ES554550A0 - Un metodo para fabricar un catodo suministrador - Google Patents

Un metodo para fabricar un catodo suministrador

Info

Publication number
ES554550A0
ES554550A0 ES554550A ES554550A ES554550A0 ES 554550 A0 ES554550 A0 ES 554550A0 ES 554550 A ES554550 A ES 554550A ES 554550 A ES554550 A ES 554550A ES 554550 A0 ES554550 A0 ES 554550A0
Authority
ES
Spain
Prior art keywords
cathod
manufacture
supply
supply cathod
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.)
Granted
Application number
ES554550A
Other languages
English (en)
Other versions
ES8801951A1 (es
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 ES8801951A1 publication Critical patent/ES8801951A1/es
Publication of ES554550A0 publication Critical patent/ES554550A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
    • C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
    • 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
    • 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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus 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
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Solid Thermionic Cathode (AREA)
  • Electrodes For Cathode-Ray Tubes (AREA)
ES554550A 1985-05-03 1986-04-30 Un metodo para fabricar un catodo suministrador Expired ES8801951A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8501257A NL8501257A (nl) 1985-05-03 1985-05-03 Werkwijze voor het vervaardigen van een naleveringskathode en toepassing van de werkwijze.

Publications (2)

Publication Number Publication Date
ES8801951A1 ES8801951A1 (es) 1988-03-01
ES554550A0 true ES554550A0 (es) 1988-03-01

Family

ID=19845923

Family Applications (1)

Application Number Title Priority Date Filing Date
ES554550A Expired ES8801951A1 (es) 1985-05-03 1986-04-30 Un metodo para fabricar un catodo suministrador

Country Status (7)

Country Link
US (1) US4671777A (es)
EP (1) EP0200276B1 (es)
JP (1) JPH0743998B2 (es)
KR (1) KR930006341B1 (es)
DE (1) DE3669227D1 (es)
ES (1) ES8801951A1 (es)
NL (1) NL8501257A (es)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4734073A (en) * 1986-10-10 1988-03-29 The United States Of America As Represented By The Secretary Of The Army Method of making a thermionic field emitter cathode
US4885211A (en) * 1987-02-11 1989-12-05 Eastman Kodak Company Electroluminescent device with improved cathode
NL8700935A (nl) * 1987-04-21 1988-11-16 Philips Nv Geimpregneerde kathodes met een gekontroleerde porositeit.
US5261845A (en) * 1987-07-06 1993-11-16 U.S. Philips Corporation Scandate cathode
NL8701584A (nl) * 1987-07-06 1989-02-01 Philips Nv Werkwijze voor de vervaardiging van een naleveringskathode; naleveringskathode vervaardigd volgens de werkwijze; lopende golfbuis, klystron en zendbuis bevattende een kathode vervaardigd volgens de werkwijze.
US4823044A (en) * 1988-02-10 1989-04-18 Ceradyne, Inc. Dispenser cathode and method of manufacture therefor
US4863410A (en) * 1988-07-21 1989-09-05 The United States Of America As Represented By The Secretary Of The Army Method of making a long life high current density cathode from tungsten and iridium powders using a low melting point impregnant
KR910003698B1 (en) * 1988-11-11 1991-06-08 Samsung Electronic Devices Cavity reservoir type dispenser cathode and method of the same
US4910748A (en) * 1988-12-20 1990-03-20 Ford Carol M Laser cathode composed of oxidized metallic particles
US4986788A (en) * 1989-11-02 1991-01-22 Samsung Electron Devices Co., Ltd. Process of forming an impregnated cathode
KR100338036B1 (ko) * 1994-12-28 2002-11-30 삼성에스디아이 주식회사 산화물음극및그제조방법
JP3034790U (ja) * 1996-03-07 1997-03-07 きみえ 福間 手袋の形をした髪の毛用タオル
US6936900B1 (en) 2000-05-04 2005-08-30 Osemi, Inc. Integrated transistor devices
US6989556B2 (en) * 2002-06-06 2006-01-24 Osemi, Inc. Metal oxide compound semiconductor integrated transistor devices with a gate insulator structure
US7187045B2 (en) * 2002-07-16 2007-03-06 Osemi, Inc. Junction field effect metal oxide compound semiconductor integrated transistor devices
JP3906766B2 (ja) * 2002-08-30 2007-04-18 住友金属鉱山株式会社 酸化物焼結体
WO2005048318A2 (en) * 2003-11-17 2005-05-26 Osemi, Inc. Nitride metal oxide semiconductor integrated transistor devices
US20080282983A1 (en) * 2003-12-09 2008-11-20 Braddock Iv Walter David High Temperature Vacuum Evaporation Apparatus
US8547005B1 (en) * 2010-05-18 2013-10-01 Superior Technical Ceramics, Inc. Multi-layer heater for an electron gun

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3113370A (en) * 1960-09-30 1963-12-10 Sylvania Electric Prod Method of making cathode
US3458913A (en) * 1966-04-19 1969-08-05 Siemens Ag Supply cathode for electrical discharge vessels and method for its production
US3919751A (en) * 1974-02-08 1975-11-18 Gte Sylvania Inc Method of making fast warm up picture tube cathode cap having high heat emissivity surface on the interior thereof
NL8201371A (nl) * 1982-04-01 1983-11-01 Philips Nv Werkwijzen voor het vervaardigen van een naleveringskathode en naleveringskathode vervaardigd volgens deze werkwijzen.

Also Published As

Publication number Publication date
ES8801951A1 (es) 1988-03-01
EP0200276A1 (en) 1986-11-05
KR860009160A (ko) 1986-12-20
JPH0743998B2 (ja) 1995-05-15
JPS61269829A (ja) 1986-11-29
US4671777A (en) 1987-06-09
NL8501257A (nl) 1986-12-01
EP0200276B1 (en) 1990-02-28
KR930006341B1 (ko) 1993-07-14
DE3669227D1 (de) 1990-04-05

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