FR1505956A - Canon électronique pour tubes électroniques - Google Patents

Canon électronique pour tubes électroniques

Info

Publication number
FR1505956A
FR1505956A FR88469A FR88469A FR1505956A FR 1505956 A FR1505956 A FR 1505956A FR 88469 A FR88469 A FR 88469A FR 88469 A FR88469 A FR 88469A FR 1505956 A FR1505956 A FR 1505956A
Authority
FR
France
Prior art keywords
electron tubes
electronic cannon
cannon
electronic
tubes
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
FR88469A
Other languages
English (en)
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of FR1505956A publication Critical patent/FR1505956A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
    • H01J1/28—Dispenser-type cathodes, e.g. L-cathode
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/024—Electron guns using thermionic emission of cathode heated by electron or ion bombardment or by irradiation by other energetic beams, e.g. by laser

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Solid Thermionic Cathode (AREA)
  • Microwave Tubes (AREA)
FR88469A 1965-12-23 1966-12-22 Canon électronique pour tubes électroniques Expired FR1505956A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0101141 1965-12-23

Publications (1)

Publication Number Publication Date
FR1505956A true FR1505956A (fr) 1967-12-15

Family

ID=7523548

Family Applications (1)

Application Number Title Priority Date Filing Date
FR88469A Expired FR1505956A (fr) 1965-12-23 1966-12-22 Canon électronique pour tubes électroniques

Country Status (5)

Country Link
US (1) US3474281A (de)
DE (1) DE1251876B (de)
FR (1) FR1505956A (de)
GB (1) GB1162108A (de)
NL (1) NL6615033A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590242A (en) * 1969-06-12 1971-06-29 Gen Electric Making fused thorium carbide-tungsten cathodes for electron guns
JPS5242591B2 (de) * 1972-12-08 1977-10-25
US4046666A (en) * 1976-05-07 1977-09-06 The United States Of America As Represented By The United States Energy Research And Development Administration Device for providing high-intensity ion or electron beam
US5575027A (en) * 1995-04-18 1996-11-19 Mueller; George B. Method of supporting a chest and abdomen and apparatus therefor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2843785A (en) * 1954-04-19 1958-07-15 Sylvania Electric Prod Thermal insulation for cathode
US2830917A (en) * 1954-06-07 1958-04-15 Bell Telephone Labor Inc Cathode for electron discharge devices
US2953701A (en) * 1957-09-05 1960-09-20 High Voltage Engineering Corp Sealed-off diode with electron emitting anode
US3159461A (en) * 1958-10-20 1964-12-01 Bell Telephone Labor Inc Thermionic cathode
US3070724A (en) * 1960-05-23 1962-12-25 Sylvania Electric Prod Electron discharge device
US3348092A (en) * 1965-01-04 1967-10-17 Gen Electric Electron discharge device having a barium dispensing anode structure

Also Published As

Publication number Publication date
NL6615033A (de) 1967-06-26
GB1162108A (en) 1969-08-20
US3474281A (en) 1969-10-21
DE1251876B (de)

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