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FR874664A - Solder for tungsten wires glowing in service in electric discharge tubes or incandescent lamps - Google Patents

Solder for tungsten wires glowing in service in electric discharge tubes or incandescent lamps

Info

Publication number
FR874664A
FR874664A FR874664DA FR874664A FR 874664 A FR874664 A FR 874664A FR 874664D A FR874664D A FR 874664DA FR 874664 A FR874664 A FR 874664A
Authority
FR
France
Prior art keywords
glowing
solder
service
electric discharge
incandescent lamps
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
Other languages
French (fr)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie 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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR874664A publication Critical patent/FR874664A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24—Selection of soldering or welding materials proper
    • B23K35/32—Selection of soldering or welding materials proper with the principal constituent melting at more than 1550 degrees C
    • 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
    • H01J1/15—Cathodes heated directly by an electric current

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR874664D 1940-04-30 1941-08-11 Solder for tungsten wires glowing in service in electric discharge tubes or incandescent lamps Expired FR874664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE874664X 1940-04-30

Publications (1)

Publication Number Publication Date
FR874664A true FR874664A (en) 1942-08-18

Family

ID=6816954

Family Applications (1)

Application Number Title Priority Date Filing Date
FR874664D Expired FR874664A (en) 1940-04-30 1941-08-11 Solder for tungsten wires glowing in service in electric discharge tubes or incandescent lamps

Country Status (1)

Country Link
FR (1) FR874664A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241230A (en) * 1962-10-12 1966-03-22 Roy I Batista Diffusion bonding of tungsten to tungsten

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3241230A (en) * 1962-10-12 1966-03-22 Roy I Batista Diffusion bonding of tungsten to tungsten

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