NL292484A - - Google Patents

Info

Publication number
NL292484A
NL292484A NL292484DA NL292484A NL 292484 A NL292484 A NL 292484A NL 292484D A NL292484D A NL 292484DA NL 292484 A NL292484 A NL 292484A
Authority
NL
Netherlands
Application number
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.)
Publication of NL292484A publication Critical patent/NL292484A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/94—Selection of substances for gas fillings; Means for obtaining or maintaining the desired pressure within the tube, e.g. by gettering
    • 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
    • H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
    • 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
    • H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
    • H01J41/14—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes
    • 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
    • H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
    • H01J41/14—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes
    • H01J41/16—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of thermionic cathodes using gettering substances
    • 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
    • H01J41/12—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps
    • H01J41/18—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes
    • H01J41/20—Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps with ionisation by means of cold cathodes using gettering substances
NL292484D 1962-05-09 NL292484A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES79366A DE1298648B (de) 1962-05-09 1962-05-09 Laufzeitroehre mit koaxial um den Elektronenstrahl angeordneten Ionenfaengern

Publications (1)

Publication Number Publication Date
NL292484A true NL292484A (en:Method)

Family

ID=7508148

Family Applications (1)

Application Number Title Priority Date Filing Date
NL292484D NL292484A (en:Method) 1962-05-09

Country Status (5)

Country Link
US (1) US3299311A (en:Method)
CH (1) CH409156A (en:Method)
DE (1) DE1298648B (en:Method)
GB (1) GB1039884A (en:Method)
NL (1) NL292484A (en:Method)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1539135A1 (de) * 1965-06-30 1969-08-28 Siemens Ag Pumpanordnung mit Hilfskathode fuer elektrische Entladungsgefaesse
GB1165883A (en) * 1965-11-03 1969-10-01 Emi Ltd Improvements relating to Electron Discharge Devices, especially Klystrons
US3500097A (en) * 1967-03-06 1970-03-10 Dunlee Corp X-ray generator
US4397611A (en) * 1981-07-06 1983-08-09 The Perkin-Elmer Corp. Particle beam instrumentation ion pump
US10262845B2 (en) 2015-02-10 2019-04-16 Hamilton Sundstrand Corporation System and method for enhanced ion pump lifespan
US10665437B2 (en) * 2015-02-10 2020-05-26 Hamilton Sundstrand Corporation System and method for enhanced ion pump lifespan
GB2588462A (en) * 2019-10-25 2021-04-28 Spacetek Tech Ag Compact time-of-flight mass analyzer
CN113130277B (zh) * 2021-04-21 2024-02-13 中国科学院空天信息创新研究院 一种收集极组件、速调管永磁聚焦系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE462688A (en:Method) * 1944-03-11
US2767344A (en) * 1949-12-30 1956-10-16 Bell Telephone Labor Inc Electronic amplifier
US2692351A (en) * 1949-12-31 1954-10-19 Bell Telephone Labor Inc Electron beam amplifier
DE1026006B (de) * 1957-04-11 1958-03-13 Siemens Ag Strahlerzeugungssystem fuer elektrische Entladungsgefaesse, insbesondere Laufzeitroehren
GB888577A (en) * 1958-04-24 1962-01-31 Emi Ltd Improvements in or relating to electron discharge devices
US3073987A (en) * 1959-12-17 1963-01-15 Raytheon Co Electron discharge device with getter

Also Published As

Publication number Publication date
DE1298648B (de) 1969-07-03
US3299311A (en) 1967-01-17
CH409156A (de) 1966-03-15
GB1039884A (en) 1966-08-24

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