NL55631C - - Google Patents

Info

Publication number
NL55631C
NL55631C NL55631DA NL55631C NL 55631 C NL55631 C NL 55631C NL 55631D A NL55631D A NL 55631DA NL 55631 C NL55631 C NL 55631C
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 NL55631C publication Critical patent/NL55631C/xx

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
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/30—Non-electron-emitting electrodes; Screens characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/002—Chemical composition and manufacture chemical

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
NL55631D 1937-11-27 NL55631C (en)van)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE846281X 1937-11-27

Publications (1)

Publication Number Publication Date
NL55631C true NL55631C (en)van)

Family

ID=6775029

Family Applications (1)

Application Number Title Priority Date Filing Date
NL55631D NL55631C (en)van) 1937-11-27

Country Status (2)

Country Link
FR (1) FR846281A (en)van)
NL (1) NL55631C (en)van)

Also Published As

Publication number Publication date
FR846281A (fr) 1939-09-13

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