GB754515A - Improvements in or relating to ionisation manometers - Google Patents

Improvements in or relating to ionisation manometers

Info

Publication number
GB754515A
GB754515A GB27546/54A GB2754654A GB754515A GB 754515 A GB754515 A GB 754515A GB 27546/54 A GB27546/54 A GB 27546/54A GB 2754654 A GB2754654 A GB 2754654A GB 754515 A GB754515 A GB 754515A
Authority
GB
United Kingdom
Prior art keywords
cathode
wall
cylindrical
poles
interior
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
GB27546/54A
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB754515A publication Critical patent/GB754515A/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
    • 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)
  • Measuring Fluid Pressure (AREA)
  • Measurement Of Radiation (AREA)
GB27546/54A 1953-09-24 1954-09-23 Improvements in or relating to ionisation manometers Expired GB754515A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB754515A true GB754515A (en) 1956-08-08

Family

ID=6182610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27546/54A Expired GB754515A (en) 1953-09-24 1954-09-23 Improvements in or relating to ionisation manometers

Country Status (3)

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

Cited By (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

Cited By (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 (https=)
CH325150A (de) 1957-10-31
NL98408C (https=)

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