GB1039780A - Cathode structure - Google Patents

Cathode structure

Info

Publication number
GB1039780A
GB1039780A GB52439/64A GB5243964A GB1039780A GB 1039780 A GB1039780 A GB 1039780A GB 52439/64 A GB52439/64 A GB 52439/64A GB 5243964 A GB5243964 A GB 5243964A GB 1039780 A GB1039780 A GB 1039780A
Authority
GB
United Kingdom
Prior art keywords
heating element
cathode
sapphire
infra
plate
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
GB52439/64A
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.)
Raytheon Co
Original Assignee
Raytheon Co
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 Raytheon Co filed Critical Raytheon Co
Publication of GB1039780A publication Critical patent/GB1039780A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H01J3/027—Construction of the gun or parts thereof
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/06—Electron or ion guns

Landscapes

  • Resistance Heating (AREA)
GB52439/64A 1964-05-21 1964-12-24 Cathode structure Expired GB1039780A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36918464A 1964-05-21 1964-05-21

Publications (1)

Publication Number Publication Date
GB1039780A true GB1039780A (en) 1966-08-24

Family

ID=23454452

Family Applications (1)

Application Number Title Priority Date Filing Date
GB52439/64A Expired GB1039780A (en) 1964-05-21 1964-12-24 Cathode structure

Country Status (6)

Country Link
BE (1) BE658127A (es)
CH (1) CH429954A (es)
DE (1) DE1514340B1 (es)
GB (1) GB1039780A (es)
NL (1) NL6502036A (es)
SE (1) SE314746B (es)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268325A (en) * 1992-07-01 1994-01-05 Thorn Emi Electronics Ltd Thermionic cathode structure.
WO2005124829A2 (en) * 2004-06-14 2005-12-29 Watlow Electric Manufacturing Company In-line heater for use in semiconductor wet chemical processing and method of manufacturing the same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL102264C (es) * 1958-07-17

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268325A (en) * 1992-07-01 1994-01-05 Thorn Emi Electronics Ltd Thermionic cathode structure.
GB2268325B (en) * 1992-07-01 1996-01-03 Thorn Emi Electronics Ltd Thermionic cathode structure
WO2005124829A2 (en) * 2004-06-14 2005-12-29 Watlow Electric Manufacturing Company In-line heater for use in semiconductor wet chemical processing and method of manufacturing the same
WO2005124829A3 (en) * 2004-06-14 2006-05-18 Watlow Electric Mfg In-line heater for use in semiconductor wet chemical processing and method of manufacturing the same
US7164104B2 (en) 2004-06-14 2007-01-16 Watlow Electric Manufacturing Company In-line heater for use in semiconductor wet chemical processing and method of manufacturing the same

Also Published As

Publication number Publication date
DE1514340B1 (de) 1969-09-11
BE658127A (es) 1965-04-30
NL6502036A (es) 1965-11-22
SE314746B (es) 1969-09-15
CH429954A (de) 1967-02-15

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