GB1360662A - Electric discharge tube including an electrode comprising a metal tube in the wall of which slots extend in the axial direction of the tube - Google Patents

Electric discharge tube including an electrode comprising a metal tube in the wall of which slots extend in the axial direction of the tube

Info

Publication number
GB1360662A
GB1360662A GB5360371A GB5360371A GB1360662A GB 1360662 A GB1360662 A GB 1360662A GB 5360371 A GB5360371 A GB 5360371A GB 5360371 A GB5360371 A GB 5360371A GB 1360662 A GB1360662 A GB 1360662A
Authority
GB
United Kingdom
Prior art keywords
tube
electrode
slots
strips
wall
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
GB5360371A
Other languages
English (en)
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 Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1360662A publication Critical patent/GB1360662A/en
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

  • Microwave Tubes (AREA)
  • Spark Plugs (AREA)
  • Discharge Lamp (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Electron Sources, Ion Sources (AREA)
GB5360371A 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 Expired GB1360662A (en)

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 (1)

Publication Number Publication Date
GB1360662A true GB1360662A (en) 1974-07-17

Family

ID=5788772

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5360371A Expired 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

Country Status (4)

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

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
FR2115906A5 (https=) 1972-07-07
US3758810A (en) 1973-09-11
DE2057331A1 (de) 1972-05-31
DE2057331C3 (de) 1974-08-08
DE2057331B2 (de) 1974-01-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee