GB810101A - Improvements in or relating to indirectly heated supply cathodes - Google Patents

Improvements in or relating to indirectly heated supply cathodes

Info

Publication number
GB810101A
GB810101A GB3471/56A GB347156A GB810101A GB 810101 A GB810101 A GB 810101A GB 3471/56 A GB3471/56 A GB 3471/56A GB 347156 A GB347156 A GB 347156A GB 810101 A GB810101 A GB 810101A
Authority
GB
United Kingdom
Prior art keywords
helix
emissive material
cathode
helices
surface migration
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
GB3471/56A
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.)
Egyesuelt Izzolampa es Villamossagi Rt
Original Assignee
Egyesuelt Izzolampa es Villamossagi Rt
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 Egyesuelt Izzolampa es Villamossagi Rt filed Critical Egyesuelt Izzolampa es Villamossagi Rt
Publication of GB810101A publication Critical patent/GB810101A/en
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

Landscapes

  • Solid Thermionic Cathode (AREA)
  • X-Ray Techniques (AREA)
GB3471/56A 1955-02-05 1956-02-03 Improvements in or relating to indirectly heated supply cathodes Expired GB810101A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU810101X 1955-02-05

Publications (1)

Publication Number Publication Date
GB810101A true GB810101A (en) 1959-03-11

Family

ID=10980427

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3471/56A Expired GB810101A (en) 1955-02-05 1956-02-03 Improvements in or relating to indirectly heated supply cathodes

Country Status (2)

Country Link
DE (1) DE1071849B (enrdf_load_stackoverflow)
GB (1) GB810101A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2947919A1 (de) * 1978-11-30 1980-06-12 Varian Associates Vorratskathode, verfahren zu ihrer herstellung sowie pille dafuer
GB2127617A (en) * 1981-12-11 1984-04-11 Tokyo Shibaura Electric Co Cathode structure for electron tube
WO2004072732A3 (en) * 2003-02-14 2005-02-24 Mapper Lithography Ip Bv Dispenser cathode

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2947919A1 (de) * 1978-11-30 1980-06-12 Varian Associates Vorratskathode, verfahren zu ihrer herstellung sowie pille dafuer
GB2127617A (en) * 1981-12-11 1984-04-11 Tokyo Shibaura Electric Co Cathode structure for electron tube
US4524296A (en) * 1981-12-11 1985-06-18 Tokyo Shibaura Denki Kabushiki Kaisha Cathode structure for electron tube
WO2004072732A3 (en) * 2003-02-14 2005-02-24 Mapper Lithography Ip Bv Dispenser cathode
JP2006518109A (ja) * 2003-02-14 2006-08-03 マッパー・リソグラフィー・アイピー・ビー．ブイ． ディスペンサ陰極
US7215070B2 (en) 2003-02-14 2007-05-08 Mapper Lithography Ip B.V. System, method and apparatus for multi-beam lithography including a dispenser cathode for homogeneous electron emission
EP1959473A3 (en) * 2003-02-14 2008-09-03 Mapper Lithography IP B.V. Dispenser Cathode
CN1830051B (zh) * 2003-02-14 2010-04-28 迈普尔平版印刷Ip有限公司 储备式阴极
US7710009B2 (en) 2003-02-14 2010-05-04 Mapper Lithography Ip B.V. System, method and apparatus for multi-beam lithography including a dispenser cathode for homogeneous electron emission
KR101072948B1 (ko) * 2003-02-14 2011-10-17 마퍼 리쏘그라피 아이피 비.브이. 디스펜서 음극
US8247958B2 (en) 2003-02-14 2012-08-21 Mapper Lithography Ip B.V. System, method and apparatus for multi-beam lithography including a dispenser cathode for homogeneous electron emission
US8263942B2 (en) 2003-02-14 2012-09-11 Mapper Lithography Ip B.V. System, method and apparatus for multi-beam lithography including a dispenser cathode for homogeneous electron emission

Also Published As

Publication number Publication date
DE1071849B (enrdf_load_stackoverflow) 1959-12-24

Similar Documents

Publication Publication Date Title
GB458631A (en) Improvements in or relating to magnetron tubes
GB793726A (en) Improvements in or relating to dispenser cathodes
US2447038A (en) Cathode structure
US2864028A (en) Thermionic dispenser cathode
GB810101A (en) Improvements in or relating to indirectly heated supply cathodes
US3176180A (en) Dispenser cathode
US3243637A (en) Dispenser cathode
GB820065A (en) Improvements relating to cathode structures for electric discharge devices
US3662211A (en) Cathode construction
US3240569A (en) Cathode base structure
US2472189A (en) Thermionic tube having a secondary-emission electrode
GB829339A (en) Improvements in or relating to equipotential cathodes for electric discharge tubes and discharge tubes containing such cathodes
GB425739A (en) Improvements in or relating to thermionic valve arrangements
GB857090A (en) Improvements in or relating to thermionic dispenser cathodes
GB471480A (en) Cathode ray oscilloscope
US2866915A (en) Thermionically emitting device
GB434643A (en) Improvements in or relating to electron discharge devices
GB734196A (en) Improvements in or relating to indirectly heated cathodes
GB766881A (en) Improvements relating to cathodes for high power valves
GB1425194A (en) Nonthermionic electron cathode comprising a heater element
GB1070377A (en) Improvements in or relating to thermionic cathodes and to electron discharge devices employing thermionic cathodes
JPS5813576Y2 (ja) 螢光表示管
ES445244A1 (es) Perfeccionamientos introducidos en un tubo de rayos catodi- cos.
GB833432A (en) Improvements in or relating to indirectly heated cathodes for electron discharge devices and to heater elements therefor
GB717034A (en) Improvements in or relating to the manufacture of porous metal bodies