BR7306820D0 - IMPROVED TUNGSTEN FILM IMPROVEMENT - Google Patents

IMPROVED TUNGSTEN FILM IMPROVEMENT

Info

Publication number
BR7306820D0
BR7306820D0 BR6820/73A BR682073A BR7306820D0 BR 7306820 D0 BR7306820 D0 BR 7306820D0 BR 6820/73 A BR6820/73 A BR 6820/73A BR 682073 A BR682073 A BR 682073A BR 7306820 D0 BR7306820 D0 BR 7306820D0
Authority
BR
Brazil
Prior art keywords
tungsten film
improved tungsten
film improvement
improvement
improved
Prior art date
Application number
BR6820/73A
Other languages
Portuguese (pt)
Inventor
T Dunham
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of BR7306820D0 publication Critical patent/BR7306820D0/en

Links

Classifications

    • 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
    • B23K35/40—Making wire or rods for soldering or welding
    • B23K35/402—Non-consumable electrodes; C-electrodes
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C32/00—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ
    • C22C32/001—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides
    • C22C32/0015—Non-ferrous alloys containing at least 5% by weight but less than 50% by weight of oxides, carbides, borides, nitrides, silicides or other metal compounds, e.g. oxynitrides, sulfides, whether added as such or formed in situ with only oxides with only single oxides as main non-metallic constituents
    • C22C32/0031—Matrix based on refractory metals, W, Mo, Nb, Hf, Ta, Zr, Ti, V or alloys thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/02—Incandescent bodies
    • H01K1/04—Incandescent bodies characterised by the material thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12014—All metal or with adjacent metals having metal particles
    • Y10T428/12021—All metal or with adjacent metals having metal particles having composition or density gradient or differential porosity

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Discharge Lamp (AREA)
BR6820/73A 1972-09-01 1973-09-03 IMPROVED TUNGSTEN FILM IMPROVEMENT BR7306820D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00285939A US3853491A (en) 1972-09-01 1972-09-01 Tungsten filament having uniform concentration gradient of thoria particles

Publications (1)

Publication Number Publication Date
BR7306820D0 true BR7306820D0 (en) 1974-06-27

Family

ID=23096340

Family Applications (1)

Application Number Title Priority Date Filing Date
BR6820/73A BR7306820D0 (en) 1972-09-01 1973-09-03 IMPROVED TUNGSTEN FILM IMPROVEMENT

Country Status (8)

Country Link
US (1) US3853491A (en)
JP (1) JPS559941B2 (en)
BE (1) BE804110A (en)
BR (1) BR7306820D0 (en)
DE (1) DE2343278C3 (en)
FR (1) FR2197994B1 (en)
GB (1) GB1451234A (en)
NL (1) NL7312096A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016446A (en) * 1975-01-31 1977-04-05 Westinghouse Electric Corporation Refractory-oxide-based incandescible radiators and method of making
US4086087A (en) * 1976-12-27 1978-04-25 Lisa Marie Morris Process for the preparation of powdered metal parts
DE3309069C1 (en) * 1983-03-14 1984-06-20 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Electrode, especially for TIG welding processes
US5590386A (en) * 1995-07-26 1996-12-31 Osram Sylvania Inc. Method of making an alloy of tungsten and lanthana
JP5086503B2 (en) * 2001-02-02 2012-11-28 株式会社東芝 Method for manufacturing thorium tungsten wire
JP3640947B2 (en) * 2002-10-07 2005-04-20 株式会社東芝 Ion source, ion implantation apparatus, and method for manufacturing semiconductor device
WO2005073418A1 (en) * 2004-01-30 2005-08-11 Nippon Tungsten Co., Ltd. Tungsten based sintered compact and method for production thereof
US7648933B2 (en) 2006-01-13 2010-01-19 Dynamic Abrasives Llc Composition comprising spinel crystals, glass, and calcium iron silicate
JP5414828B2 (en) * 2012-04-12 2014-02-12 株式会社東芝 Thorium tungsten alloy, thorium tungsten wire, thorium tungsten wire coil, and cathode structure for electron tube

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1082933A (en) * 1912-06-19 1913-12-30 Gen Electric Tungsten and method of making the same for use as filaments of incandescent electric lamps and for other purposes.
US2798808A (en) * 1953-02-02 1957-07-09 Westinghouse Electric Corp Method of introducing zirconia into tungsten powder preliminary to forming electrodes
US2846339A (en) * 1953-10-21 1958-08-05 Honeywell Regulator Co Method of forming an electron emitting body
US3278281A (en) * 1957-09-13 1966-10-11 Westinghouse Electric Corp Thoriated tungsten filament or wire and method of making same
US3105290A (en) * 1958-12-18 1963-10-01 Westinghouse Electric Corp Cathode for electron discharge device
AT261237B (en) * 1963-11-20 1968-04-10 Egyesuelt Izzolampa Process for the production of metal bodies containing at least one additive and obtained by powder metallurgy
US3475159A (en) * 1967-01-16 1969-10-28 Dow Chemical Co Method for preparing tungsten powders doped with refractory metal oxides

Also Published As

Publication number Publication date
BE804110A (en) 1973-12-17
JPS4987167A (en) 1974-08-21
FR2197994A1 (en) 1974-03-29
DE2343278A1 (en) 1974-03-21
DE2343278B2 (en) 1978-07-20
FR2197994B1 (en) 1976-05-07
JPS559941B2 (en) 1980-03-13
GB1451234A (en) 1976-09-29
US3853491A (en) 1974-12-10
NL7312096A (en) 1974-03-05
DE2343278C3 (en) 1979-03-08

Similar Documents

Publication Publication Date Title
BR7300184D0 (en) IMPLANTATOR IMPROVEMENTS
FI53341C (en) COMBINATION TAKRAENNE / TAKFOTSENHET
FI56213B (en) MALAPPARAT
AT324072B (en) WENDELBOHREB
AT353108B (en) SKIBOB
SE392671B (en) HALLARE FOR BLIXTLASLOPARE
SE381980B (en) PALEGGARE FOR HARFERGNING
AT323930B (en) UNDERMATTRESS
BR7306820D0 (en) IMPROVED TUNGSTEN FILM IMPROVEMENT
SE390790B (en) LOPARE FOR BLIXTLAS
SE386580B (en) HALLARE FOR BLIXTLASLOPARE
SE388539B (en) X-RAY DENSITITOMETER
NL158626B (en) PRIORITY COUNTER.
IT976804B (en) DIVIDING MECHANISM
SE386622B (en) TYPE MECHANISM
NO138466C (en) VEILENGDEMAALER FOR MOTORKHØTETOY.
DK137365B (en) Contraceptive.
AT322779B (en) BOOKBOARD
ATA1035273A (en) LAUTERBODEN
IT981480B (en) SUBSTITUTED BENZIMIDAZOLS
SE384333B (en) STOPPARE
BE782546A (en) AANSLUITDOOS
BE779066A (en) HERENJAS
ATA324376A (en) MICROSCOPOCULAR
BR7204415D0 (en) ABAJOUR IMPROVEMENTS