-15 Ionisationsmanometer mit kalter Kathode CH325150A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE325150X 1953-09-24

Publications (1)

Publication Number Publication Date
CH325150A true CH325150A (de) 1957-10-31

Family

ID=6182610

Family Applications (1)

Application Number Title Priority Date Filing Date
CH325150D CH325150A (de) 1953-09-24 1954-09-15 Ionisationsmanometer mit kalter Kathode

Country Status (3)

Country Link
CH (1) CH325150A (OSRAM)
GB (1) GB754515A (OSRAM)
NL (2) NL98408C (OSRAM)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3070283A (en) * 1959-06-15 1962-12-25 Ultek Corp Vacuum pump
US3243649A (en) * 1962-08-14 1966-03-29 Gca Corp Hot filament ionization gauge
US3278786A (en) * 1963-07-16 1966-10-11 Gca Corp Magnetron type cold cathode ionization gauge having compression mounted cathode

Also Published As

Publication number Publication date
NL190943A (OSRAM)
NL98408C (OSRAM)
GB754515A (en) 1956-08-08

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