GB474179A - Indirectly heated high-voltage cathodes for electric discharge devices - Google Patents

Indirectly heated high-voltage cathodes for electric discharge devices

Info

Publication number
GB474179A
GB474179A GB26774/36A GB2677436A GB474179A GB 474179 A GB474179 A GB 474179A GB 26774/36 A GB26774/36 A GB 26774/36A GB 2677436 A GB2677436 A GB 2677436A GB 474179 A GB474179 A GB 474179A
Authority
GB
United Kingdom
Prior art keywords
electric discharge
discharge devices
layer
indirectly heated
heated high
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
GB26774/36A
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.)
Loewe Opta GmbH
Original Assignee
Loewe Opta 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 Loewe Opta GmbH filed Critical Loewe Opta GmbH
Publication of GB474179A publication Critical patent/GB474179A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00Details 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
    • H01J1/02Main electrodes
    • H01J1/13Solid thermionic cathodes
    • H01J1/20Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment

Landscapes

  • Solid Thermionic Cathode (AREA)
  • Furnace Details (AREA)
  • Resistance Heating (AREA)
GB26774/36A 1935-10-02 1936-10-02 Indirectly heated high-voltage cathodes for electric discharge devices Expired GB474179A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER94368D DE724812C (de) 1935-10-02 1935-10-02 Heizelement fuer indirekt geheizte Hochvoltkathoden

Publications (1)

Publication Number Publication Date
GB474179A true GB474179A (en) 1937-10-27

Family

ID=7419148

Family Applications (1)

Application Number Title Priority Date Filing Date
GB26774/36A Expired GB474179A (en) 1935-10-02 1936-10-02 Indirectly heated high-voltage cathodes for electric discharge devices

Country Status (5)

Country Link
US (1) US2083196A (enrdf_load_stackoverflow)
DE (1) DE724812C (enrdf_load_stackoverflow)
FR (1) FR811528A (enrdf_load_stackoverflow)
GB (1) GB474179A (enrdf_load_stackoverflow)
NL (1) NL47731C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110218987A (zh) * 2019-07-24 2019-09-10 合肥百思新材料研究院有限公司 一种冷壁法cvd沉积设备及其工作方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2528425A (en) * 1950-10-31 Electron tube cathode heater
US2563573A (en) * 1951-08-07 Hot cathode electron tube which re
US2817605A (en) * 1947-03-24 1957-12-24 Manuel C Sanz Method for sealing the pores in a carbon body
GB962926A (en) * 1962-03-19 1964-07-08 Rank Bush Murphy Ltd Improvements in thermionic cathodes and in methods of manufacturing such cathodes
GB1204316A (en) * 1966-09-26 1970-09-03 Atomic Energy Authority Uk Improvements in or relating to electron emitting cathodes for irradiation machines
US3534218A (en) * 1967-03-30 1970-10-13 Atomic Energy Authority Uk Electron emitting cathodes for irradiation machines
DE102021122398A1 (de) * 2021-08-30 2023-03-02 elobau GmbH & Co.KG Joystick mit multifunktionalem Trägerelement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110218987A (zh) * 2019-07-24 2019-09-10 合肥百思新材料研究院有限公司 一种冷壁法cvd沉积设备及其工作方法

Also Published As

Publication number Publication date
FR811528A (fr) 1937-04-16
NL47731C (enrdf_load_stackoverflow) 1940-02-15
US2083196A (en) 1937-06-08
DE724812C (de) 1942-09-05

Similar Documents

Publication Publication Date Title
GB474179A (en) Indirectly heated high-voltage cathodes for electric discharge devices
GB259900A (en) Improved method of and means for producing galvanic chromium coatings on hollow bodies, especially on narrow tubes
GB762565A (en) Improvements in or relating to delay lines for travelling-wave tubes
GB477462A (en) Improvements in or relating to metallic electric conductors sealed through quartz
GB230183A (en) Improvements in or relating to x-ray tubes
GB450035A (en) Improvements in electrodes for high-pressure metallic vapour electric discharge tubes
GB466188A (en) Improvements in or relating to pre-concentrators of cathode ray tubes
GB379334A (en) Indirectly heated thermionic cathode
GB236615A (en) Improvements in cathodes for vacuum electric devices
DE725649C (de) Anordnung zur gleichmaessigen kathodischen Oxydation mit Glimmentladung vollkommen isolierter, z. B. als Photokathode in Fernsehsenderoehren wirkender Metallschichten
GB417643A (en) Improvements in anodic incandescent lamps
GB372152A (en) Improvements in or relating to indirectly heated cathodes for electric discharge tubes
GB364583A (en) Improvements in or relating to the cathodes of vacuum tubes
GB792589A (en) Method of manufacturing seamless metal tubing
DE655754C (de) Verfahren zur Herstellung einer schwarz strahlenden Oberflaeche einer mit Chrom ueberdeckten Elektrode fuer elektrische Entladungsgefaesse
GB488209A (en) Improvements in electric arc-discharge devices
GB239861A (en) Improvements in or relating to metallic mirrors within electroionic discharge tubes
GB414550A (en) Improvements in or relating to leading-in insulators for metal vapour rectifiers
GB319206A (en) Improvements in or relating to electric discharge tubes
GB347127A (enrdf_load_stackoverflow)
GB315387A (en) Improvements in or relating to luminous electric discharge tubes
GB462779A (en) Improvements in and relating to thermionic discharge devices
GB367792A (en) Improvements in and relating to methods of introducing barium into electrical discharge receptacles
GB881797A (en) Improvements in grids for electron tubes
GB256975A (en) Process of making vacuum tubes