BE474312A - - Google Patents

Info

Publication number
BE474312A
BE474312A BE474312DA BE474312A BE 474312 A BE474312 A BE 474312A BE 474312D A BE474312D A BE 474312DA BE 474312 A BE474312 A BE 474312A
Authority
BE
Belgium
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 BE474312A publication Critical patent/BE474312A/xx

Links

Classifications

    • 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
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/12Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
    • H01J9/125Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00Electrodes common to discharge tubes
    • H01J2201/32Secondary emission electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Gas-Filled Discharge Tubes (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Cold Cathode And The Manufacture (AREA)
BE474312D 1946-04-06 BE474312A (en:Method)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US660106A US2586771A (en) 1946-04-06 1946-04-06 Process for making secondary emission electrodes

Publications (1)

Publication Number Publication Date
BE474312A true BE474312A (en:Method)

Family

ID=24648164

Family Applications (1)

Application Number Title Priority Date Filing Date
BE474312D BE474312A (en:Method) 1946-04-06

Country Status (4)

Country Link
US (1) US2586771A (en:Method)
BE (1) BE474312A (en:Method)
ES (1) ES178875A1 (en:Method)
FR (1) FR956472A (en:Method)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL94756C (en:Method) * 1952-05-01
US3713901A (en) * 1970-04-20 1973-01-30 Trw Inc Oxidation resistant refractory alloys
US4978885A (en) * 1989-03-02 1990-12-18 Galileo Electro-Optics Corporation Electron multipliers with reduced ion feedback
US6239549B1 (en) 1998-01-09 2001-05-29 Burle Technologies, Inc. Electron multiplier electron source and ionization source using it

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2237242A (en) * 1938-01-05 1941-04-01 Univ Illinois Phototube
FR845087A (fr) * 1938-04-22 1939-08-10 Radio Electr Soc Fr Cathodes à forte émission secondaire d'électrons
FR862488A (fr) * 1939-08-29 1941-03-07 Materiel Telephonique électrodes à émission électronique
GB559591A (en) * 1942-07-17 1944-02-25 Int Standard Electric Corp Improvements relating to secondary electron emissive electrodes

Also Published As

Publication number Publication date
US2586771A (en) 1952-02-26
ES178875A1 (es) 1947-09-16
FR956472A (en:Method) 1950-02-02

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