DE3751379D1 - Elektrode und Drahtmaterial aus Wolfram von zweifältiger Zusammensetzung. - Google Patents

Elektrode und Drahtmaterial aus Wolfram von zweifältiger Zusammensetzung.

Info

Publication number
DE3751379D1
DE3751379D1 DE3751379T DE3751379T DE3751379D1 DE 3751379 D1 DE3751379 D1 DE 3751379D1 DE 3751379 T DE3751379 T DE 3751379T DE 3751379 T DE3751379 T DE 3751379T DE 3751379 D1 DE3751379 D1 DE 3751379D1
Authority
DE
Germany
Prior art keywords
wire material
tungsten electrode
fold composition
fold
composition
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
DE3751379T
Other languages
English (en)
Other versions
DE3751379T2 (de
Inventor
Edmund M Passmore
Thomas J Patrician
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.)
Osram Sylvania Inc
Original Assignee
GTE Products Corp
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 GTE Products Corp filed Critical GTE Products Corp
Application granted granted Critical
Publication of DE3751379D1 publication Critical patent/DE3751379D1/de
Publication of DE3751379T2 publication Critical patent/DE3751379T2/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
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
    • H01J61/06—Main electrodes
    • H01J61/073—Main electrodes for high-pressure discharge lamps
    • H01J61/0735—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0737—Main electrodes for high-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
DE19873751379 1986-12-22 1987-12-22 Elektrode und Drahtmaterial aus Wolfram von zweifältiger Zusammensetzung. Expired - Fee Related DE3751379T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94574686A 1986-12-22 1986-12-22

Publications (2)

Publication Number Publication Date
DE3751379D1 true DE3751379D1 (de) 1995-08-03
DE3751379T2 DE3751379T2 (de) 1995-11-09

Family

ID=25483499

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873751379 Expired - Fee Related DE3751379T2 (de) 1986-12-22 1987-12-22 Elektrode und Drahtmaterial aus Wolfram von zweifältiger Zusammensetzung.

Country Status (4)

Country Link
EP (1) EP0272687B1 (de)
JP (1) JPS63168963A (de)
CA (1) CA1305512C (de)
DE (1) DE3751379T2 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03110748A (ja) * 1989-09-22 1991-05-10 Stanley Electric Co Ltd 放電灯
JPH03274649A (ja) * 1990-03-26 1991-12-05 Ushio Inc 電極及びその製造方法
GB9413973D0 (en) * 1994-07-11 1994-08-31 Rank Brimar Ltd Electrode structure
JP2003508875A (ja) * 1999-08-22 2003-03-04 アイピーツーエイチ アーゲー 光源および光源を製造する方法
JP4896288B2 (ja) * 2000-04-20 2012-03-14 株式会社東芝 電子放出用電極とその製造方法、およびそれを用いた放電灯
KR100426566B1 (ko) * 2001-08-08 2004-04-08 엘지.필립스디스플레이(주) 개선된 이너쉴드를 가지는 컬러 음극선관
JP2014063667A (ja) 2012-09-21 2014-04-10 Stanley Electric Co Ltd 白熱電球

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL230714A (de) * 1958-08-21
FR1464066A (fr) * 1965-11-17 1966-07-22 Pat & Visseaux Claude électrode pour appareil à décharge électrique
JPS5330266A (en) * 1976-09-02 1978-03-22 Toshiba Corp Production of direct heated filament
GB2050045A (en) * 1979-05-29 1980-12-31 Emi Varian Ltd Thermionic cathode
JPS5611832A (en) * 1979-07-11 1981-02-05 Toshiba Corp Directly heated cathode of electron tube and its manufacture
JPS592145B2 (ja) * 1979-10-01 1984-01-17 株式会社東芝 短弧光放電灯
NL8003698A (nl) * 1980-06-26 1982-01-18 Philips Nv Halogeengloeilamp.
JPS5725664A (en) * 1980-07-22 1982-02-10 Mitsubishi Electric Corp Electrode for electric-discharge lamp
JPS59130697A (ja) * 1983-01-17 1984-07-27 Iwasaki Electric Co Ltd ア−ク溶接用電極

Also Published As

Publication number Publication date
EP0272687A3 (en) 1990-08-22
CA1305512C (en) 1992-07-21
DE3751379T2 (de) 1995-11-09
EP0272687B1 (de) 1995-06-28
JPS63168963A (ja) 1988-07-12
EP0272687A2 (de) 1988-06-29

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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