FR845287A - Process for producing alkaline earth metal vapors in closed discharge tubes with metal wall bulb - Google Patents

Process for producing alkaline earth metal vapors in closed discharge tubes with metal wall bulb

Info

Publication number
FR845287A
FR845287A FR845287DA FR845287A FR 845287 A FR845287 A FR 845287A FR 845287D A FR845287D A FR 845287DA FR 845287 A FR845287 A FR 845287A
Authority
FR
France
Prior art keywords
alkaline earth
discharge tubes
closed discharge
earth metal
producing alkaline
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.)
Ver Gluehlampen & Elek AG
Original Assignee
Ver Gluehlampen & Elek AG
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 Ver Gluehlampen & Elek AG filed Critical Ver Gluehlampen & Elek AG
Application granted granted Critical
Publication of FR845287A publication Critical patent/FR845287A/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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/38Exhausting, degassing, filling, or cleaning vessels
    • H01J9/395Filling vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR845287D 1937-11-15 1938-10-28 Process for producing alkaline earth metal vapors in closed discharge tubes with metal wall bulb Expired FR845287A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE510413X 1937-11-15

Publications (1)

Publication Number Publication Date
FR845287A true FR845287A (en) 1939-08-17

Family

ID=6547437

Family Applications (1)

Application Number Title Priority Date Filing Date
FR845287D Expired FR845287A (en) 1937-11-15 1938-10-28 Process for producing alkaline earth metal vapors in closed discharge tubes with metal wall bulb

Country Status (3)

Country Link
FR (1) FR845287A (en)
GB (1) GB510413A (en)
NL (1) NL53051C (en)

Also Published As

Publication number Publication date
GB510413A (en) 1939-08-01
NL53051C (en)

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