NL254372A - - Google Patents

Info

Publication number
NL254372A
NL254372A NL254372DA NL254372A NL 254372 A NL254372 A NL 254372A NL 254372D A NL254372D A NL 254372DA NL 254372 A NL254372 A NL 254372A
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 NL254372A publication Critical patent/NL254372A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • 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
    • H01J23/04—Cathodes
    • 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
    • H01J23/06—Electron or ion guns
    • H01J23/065—Electron or ion guns producing a solid cylindrical beam
    • 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
    • H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
    • H01J23/087—Magnetic focusing arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/029—Schematic arrangements for beam forming

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Heat Treatment Of Articles (AREA)
NL254372D 1930-07-02 NL254372A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2010530A GB353222A (en) 1930-07-02 1930-07-02 Improved manufacture of spring blades or leaves for laminated springs

Publications (1)

Publication Number Publication Date
NL254372A true NL254372A (xx)

Family

ID=10140458

Family Applications (1)

Application Number Title Priority Date Filing Date
NL254372D NL254372A (xx) 1930-07-02

Country Status (3)

Country Link
DE (1) DE1144405B (xx)
GB (1) GB353222A (xx)
NL (1) NL254372A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522469A (en) * 1968-04-12 1970-08-04 Varian Associates Magnetic beam focusing structure for a traveling wave tube employing magnetic shunts between the pole pieces and the emitter
FR2641899A1 (fr) * 1989-01-17 1990-07-20 Thomson Tubes Electroniques Canon a electrons muni d'un dispositif actif produisant un champ magnetique au voisinage de la cathode

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT137264B (de) * 1933-04-14 1934-04-25 Lignose Hoerfilm System Breusi Einrichtung an Entladungsgefäßen mit einseitig gerichtetem Elektronenstrahl.
NL60887C (xx) * 1940-07-03
DE746498C (de) * 1940-11-30 1944-12-23 Direkt geheizte wendelfoermige Kathode fuer Kathodenstrahlroehren
BE443460A (xx) * 1940-11-30
GB739092A (en) * 1953-02-07 1955-10-26 Emi Ltd Improvements in or relating to magnetron valves

Also Published As

Publication number Publication date
GB353222A (en) 1931-07-23
DE1144405B (de) 1963-02-28

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