GB1025673A - An anode for a high-pressure discharge lamp - Google Patents

An anode for a high-pressure discharge lamp

Info

Publication number
GB1025673A
GB1025673A GB4207962A GB4207962A GB1025673A GB 1025673 A GB1025673 A GB 1025673A GB 4207962 A GB4207962 A GB 4207962A GB 4207962 A GB4207962 A GB 4207962A GB 1025673 A GB1025673 A GB 1025673A
Authority
GB
United Kingdom
Prior art keywords
anode
pressure discharge
discharge lamp
nov
layer
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
Application number
GB4207962A
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 GmbH
Original Assignee
Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
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 to DEP28207A priority Critical patent/DE1182743B/en
Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of GB1025673A publication Critical patent/GB1025673A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00Gas-discharge or vapour-discharge lamps
    • H01J61/02Details
    • H01J61/04Electrodes; Screens; Shields
    • H01J61/06Main electrodes
    • H01J61/073Main electrodes for high-pressure discharge lamps
    • H01J61/0732Main electrodes for high-pressure discharge lamps characterised by the construction of the electrode

Abstract

1,025,673. Electrode materials and processing. PATENT - TREUHAND - GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN m.b.H. Nov. 7, 1962 [Nov. 10, 1961], No. 42079/62. Heading H1D. An anode for a high pressure discharge lamp is made of tungsten hammered to increase its density and has annular cooling grooves, e.g. 1 to 3 mm. deep and whose lateral edges form angles of about 90 degrees, and the grooved anode surface has a layer of sintered material to increase radiation. The layer may be of tungsten powder, or tantalum carbide possibly mixed with nickel or tungsten powder, and may be applied in suspension in butyl acetate with 5% cellulose binder, and subsequently sintered at about 2000‹ C. The lamp may contain xenon, and the tantalum carbide may act as a getter.
GB4207962A 1961-11-10 1962-11-07 An anode for a high-pressure discharge lamp Expired GB1025673A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DEP28207A DE1182743B (en) 1961-11-10 1961-11-10 An anode for a high pressure discharge lamp, especially a rare gas high pressure discharge lamp

Publications (1)

Publication Number Publication Date
GB1025673A true GB1025673A (en) 1966-04-14

Family

ID=7371161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4207962A Expired GB1025673A (en) 1961-11-10 1962-11-07 An anode for a high-pressure discharge lamp

Country Status (3)

Country Link
US (1) US3248591A (en)
DE (1) DE1182743B (en)
GB (1) GB1025673A (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL302399A (en) * 1963-03-21
US3364374A (en) * 1964-09-28 1968-01-16 Gen Electric Compact source lamp having electrode construction providing arc stabilization
DE3300449A1 (en) * 1983-01-08 1984-07-12 Philips Patentverwaltung Method for producing an electrode for a high pressure gas discharge lamp
GB9413973D0 (en) * 1994-07-11 1994-08-31 Rank Brimar Ltd Electrode structure
DE69527491T2 (en) * 1994-11-25 2003-02-20 Ushiodenki Kabushiki Kaisha To Short arc type metal halide lamp
JPH09231946A (en) * 1996-02-23 1997-09-05 Ushio Inc Short arc electric discharge lamp
DE19626624C2 (en) * 1996-07-02 2003-04-10 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Method for producing a high-pressure discharge lamp and high-pressure discharge lamp
US6215247B1 (en) * 1997-10-03 2001-04-10 Orc Manufacturing Co., Ltd. Construction of electrode for high pressure discharge lamp and process for producing the same
DE19749908A1 (en) * 1997-11-11 1999-05-12 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electrode component for discharge lamps
DE19835476A1 (en) * 1998-08-06 2000-02-10 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Electrode for a high-pressure discharge lamp with a long service life
JP2000306546A (en) * 1999-04-21 2000-11-02 Ushio Inc Short arc discharge lamp
DE20005764U1 (en) * 2000-03-30 2000-06-08 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Short arc lamp
JP4512968B2 (en) 2000-08-03 2010-07-28 ウシオ電機株式会社 Short arc type high pressure discharge lamp
JP4259282B2 (en) * 2003-11-07 2009-04-30 ウシオ電機株式会社 High pressure discharge lamp
US7176632B2 (en) * 2005-03-15 2007-02-13 Osram Sylvania Inc. Slotted electrode for high intensity discharge lamp
JP2009187693A (en) * 2008-02-04 2009-08-20 Ushio Inc Short arc high-pressure discharge lamp
DE102009021235B4 (en) 2009-05-14 2018-07-26 Osram Gmbh Discharge lamp with coated electrode

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1664195A (en) * 1925-08-29 1928-03-27 Gen Electric Electric-arc device
US1832009A (en) * 1926-03-02 1931-11-17 Gen Electric Vapor Lamp Co Vapor discharge device
US1915186A (en) * 1929-11-09 1933-06-20 Frank B Hale Electrode for gaseous discharge tubes
US1981652A (en) * 1931-04-28 1934-11-20 Bell Telephone Labor Inc Method of coating electrodes
US2172207A (en) * 1936-09-19 1939-09-05 Siemens Ag Glow cathode
US2232083A (en) * 1937-09-06 1941-02-18 Lorenz C Ag Method of producing surfaces of high heat radiation
GB640381A (en) * 1945-05-23 1950-07-19 Sylvania Electric Prod Cathode and method of making
US2764511A (en) * 1953-08-28 1956-09-25 Sylvania Electric Prod Filamentary cathode and method of making same
US2858471A (en) * 1955-04-01 1958-10-28 Westinghouse Electric Corp Anode for electron discharge device
US2860277A (en) * 1955-09-02 1958-11-11 Hughes Aircraft Co Traveling-wave tube collector electrode
US3043973A (en) * 1957-05-31 1962-07-10 Siemens Ag Cooling thermally stressed parts of electron tubes
US2974249A (en) * 1958-01-28 1961-03-07 Duro Test Corp Xenon short arc lamps
NL272789A (en) * 1960-12-27

Also Published As

Publication number Publication date
US3248591A (en) 1966-04-26
DE1182743B (en) 1964-12-03

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