BE515205A - - Google Patents

Info

Publication number
BE515205A
BE515205A BE515205DA BE515205A BE 515205 A BE515205 A BE 515205A BE 515205D A BE515205D A BE 515205DA BE 515205 A BE515205 A BE 515205A
Authority
BE
Belgium
Application number
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.)
Publication of BE515205A publication Critical patent/BE515205A/xx

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
    • H01J61/067—Main electrodes for low-pressure discharge lamps
    • H01J61/0675—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode
    • H01J61/0677—Main electrodes for low-pressure discharge lamps characterised by the material of the electrode characterised by the electron emissive material
    • 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
    • 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
    • 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
    • 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
    • H01J9/04—Manufacture of electrodes or electrode systems of thermionic cathodes
    • H01J9/042—Manufacture, activation of the emissive part
    • 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

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
  • Vibration Dampers (AREA)
BE515205D 1951-11-01 BE515205A (enrdf_load_html_response)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE314128X 1951-11-01
DE111052X 1952-10-11

Publications (1)

Publication Number Publication Date
BE515205A true BE515205A (enrdf_load_html_response)

Family

ID=25750583

Family Applications (1)

Application Number Title Priority Date Filing Date
BE515205D BE515205A (enrdf_load_html_response) 1951-11-01

Country Status (7)

Country Link
US (1) US2911376A (enrdf_load_html_response)
BE (1) BE515205A (enrdf_load_html_response)
CH (2) CH111052A (enrdf_load_html_response)
DE (1) DE944621C (enrdf_load_html_response)
FR (1) FR1065061A (enrdf_load_html_response)
GB (1) GB740456A (enrdf_load_html_response)
NL (2) NL91686C (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980617A (en) * 1956-03-13 1961-04-18 Indiana General Corp Ferrite compositions and method of making same

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1157411B (de) * 1959-10-22 1963-11-14 Leybolds Nachfolger E Luftbestaendige Gluehkathode fuer Ionisationsmanometerroehren
US4158153A (en) * 1978-01-23 1979-06-12 Eckberg Edwin E Low voltage fluorescent lamp having a plurality of cathode means
US4321503A (en) * 1978-11-06 1982-03-23 Westinghouse Electric Corp. HID Lamp electrode comprising barium-calcium niobate or tantalate
US5744905A (en) * 1994-12-23 1998-04-28 Philips Electronics North America Corporation Emission materials for discharge lamps and method for manufacturing electrode structures with such materials
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
US5982097A (en) * 1995-12-29 1999-11-09 Philips Electronics North America Corporation Hollow electrodes for low pressure discharge lamps, particularly narrow diameter fluorescent and neon lamps and lamps containing the same
US5905339A (en) * 1995-12-29 1999-05-18 Philips Electronics North America Corporation Gas discharge lamp having an electrode with a low heat capacity tip
KR100445908B1 (ko) * 2001-12-26 2004-08-25 한국전자통신연구원 형광 디스플레이용 청색 형광체 및 그 제조 방법
DE112007003462A5 (de) * 2007-06-14 2010-04-15 Osram Gesellschaft mit beschränkter Haftung Verfahren zur Herstellung eines elektrisch leitenden Hohlkörpers für den Lampenbau und zugehörige Lampe

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2147447A (en) * 1936-09-21 1939-02-14 Siemens Ag Glow cathode
US2249672A (en) * 1936-12-10 1941-07-15 Gen Electric Discharge device
DE858738C (de) * 1941-03-24 1952-12-08 Telefunken Gmbh Pulverfoermiger, nicht verdampfender Fangstoff fuer elektrische Entladungsgefaesse
DE875695C (de) * 1945-02-03 1953-05-04 Lorenz C Ag Mischgetter fuer die Hochvakuumtechnik
US2447038A (en) * 1945-10-31 1948-08-17 Raytheon Mfg Co Cathode structure
US2477279A (en) * 1946-09-11 1949-07-26 Hanovia Chemical & Mfg Co Electrical discharge device
US2661336A (en) * 1948-11-17 1953-12-01 Rca Corp Getter material for electron discharge devices
US2586768A (en) * 1949-02-24 1952-02-26 Driver Harris Co Vacuum tube electrode element
US2663816A (en) * 1949-09-28 1953-12-22 Sylvania Electric Prod Electric discharge lamp
DE823909C (de) * 1950-05-28 1951-12-06 Hoerner Fa Eugen Elektrode fuer Entladungsroehren
CH301568A (de) * 1951-09-06 1954-09-15 Izzolampa Egysult Getterstoff und Verfahren zu dessen Herstellung.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2980617A (en) * 1956-03-13 1961-04-18 Indiana General Corp Ferrite compositions and method of making same

Also Published As

Publication number Publication date
CH111052A (de) 1925-07-16
GB740456A (en) 1955-11-16
NL91686C (enrdf_load_html_response)
FR1065061A (fr) 1954-05-20
DE944621C (de) 1956-06-28
NL173358B (nl)
CH314128A (de) 1956-05-31
US2911376A (en) 1959-11-03

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