FR858936A - Layer with high secondary emission power - Google Patents

Layer with high secondary emission power

Info

Publication number
FR858936A
FR858936A FR858936DA FR858936A FR 858936 A FR858936 A FR 858936A FR 858936D A FR858936D A FR 858936DA FR 858936 A FR858936 A FR 858936A
Authority
FR
France
Prior art keywords
layer
emission power
secondary emission
high secondary
power
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.)
Fides BV
Original Assignee
Fides BV
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 Fides BV filed Critical Fides BV
Application granted granted Critical
Publication of FR858936A publication Critical patent/FR858936A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus 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
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/12—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes
    • H01J9/125—Manufacture of electrodes or electrode systems of photo-emissive cathodes; of secondary-emission electrodes of secondary emission electrodes
    • 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
    • H01J1/32—Secondary-electron-emitting electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/32—Secondary emission electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physical Vapour Deposition (AREA)
FR858936D 1938-08-17 1939-08-10 Layer with high secondary emission power Expired FR858936A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE750000T 1938-08-17

Publications (1)

Publication Number Publication Date
FR858936A true FR858936A (en) 1940-12-06

Family

ID=6789965

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858936D Expired FR858936A (en) 1938-08-17 1939-08-10 Layer with high secondary emission power

Country Status (3)

Country Link
DE (1) DE750000C (en)
FR (1) FR858936A (en)
NL (1) NL60018C (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE617353C (en) * 1924-08-23 1935-08-17 Lorenz Akt Ges C Grid for electron tubes
US2141322A (en) * 1935-06-25 1938-12-27 Rca Corp Cascaded secondary electron emitter amplifier
NL47272C (en) * 1935-09-06

Also Published As

Publication number Publication date
DE750000C (en) 1944-12-12
NL60018C (en) 1947-05-16

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