NL8701583A - Scandaatkathode. - Google Patents

Scandaatkathode. Download PDF

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Publication number
NL8701583A
NL8701583A NL8701583A NL8701583A NL8701583A NL 8701583 A NL8701583 A NL 8701583A NL 8701583 A NL8701583 A NL 8701583A NL 8701583 A NL8701583 A NL 8701583A NL 8701583 A NL8701583 A NL 8701583A
Authority
NL
Netherlands
Prior art keywords
cathode
scandium
hydride
pressed
sintering
Prior art date
Application number
NL8701583A
Other languages
English (en)
Dutch (nl)
Original Assignee
Philips 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 Nv filed Critical Philips Nv
Priority to NL8701583A priority Critical patent/NL8701583A/nl
Priority to EP88201392A priority patent/EP0298558B1/de
Priority to DE3889696T priority patent/DE3889696T2/de
Priority to KR1019880008245A priority patent/KR890002949A/ko
Priority to JP63165191A priority patent/JP2685232B2/ja
Publication of NL8701583A publication Critical patent/NL8701583A/nl
Priority to US07/738,061 priority patent/US5261845A/en

Links

Classifications

    • 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
    • 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
    • H01J9/042—Manufacture, activation of the emissive part
    • H01J9/047—Cathodes having impregnated bodies
    • 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

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
  • Powder Metallurgy (AREA)
NL8701583A 1987-07-06 1987-07-06 Scandaatkathode. NL8701583A (nl)

Priority Applications (6)

Application Number Priority Date Filing Date Title
NL8701583A NL8701583A (nl) 1987-07-06 1987-07-06 Scandaatkathode.
EP88201392A EP0298558B1 (de) 1987-07-06 1988-07-04 Verfahren zur Herstellung einer Scandat-Kathode
DE3889696T DE3889696T2 (de) 1987-07-06 1988-07-04 Verfahren zur Herstellung einer Scandat-Kathode.
KR1019880008245A KR890002949A (ko) 1987-07-06 1988-07-04 디스펜서 캐소드 제조방법
JP63165191A JP2685232B2 (ja) 1987-07-06 1988-07-04 スカンジウム系陰極の製造方法
US07/738,061 US5261845A (en) 1987-07-06 1991-07-30 Scandate cathode

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL8701583 1987-07-06
NL8701583A NL8701583A (nl) 1987-07-06 1987-07-06 Scandaatkathode.

Publications (1)

Publication Number Publication Date
NL8701583A true NL8701583A (nl) 1989-02-01

Family

ID=19850259

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8701583A NL8701583A (nl) 1987-07-06 1987-07-06 Scandaatkathode.

Country Status (5)

Country Link
EP (1) EP0298558B1 (de)
JP (1) JP2685232B2 (de)
KR (1) KR890002949A (de)
DE (1) DE3889696T2 (de)
NL (1) NL8701583A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8902793A (nl) * 1989-11-13 1991-06-03 Philips Nv Scandaatkathode.
BE1007677A3 (nl) * 1993-10-28 1995-09-12 Philips Electronics Nv Werkwijze voor het vervaardigen van een naleveringskathode.
BE1007676A3 (nl) * 1993-10-28 1995-09-12 Philips Electronics Nv Werkwijze voor het vervaardigen van een naleveringskathode.
EP0651419B1 (de) * 1993-10-28 1998-06-24 Koninklijke Philips Electronics N.V. Vorratskathode und Herstellungsverfahren
US5407633A (en) * 1994-03-15 1995-04-18 U.S. Philips Corporation Method of manufacturing a dispenser cathode
US6281626B1 (en) * 1998-03-24 2001-08-28 Casio Computer Co., Ltd. Cold emission electrode method of manufacturing the same and display device using the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL165880C (nl) * 1975-02-21 1981-05-15 Philips Nv Naleveringskathode.
JPS58154131A (ja) * 1982-03-10 1983-09-13 Hitachi Ltd 含浸形陰極
NL8201371A (nl) * 1982-04-01 1983-11-01 Philips Nv Werkwijzen voor het vervaardigen van een naleveringskathode en naleveringskathode vervaardigd volgens deze werkwijzen.
NL8403032A (nl) * 1984-10-05 1986-05-01 Philips Nv Werkwijze voor het vervaardigen van een scandaatnaleveringskathode, naleveringskathode vervaardigd met deze werkwijze.
NL8403031A (nl) * 1984-10-05 1986-05-01 Philips Nv Werkwijze voor het vervaardigen van een scandaatnaleveringskathode en scandaatnaleveringskathode vervaardigd volgens deze werkwijze.
JPS63254636A (ja) * 1987-04-10 1988-10-21 Hitachi Ltd 含浸形陰極

Also Published As

Publication number Publication date
EP0298558B1 (de) 1994-05-25
KR890002949A (ko) 1989-04-12
JPH01163941A (ja) 1989-06-28
EP0298558A1 (de) 1989-01-11
JP2685232B2 (ja) 1997-12-03
DE3889696D1 (de) 1994-06-30
DE3889696T2 (de) 1994-12-08

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Legal Events

Date Code Title Description
A1B A search report has been drawn up
BV The patent application has lapsed