EP0675520A3 - Elektrode für Miniatur-Edelgasentladungslampe und Verfahren zur Herstellung. - Google Patents

Elektrode für Miniatur-Edelgasentladungslampe und Verfahren zur Herstellung. Download PDF

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Publication number
EP0675520A3
EP0675520A3 EP95104514A EP95104514A EP0675520A3 EP 0675520 A3 EP0675520 A3 EP 0675520A3 EP 95104514 A EP95104514 A EP 95104514A EP 95104514 A EP95104514 A EP 95104514A EP 0675520 A3 EP0675520 A3 EP 0675520A3
Authority
EP
European Patent Office
Prior art keywords
making
discharge lamp
gas discharge
rare gas
lamp electrode
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.)
Withdrawn
Application number
EP95104514A
Other languages
English (en)
French (fr)
Other versions
EP0675520A2 (de
Inventor
Sr Clifford E Hilchey
David W France
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
Osram Sylvania Inc
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 Osram Sylvania Inc filed Critical Osram Sylvania Inc
Publication of EP0675520A2 publication Critical patent/EP0675520A2/de
Publication of EP0675520A3 publication Critical patent/EP0675520A3/de
Withdrawn legal-status Critical Current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
    • H01J61/09—Hollow 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
    • H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes
    • 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
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/70—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr
    • H01J61/76—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a filling of permanent gas or gases only
    • H01J61/78—Lamps with low-pressure unconstricted discharge having a cold pressure < 400 Torr having a filling of permanent gas or gases only with cold cathode; with cathode heated only by discharge, e.g. high-tension lamp for advertising

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)
  • Discharge Lamp (AREA)
EP95104514A 1994-03-29 1995-03-28 Elektrode für Miniatur-Edelgasentladungslampe und Verfahren zur Herstellung. Withdrawn EP0675520A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US219150 1980-12-22
US21915094A 1994-03-29 1994-03-29

Publications (2)

Publication Number Publication Date
EP0675520A2 EP0675520A2 (de) 1995-10-04
EP0675520A3 true EP0675520A3 (de) 1997-07-09

Family

ID=22818090

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95104514A Withdrawn EP0675520A3 (de) 1994-03-29 1995-03-28 Elektrode für Miniatur-Edelgasentladungslampe und Verfahren zur Herstellung.

Country Status (3)

Country Link
EP (1) EP0675520A3 (de)
JP (1) JPH07288107A (de)
CA (1) CA2145624A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6037714A (en) * 1995-09-19 2000-03-14 Philips Electronics North America Corporation Hollow electrodes for low pressure discharge lamps, particularly narrow diameter fluorescent and neon lamps and lamps containing the same
DE19651552A1 (de) * 1996-12-11 1998-06-18 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Kaltkathode für Entladungslampen, Entladungslampe mit dieser Kaltkathode und Betriebsweise für diese Entladungslampe
US6356019B1 (en) * 1999-06-22 2002-03-12 Osram Sylvania Inc. Fluorescent lamp and methods for making electrode assemblies for fluorescent lamps
ITMI20012389A1 (it) * 2001-11-12 2003-05-12 Getters Spa Catodo cavo con getter integrato per lampade a scarica e metodi per la sua realizzazione
US7164232B2 (en) * 2004-07-02 2007-01-16 Matsushita Electric Industrial Co., Ltd. Seal for ceramic discharge lamp arc tube
CN111613516B (zh) * 2020-06-18 2023-03-10 沈阳国联环保科技有限公司 一种医药检测设备用长寿命光源

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847605A (en) * 1954-11-18 1958-08-12 Byer Abner Albert Electrode for fluorescent lamps
US3906271A (en) * 1974-08-13 1975-09-16 Itt Ceramic cup electrode for a gas discharge device
US3969279A (en) * 1974-08-13 1976-07-13 International Telephone And Telegraph Corporation Method of treating electron emissive cathodes
US4461970A (en) * 1981-11-25 1984-07-24 General Electric Company Shielded hollow cathode electrode for fluorescent lamp
EP0467713A2 (de) * 1990-07-19 1992-01-22 Tokyo Densoku Kabushiki Kaisha Entladungsröhre
JPH0458452A (ja) * 1990-06-26 1992-02-25 Ushio Inc 放電ランプ

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2847605A (en) * 1954-11-18 1958-08-12 Byer Abner Albert Electrode for fluorescent lamps
US3906271A (en) * 1974-08-13 1975-09-16 Itt Ceramic cup electrode for a gas discharge device
US3969279A (en) * 1974-08-13 1976-07-13 International Telephone And Telegraph Corporation Method of treating electron emissive cathodes
US4461970A (en) * 1981-11-25 1984-07-24 General Electric Company Shielded hollow cathode electrode for fluorescent lamp
JPH0458452A (ja) * 1990-06-26 1992-02-25 Ushio Inc 放電ランプ
EP0467713A2 (de) * 1990-07-19 1992-01-22 Tokyo Densoku Kabushiki Kaisha Entladungsröhre

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 016, no. 259 (E - 1215) 11 June 1992 (1992-06-11) *

Also Published As

Publication number Publication date
EP0675520A2 (de) 1995-10-04
CA2145624A1 (en) 1995-09-30
JPH07288107A (ja) 1995-10-31

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