GB436527A - Improvements in or relating to the production of highly electro-positive metals within sealed vessels, such for example as thermionic valves - Google Patents

Improvements in or relating to the production of highly electro-positive metals within sealed vessels, such for example as thermionic valves

Info

Publication number
GB436527A
GB436527A GB1103934A GB1103934A GB436527A GB 436527 A GB436527 A GB 436527A GB 1103934 A GB1103934 A GB 1103934A GB 1103934 A GB1103934 A GB 1103934A GB 436527 A GB436527 A GB 436527A
Authority
GB
United Kingdom
Prior art keywords
heated
aluminium
oxides
carbonate
metal
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
GB1103934A
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.)
MO Valve Co Ltd
Original Assignee
MO Valve Co Ltd
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
Priority to BE408891D priority Critical patent/BE408891A/xx
Application filed by MO Valve Co Ltd filed Critical MO Valve Co Ltd
Priority to GB1103934A priority patent/GB436527A/en
Priority to FR788050D priority patent/FR788050A/fr
Publication of GB436527A publication Critical patent/GB436527A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18Means for absorbing or adsorbing gas, e.g. by gettering
    • H01J7/183Composition or manufacture of getters

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
GB1103934A 1934-04-12 1934-04-12 Improvements in or relating to the production of highly electro-positive metals within sealed vessels, such for example as thermionic valves Expired GB436527A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE408891D BE408891A (enrdf_load_stackoverflow) 1934-04-12
GB1103934A GB436527A (en) 1934-04-12 1934-04-12 Improvements in or relating to the production of highly electro-positive metals within sealed vessels, such for example as thermionic valves
FR788050D FR788050A (fr) 1934-04-12 1935-03-29 Matière capteuse pour tubes à vide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1103934A GB436527A (en) 1934-04-12 1934-04-12 Improvements in or relating to the production of highly electro-positive metals within sealed vessels, such for example as thermionic valves

Publications (1)

Publication Number Publication Date
GB436527A true GB436527A (en) 1935-10-14

Family

ID=9978905

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1103934A Expired GB436527A (en) 1934-04-12 1934-04-12 Improvements in or relating to the production of highly electro-positive metals within sealed vessels, such for example as thermionic valves

Country Status (3)

Country Link
BE (1) BE408891A (enrdf_load_stackoverflow)
FR (1) FR788050A (enrdf_load_stackoverflow)
GB (1) GB436527A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
BE408891A (enrdf_load_stackoverflow)
FR788050A (fr) 1935-10-02

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