GB953023A - A sintered electrode - Google Patents

A sintered electrode

Info

Publication number
GB953023A
GB953023A GB46629/61A GB4662961A GB953023A GB 953023 A GB953023 A GB 953023A GB 46629/61 A GB46629/61 A GB 46629/61A GB 4662961 A GB4662961 A GB 4662961A GB 953023 A GB953023 A GB 953023A
Authority
GB
United Kingdom
Prior art keywords
zone
work function
sintered body
electrode
zones
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
GB46629/61A
Other languages
English (en)
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
Application filed by Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH filed Critical Patent Treuhand Gesellschaft fuer Elektrische Gluehlampen mbH
Publication of GB953023A publication Critical patent/GB953023A/en
Expired 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
    • 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
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H01J17/06—Cathodes
    • H01J17/066—Cold cathodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0064—Tubes with cold main electrodes (including cold cathodes)
    • H01J2893/0065—Electrode systems
    • H01J2893/0066—Construction, material, support, protection and temperature regulation of electrodes; Electrode cups

Landscapes

  • Discharge Lamp (AREA)
GB46629/61A 1961-01-02 1961-12-29 A sintered electrode Expired GB953023A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP26325A DE1187730B (de) 1961-01-02 1961-01-02 Elektrode fuer Gas- und/oder Dampfentladungslampen

Publications (1)

Publication Number Publication Date
GB953023A true GB953023A (en) 1964-03-25

Family

ID=7370418

Family Applications (1)

Application Number Title Priority Date Filing Date
GB46629/61A Expired GB953023A (en) 1961-01-02 1961-12-29 A sintered electrode

Country Status (6)

Country Link
US (1) US3244929A (it)
BE (1) BE612125A (it)
CH (1) CH401261A (it)
DE (1) DE1187730B (it)
GB (1) GB953023A (it)
NL (1) NL272981A (it)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4114487A1 (de) * 1991-05-03 1992-11-05 Wilhelm Dr Ing Ziegenbein Hochleistungs-gluehkathode

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1541026B2 (de) * 1966-12-14 1971-08-19 Philips Patentverwaltung Gmbh, 2000 Hamburg Kreiszylindrische kathode fuer eine magnetroehre
US3548242A (en) * 1967-05-16 1970-12-15 Sylvania Electric Prod High pressure electric discharge device and cathode
US3558964A (en) * 1968-10-21 1971-01-26 Gen Electric High current thermionic hollow cathode lamp
DE2245717A1 (de) * 1972-09-18 1974-03-28 Patra Patent Treuhand Elektrode mit einem poroesen sinterkoerper
JPS5241736Y2 (it) * 1973-01-05 1977-09-21
ZA744074B (en) * 1973-07-23 1975-06-25 Siemens Ag Improvements in or relating to a mass for a high-temperature-resistant emission electrode and process for the production of said mass
HU179748B (en) * 1974-01-15 1982-12-28 Ferenc Puskas Cathode of a metal ceramic sintered body produced by dust metalurgy for closing discharge tube of sodium vapour lamp and process for the production thereof
US4097762A (en) * 1975-08-14 1978-06-27 International Telephone & Telegraph Corporation Xenon arc discharge lamp having a particular electrode composition and wherein the arc discharge is obtained without heating the electrode
JPS5523813U (it) * 1978-07-26 1980-02-15
FR2494035A1 (fr) * 1980-11-07 1982-05-14 Thomson Csf Cathode thermo-electronique pour tube hyperfrequences et tube incorporant une telle cathode
US5847498A (en) * 1994-12-23 1998-12-08 Philips Electronics North America Corporation Multiple layer composite electrodes for discharge lamps
GB9525776D0 (en) * 1995-12-16 1996-02-14 Heraeus Noblelight Limited Improved lamp construction
DE19652822A1 (de) 1996-12-18 1998-06-25 Patent Treuhand Ges Fuer Elektrische Gluehlampen Mbh Sinterelektrode
DE19757152C2 (de) 1997-12-20 2002-10-31 Thomas Eggers Elektrode für Entladungslampen
JP2007095665A (ja) * 2005-09-02 2007-04-12 Sony Corp ショートアーク型高圧放電電極、ショートアーク型高圧放電管、ショートアーク型高圧放電光源装置、及びそれらの各製造方法
JP4725389B2 (ja) * 2006-03-29 2011-07-13 ウシオ電機株式会社 高圧放電ランプ
WO2008074361A1 (de) * 2006-12-18 2008-06-26 Osram Gesellschaft mit beschränkter Haftung Elektrode für eine entladungslampe
DE102013203738A1 (de) * 2013-03-05 2014-09-11 Von Ardenne Gmbh Gasentladungslampe und Verfahren zu ihrer Ansteuerung

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE295395C (it) *
US1520794A (en) * 1921-06-03 1924-12-30 Frederick W Zons Refractory alloy for wires and rods
US1922244A (en) * 1930-09-13 1933-08-15 Fansteel Prod Co Inc Electrode and method of making the same
DE692702C (de) * 1934-09-15 1940-06-25 Osram G M B H Komm Ges Elektrisches Entladungsgefaess, insbesondere elektrische Metalldampflampe, mit entladungsgeheizter Elektrode
US2202108A (en) * 1937-07-13 1940-05-28 Company Fidelity Union Trust Refractory metal composition
US2185410A (en) * 1938-09-30 1940-01-02 Rca Corp Metal compositions
BE463969A (it) * 1940-11-25
DE968579C (de) * 1941-09-02 1958-03-06 Felix Mueller Dr Ing Elektrische Hochdruck-Entladungsroehre fuer Beleuchtungs- und Strahlungszwecke
US2492142A (en) * 1945-10-17 1949-12-27 Kenneth J Germeshausen Electric system embodying coldcathode gaseous discharge device
US2460739A (en) * 1946-04-17 1949-02-01 Gen Electric Electrode construction
US2473550A (en) * 1947-08-19 1949-06-21 Raytheon Mfg Co Directly heated cathode
DE929379C (de) * 1949-07-01 1955-06-27 Lumalampan Ab Elektrode fuer elektrische Niederdruck-Entladungsroehren
US2886737A (en) * 1949-11-11 1959-05-12 Fruengel Frank Quick-responsive spark gap device
AT176613B (de) * 1951-07-17 1953-11-10 Philips Nv Vorratskathode
DE971276C (de) * 1952-02-12 1958-12-31 Siemens Ag Verfahren zur Herstellung einer Kathode fuer elektrische Entladungsgefaesse

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4114487A1 (de) * 1991-05-03 1992-11-05 Wilhelm Dr Ing Ziegenbein Hochleistungs-gluehkathode

Also Published As

Publication number Publication date
NL272981A (it)
US3244929A (en) 1966-04-05
DE1187730B (de) 1965-02-25
BE612125A (fr) 1962-04-16
CH401261A (de) 1965-10-31

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