DE3762075D1 - Herstellungsverfahren einer vorratskathode. - Google Patents

Herstellungsverfahren einer vorratskathode.

Info

Publication number
DE3762075D1
DE3762075D1 DE8787200951T DE3762075T DE3762075D1 DE 3762075 D1 DE3762075 D1 DE 3762075D1 DE 8787200951 T DE8787200951 T DE 8787200951T DE 3762075 T DE3762075 T DE 3762075T DE 3762075 D1 DE3762075 D1 DE 3762075D1
Authority
DE
Germany
Prior art keywords
manufacturing
stock
cathode
stock cathode
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 - Lifetime
Application number
DE8787200951T
Other languages
German (de)
English (en)
Inventor
Esdonk Johannes Van
Jan Hasker
Antonius Hendrikus Ma Swemmers
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
Application granted granted Critical
Publication of DE3762075D1 publication Critical patent/DE3762075D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Solid Thermionic Cathode (AREA)
DE8787200951T 1986-05-29 1987-05-20 Herstellungsverfahren einer vorratskathode. Expired - Lifetime DE3762075D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8601374A NL8601374A (nl) 1986-05-29 1986-05-29 Werkwijze voor het vervaardigen van een naleveringskathode.

Publications (1)

Publication Number Publication Date
DE3762075D1 true DE3762075D1 (de) 1990-05-03

Family

ID=19848086

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787200951T Expired - Lifetime DE3762075D1 (de) 1986-05-29 1987-05-20 Herstellungsverfahren einer vorratskathode.

Country Status (5)

Country Link
EP (1) EP0248470B1 (ko)
JP (1) JPH0711935B2 (ko)
KR (1) KR870011653A (ko)
DE (1) DE3762075D1 (ko)
NL (1) NL8601374A (ko)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4236287A (en) * 1979-06-25 1980-12-02 The United States Of America As Represented By The Secretary Of The Army Method of making a ruggedized high current density cathode
NL8403032A (nl) * 1984-10-05 1986-05-01 Philips Nv Werkwijze voor het vervaardigen van een scandaatnaleveringskathode, naleveringskathode vervaardigd met deze werkwijze.

Also Published As

Publication number Publication date
EP0248470B1 (en) 1990-03-28
NL8601374A (nl) 1987-12-16
JPS62281223A (ja) 1987-12-07
JPH0711935B2 (ja) 1995-02-08
EP0248470A1 (en) 1987-12-09
KR870011653A (ko) 1987-12-24

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8339 Ceased/non-payment of the annual fee