FR1082853A - Filament cathodique à oxyde rapporté et son procédé d'obtention, et tube de décharge électrique, en particulier lampe radio miniature, comportant un tel filament - Google Patents

Filament cathodique à oxyde rapporté et son procédé d'obtention, et tube de décharge électrique, en particulier lampe radio miniature, comportant un tel filament

Info

Publication number
FR1082853A
FR1082853A FR1082853DA FR1082853A FR 1082853 A FR1082853 A FR 1082853A FR 1082853D A FR1082853D A FR 1082853DA FR 1082853 A FR1082853 A FR 1082853A
Authority
FR
France
Prior art keywords
filament
obtaining
discharge tube
electric discharge
oxide cathode
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
Other languages
English (en)
French (fr)
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.)
Egyesuelt Izzolampa es Villamossagi Rt
Original Assignee
Egyesuelt Izzolampa es Villamossagi Rt
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 Egyesuelt Izzolampa es Villamossagi Rt filed Critical Egyesuelt Izzolampa es Villamossagi Rt
Application granted granted Critical
Publication of FR1082853A publication Critical patent/FR1082853A/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
    • C25F3/00—Electrolytic etching or polishing
    • C25F3/16—Polishing
    • C25F3/22—Polishing of heavy metals
    • C25F3/26—Polishing of heavy metals of refractory metals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
FR1082853D 1952-05-31 1953-05-30 Filament cathodique à oxyde rapporté et son procédé d'obtention, et tube de décharge électrique, en particulier lampe radio miniature, comportant un tel filament Expired FR1082853A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU320550X 1952-05-31

Publications (1)

Publication Number Publication Date
FR1082853A true FR1082853A (fr) 1955-01-03

Family

ID=10978768

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1082853D Expired FR1082853A (fr) 1952-05-31 1953-05-30 Filament cathodique à oxyde rapporté et son procédé d'obtention, et tube de décharge électrique, en particulier lampe radio miniature, comportant un tel filament

Country Status (4)

Country Link
CH (1) CH320550A (env)
DE (1) DE1013012B (env)
FR (1) FR1082853A (env)
NL (1) NL86745C (env)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE735369C (de) * 1938-02-18 1943-05-13 Ladislaus Von Kramolin Durch Dispersion mit Hilfe von Ultraschallschwingungen hergestellte Oxyd-Kathode
NL69925C (env) * 1940-10-22 1900-01-01
US2308389A (en) * 1941-11-22 1943-01-12 Rca Corp Oxide coated cathode

Also Published As

Publication number Publication date
NL86745C (env)
CH320550A (de) 1957-03-31
DE1013012B (de) 1957-08-01

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