DE2057331C3 - Elektrode für eine Elektronenröhre - Google Patents

Elektrode für eine Elektronenröhre

Info

Publication number
DE2057331C3
DE2057331C3 DE2057331A DE2057331A DE2057331C3 DE 2057331 C3 DE2057331 C3 DE 2057331C3 DE 2057331 A DE2057331 A DE 2057331A DE 2057331 A DE2057331 A DE 2057331A DE 2057331 C3 DE2057331 C3 DE 2057331C3
Authority
DE
Germany
Prior art keywords
incisions
bars
face
electrode
rods
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
DE2057331A
Other languages
German (de)
English (en)
Other versions
DE2057331B2 (de
DE2057331A1 (de
Inventor
Horst Dipl.-Phys. 2000 Hamburg Seifert
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.)
Philips Intellectual Property and Standards GmbH
Original Assignee
Philips Patentverwaltung GmbH
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 Philips Patentverwaltung GmbH filed Critical Philips Patentverwaltung GmbH
Priority to DE2057331A priority Critical patent/DE2057331C3/de
Priority to US00199882A priority patent/US3758810A/en
Priority to GB5360371A priority patent/GB1360662A/en
Priority to FR7141686A priority patent/FR2115906A5/fr
Publication of DE2057331A1 publication Critical patent/DE2057331A1/de
Publication of DE2057331B2 publication Critical patent/DE2057331B2/de
Application granted granted Critical
Publication of DE2057331C3 publication Critical patent/DE2057331C3/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H01J19/38—Control electrodes, e.g. grid
    • 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
    • H01J2893/0015—Non-sealed electrodes
    • H01J2893/0017—Cylindrical, helical or annular grids
    • 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
    • H01J2893/0022—Manufacture

Landscapes

  • Discharge Lamp (AREA)
  • Electron Sources, Ion Sources (AREA)
  • Spark Plugs (AREA)
  • Microwave Tubes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
DE2057331A 1970-11-21 1970-11-21 Elektrode für eine Elektronenröhre Expired DE2057331C3 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE2057331A DE2057331C3 (de) 1970-11-21 1970-11-21 Elektrode für eine Elektronenröhre
US00199882A US3758810A (en) 1970-11-21 1971-11-18 Electric discharge tube comprising a rod grid
GB5360371A GB1360662A (en) 1970-11-21 1971-11-18 Electric discharge tube including an electrode comprising a metal tube in the wall of which slots extend in the axial direction of the tube
FR7141686A FR2115906A5 (Direct) 1970-11-21 1971-11-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2057331A DE2057331C3 (de) 1970-11-21 1970-11-21 Elektrode für eine Elektronenröhre

Publications (3)

Publication Number Publication Date
DE2057331A1 DE2057331A1 (de) 1972-05-31
DE2057331B2 DE2057331B2 (de) 1974-01-10
DE2057331C3 true DE2057331C3 (de) 1974-08-08

Family

ID=5788772

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2057331A Expired DE2057331C3 (de) 1970-11-21 1970-11-21 Elektrode für eine Elektronenröhre

Country Status (4)

Country Link
US (1) US3758810A (Direct)
DE (1) DE2057331C3 (Direct)
FR (1) FR2115906A5 (Direct)
GB (1) GB1360662A (Direct)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE520901C2 (sv) * 2001-11-30 2003-09-09 Bact System Ab Emissionselektrod

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1696103A (en) * 1921-08-26 1928-12-18 Seibt Georg Electric discharge tube
US2157595A (en) * 1937-02-25 1939-05-09 John F Cudney Thermionic vacuum tube
US2980984A (en) * 1957-08-19 1961-04-25 Rca Corp Art of fabricating electron tubes
US3146515A (en) * 1962-10-16 1964-09-01 Rca Corp Method of making an electron tube

Also Published As

Publication number Publication date
GB1360662A (en) 1974-07-17
FR2115906A5 (Direct) 1972-07-07
DE2057331B2 (de) 1974-01-10
DE2057331A1 (de) 1972-05-31
US3758810A (en) 1973-09-11

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee