DE69313845D1 - Oxydkathode für Elektronenröhre - Google Patents

Oxydkathode für Elektronenröhre

Info

Publication number
DE69313845D1
DE69313845D1 DE69313845T DE69313845T DE69313845D1 DE 69313845 D1 DE69313845 D1 DE 69313845D1 DE 69313845 T DE69313845 T DE 69313845T DE 69313845 T DE69313845 T DE 69313845T DE 69313845 D1 DE69313845 D1 DE 69313845D1
Authority
DE
Germany
Prior art keywords
oxide cathode
electron tubes
tubes
electron
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 - Fee Related
Application number
DE69313845T
Other languages
English (en)
Other versions
DE69313845T2 (de
Inventor
Jong-Seo Choi
Kyung-Cheon Shon
Kwi-Seok Choi
Gyu-Nam Ju
Sang-Won Lee
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.)
Samsung SDI Co Ltd
Original Assignee
Samsung Display Devices Co Ltd
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
Priority claimed from KR1019930021670A external-priority patent/KR950006911A/ko
Priority claimed from KR1019930022490A external-priority patent/KR100271484B1/ko
Application filed by Samsung Display Devices Co Ltd filed Critical Samsung Display Devices Co Ltd
Application granted granted Critical
Publication of DE69313845D1 publication Critical patent/DE69313845D1/de
Publication of DE69313845T2 publication Critical patent/DE69313845T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H01J1/14—Solid thermionic cathodes characterised by the material
    • H01J1/144—Solid thermionic cathodes characterised by the material with other metal oxides as an emissive material
DE1993613845 1993-08-20 1993-12-13 Oxydkathode für Elektronenröhre Expired - Fee Related DE69313845T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR930016231 1993-08-20
KR1019930021670A KR950006911A (ko) 1993-08-20 1993-10-19 전자관용 산화물 음극
KR930022124 1993-10-23
KR1019930022490A KR100271484B1 (ko) 1993-10-23 1993-10-27 산화물 음극

Publications (2)

Publication Number Publication Date
DE69313845D1 true DE69313845D1 (de) 1997-10-16
DE69313845T2 DE69313845T2 (de) 1998-04-02

Family

ID=27483006

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1993613845 Expired - Fee Related DE69313845T2 (de) 1993-08-20 1993-12-13 Oxydkathode für Elektronenröhre

Country Status (6)

Country Link
EP (1) EP0639848B1 (de)
JP (1) JPH0765692A (de)
CN (1) CN1061462C (de)
DE (1) DE69313845T2 (de)
SG (1) SG44617A1 (de)
TW (1) TW259877B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100200661B1 (ko) * 1994-10-12 1999-06-15 손욱 전자관용 음극
EP1232511B1 (de) * 2000-09-19 2007-08-15 Koninklijke Philips Electronics N.V. Oxidkathode
JP2007305438A (ja) * 2006-05-12 2007-11-22 New Japan Radio Co Ltd 酸化物陰極及びその製造方法並びにそれに用いる酸化物陰極用炭酸塩の製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB182817A (en) * 1921-07-11 1923-08-09 Drahtlose Telegraphie Gmbh Improvements in the cathodes of electric discharge tubes
US1794298A (en) * 1926-09-21 1931-02-24 Gen Electric Thermionic cathode
CA1270890A (en) * 1985-07-19 1990-06-26 Keiji Watanabe Cathode for electron tube

Also Published As

Publication number Publication date
SG44617A1 (en) 1997-12-19
CN1099185A (zh) 1995-02-22
DE69313845T2 (de) 1998-04-02
EP0639848B1 (de) 1997-09-10
CN1061462C (zh) 2001-01-31
JPH0765692A (ja) 1995-03-10
EP0639848A1 (de) 1995-02-22
TW259877B (de) 1995-10-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee