FR864343A - Compounds releasing an active metal in vacuum tubes - Google Patents

Compounds releasing an active metal in vacuum tubes

Info

Publication number
FR864343A
FR864343A FR864343DA FR864343A FR 864343 A FR864343 A FR 864343A FR 864343D A FR864343D A FR 864343DA FR 864343 A FR864343 A FR 864343A
Authority
FR
France
Prior art keywords
active metal
vacuum tubes
compounds releasing
releasing
compounds
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
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR864343A publication Critical patent/FR864343A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
    • H01J7/183—Composition or manufacture of getters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/142—Solid thermionic cathodes characterised by the material with alkaline-earth metal oxides, or such oxides used in conjunction with reducing agents, as an emissive material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
  • Hybrid Cells (AREA)
FR864343D 1939-03-23 1940-03-23 Compounds releasing an active metal in vacuum tubes Expired FR864343A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US263629A US2208692A (en) 1939-03-23 1939-03-23 Active metal compound for vacuum tubes

Publications (1)

Publication Number Publication Date
FR864343A true FR864343A (en) 1941-04-24

Family

ID=23002570

Family Applications (1)

Application Number Title Priority Date Filing Date
FR864343D Expired FR864343A (en) 1939-03-23 1940-03-23 Compounds releasing an active metal in vacuum tubes

Country Status (3)

Country Link
US (1) US2208692A (en)
FR (1) FR864343A (en)
GB (1) GB539897A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2899257A (en) * 1959-08-11 Getter for electron discharge device
US2421984A (en) * 1944-04-25 1947-06-10 Rca Corp Material for gettering electron discharge devices
US2661336A (en) * 1948-11-17 1953-12-01 Rca Corp Getter material for electron discharge devices
US2965218A (en) * 1956-08-16 1960-12-20 Rand Dev Corp Getter

Also Published As

Publication number Publication date
US2208692A (en) 1940-07-23
GB539897A (en) 1941-09-29

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