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 (en)

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 (en)

Family

ID=25750583

Family Applications (1)

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

Country Status (7)

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

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 (en) * 1959-10-22 1963-11-14 Leybolds Nachfolger E Air-resistant glow cathode for ionization manometer tubes
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
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
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
KR100445908B1 (en) * 2001-12-26 2004-08-25 한국전자통신연구원 Blue phosphor for fluorescent display and method for synthesizing the same
DE112007003462A5 (en) * 2007-06-14 2010-04-15 Osram Gesellschaft mit beschränkter Haftung Method for producing an electrically conductive hollow body for the lamp construction and associated lamp

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 (en) * 1941-03-24 1952-12-08 Telefunken Gmbh Powdery, non-evaporating trapping material for electrical discharge vessels
DE875695C (en) * 1945-02-03 1953-05-04 Lorenz C Ag Mixing getter for high vacuum technology
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 (en) * 1950-05-28 1951-12-06 Hoerner Fa Eugen Electrode for discharge tubes
CH301568A (en) * 1951-09-06 1954-09-15 Izzolampa Egysult Getter material and process for its production.

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
FR1065061A (en) 1954-05-20
CH111052A (en) 1925-07-16
GB740456A (en) 1955-11-16
CH314128A (en) 1956-05-31
NL91686C (en)
NL173358B (en)
DE944621C (en) 1956-06-28
US2911376A (en) 1959-11-03

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