GB1576448A - Electrodes for electron tubes - Google Patents

Electrodes for electron tubes Download PDF

Info

Publication number
GB1576448A
GB1576448A GB22043/77A GB2204377A GB1576448A GB 1576448 A GB1576448 A GB 1576448A GB 22043/77 A GB22043/77 A GB 22043/77A GB 2204377 A GB2204377 A GB 2204377A GB 1576448 A GB1576448 A GB 1576448A
Authority
GB
United Kingdom
Prior art keywords
electrode
grid
resin
temperature
glassy carbon
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
GB22043/77A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB1576448A publication Critical patent/GB1576448A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28Non-electron-emitting electrodes; Screens
    • H01J19/38Control electrodes, e.g. grid
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/515Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics
    • C04B35/52Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite
    • C04B35/524Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxide ceramics based on carbon, e.g. graphite obtained from polymer precursors, e.g. glass-like carbon material
    • 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
    • H01J1/46Control electrodes, e.g. grid; Auxiliary electrodes
    • H01J1/48Control electrodes, e.g. grid; Auxiliary electrodes characterised by the material
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02Manufacture of electrodes or electrode systems
    • H01J9/14Manufacture of electrodes or electrode systems of non-emitting electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Ceramic Products (AREA)
GB22043/77A 1976-05-28 1977-05-25 Electrodes for electron tubes Expired GB1576448A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762623828 DE2623828A1 (de) 1976-05-28 1976-05-28 Elektrode, insbesondere gitterfoermige elektrode fuer elektronenroehren, und verfahren zu deren herstellung

Publications (1)

Publication Number Publication Date
GB1576448A true GB1576448A (en) 1980-10-08

Family

ID=5979152

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22043/77A Expired GB1576448A (en) 1976-05-28 1977-05-25 Electrodes for electron tubes

Country Status (7)

Country Link
US (1) US4137477A (US06826419-20041130-M00005.png)
JP (1) JPS6013261B2 (US06826419-20041130-M00005.png)
CA (1) CA1081313A (US06826419-20041130-M00005.png)
DE (1) DE2623828A1 (US06826419-20041130-M00005.png)
FR (1) FR2353131A1 (US06826419-20041130-M00005.png)
GB (1) GB1576448A (US06826419-20041130-M00005.png)
NL (1) NL7705669A (US06826419-20041130-M00005.png)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1534551A (en) * 1976-10-21 1978-12-06 English Electric Valve Co Ltd Electrodes
JPS5772234A (en) * 1980-10-20 1982-05-06 Matsushita Electric Ind Co Ltd Production of electrode structure
SU1149329A1 (ru) * 1981-02-13 1985-04-07 Организация П/Я Х-5263 Сетчатый электрод дл электронного прибора и способ его изготовлени
NL8300191A (nl) * 1983-01-19 1984-08-16 Philips Nv Elektrische ontladingsbuis.
US4582632A (en) * 1983-04-11 1986-04-15 Kabushiki Kaisha Kobe Seiko Sho Non-permeable carbonaceous formed bodies and method for producing same
DE3429768A1 (de) * 1984-08-13 1986-02-20 Siemens AG, 1000 Berlin und 8000 München Verfahren zur herstellung von glaskohlenstoff-elektroden
GB8617831D0 (en) * 1986-07-22 1986-08-28 British Petroleum Co Plc Production of porous shaped articles
US5182166A (en) * 1991-05-01 1993-01-26 Burton Ralph A Wear-resistant composite structure of vitreous carbon containing convoluted fibers
US5453169A (en) * 1991-08-21 1995-09-26 The Ohio State University Glassy carbon containing metal particles and its use on an electrode in an electrochemical cell where the particles are less than 10 nm
JP2783927B2 (ja) * 1991-11-29 1998-08-06 三菱鉛筆株式会社 電極用炭素材料およびその製造方法
US5448883A (en) * 1993-02-26 1995-09-12 The Boeing Company Ion thruster with ion optics having carbon-carbon composite elements
US5548953A (en) * 1993-02-26 1996-08-27 The Boeing Company Carbon-carbon grid elements for ion thruster ion optics
US6143412A (en) * 1997-02-10 2000-11-07 President And Fellows Of Harvard College Fabrication of carbon microstructures
US6506482B1 (en) 1999-05-24 2003-01-14 Carbon Ceramics Company, Llc Vitreous carbon composite and method of making and using same
US6856080B2 (en) 2001-08-28 2005-02-15 The United States Of America As Represented By The Secretary Of The Air Force Carbonized resin coated anode
US7862897B2 (en) * 2006-01-27 2011-01-04 Carbon Ceramics Company, Llc Biphasic nanoporous vitreous carbon material and method of making the same
US8052903B2 (en) * 2006-12-25 2011-11-08 Christopher Whitmarsh Vitreous carbon material and process for making the same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR773855A (fr) * 1933-06-02 1934-11-27 Hygrade Sylvania Corp Electrode perfectionnée et son procédé de fabrication
FR1010175A (fr) * 1949-01-24 1952-06-09 Int Standard Electric Corp Révêtements réfractaires protecteurs pour substances métalliques
US3109712A (en) * 1960-01-11 1963-11-05 Plessey Co Ltd Bodies and shapes of carbonaceous materials and processes for their production
FR1344220A (fr) * 1962-03-02 1963-11-29 Thomson Houston Comp Francaise Grille pour tubes électroniques
JPS4921593A (US06826419-20041130-M00005.png) * 1972-06-23 1974-02-26
CH566072A5 (US06826419-20041130-M00005.png) * 1973-11-07 1975-08-29 Bbc Brown Boveri & Cie
JPS5441299B2 (US06826419-20041130-M00005.png) * 1974-03-01 1979-12-07
FR2276681A1 (fr) * 1974-06-28 1976-01-23 Thomson Csf Grille pour tube electronique et tube comportant une telle grille
DE2450261C3 (de) * 1974-10-23 1980-06-26 Philips Patentverwaltung Gmbh, 2000 Hamburg Verfahren zur Herstellung von Gitterelektroden für Elektronenröhren

Also Published As

Publication number Publication date
FR2353131B1 (US06826419-20041130-M00005.png) 1980-04-18
CA1081313A (en) 1980-07-08
JPS52146546A (en) 1977-12-06
US4137477A (en) 1979-01-30
JPS6013261B2 (ja) 1985-04-05
FR2353131A1 (fr) 1977-12-23
DE2623828A1 (de) 1977-12-08
NL7705669A (nl) 1977-11-30
DE2623828C2 (US06826419-20041130-M00005.png) 1987-06-04

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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