BE820941A - Procede de preparation d'objets filamentaires souples en carbure de tantale pour lampes a incandescence - Google Patents

Procede de preparation d'objets filamentaires souples en carbure de tantale pour lampes a incandescence

Info

Publication number
BE820941A
BE820941A BE149423A BE149423A BE820941A BE 820941 A BE820941 A BE 820941A BE 149423 A BE149423 A BE 149423A BE 149423 A BE149423 A BE 149423A BE 820941 A BE820941 A BE 820941A
Authority
BE
Belgium
Prior art keywords
preparation
tantalum carbide
flexible filamentary
incandescence lamps
filamentary objects
Prior art date
Application number
BE149423A
Other languages
English (en)
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 filed Critical
Publication of BE820941A publication Critical patent/BE820941A/fr

Links

Classifications

    • 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
    • H01K1/10—Bodies of metal or carbon combined with other substance
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/90—Carbides
    • C01B32/914—Carbides of single elements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/62227—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products obtaining fibres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/10—Particle morphology extending in one dimension, e.g. needle-like
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Luminescent Compositions (AREA)
  • Inorganic Insulating Materials (AREA)
  • Inorganic Fibers (AREA)
BE149423A 1973-10-11 1974-10-10 Procede de preparation d'objets filamentaires souples en carbure de tantale pour lampes a incandescence BE820941A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40552673A 1973-10-11 1973-10-11

Publications (1)

Publication Number Publication Date
BE820941A true BE820941A (fr) 1975-04-10

Family

ID=23604066

Family Applications (1)

Application Number Title Priority Date Filing Date
BE149423A BE820941A (fr) 1973-10-11 1974-10-10 Procede de preparation d'objets filamentaires souples en carbure de tantale pour lampes a incandescence

Country Status (8)

Country Link
JP (1) JPS5066514A (fr)
AU (1) AU7317474A (fr)
BE (1) BE820941A (fr)
DD (1) DD120418A5 (fr)
DE (1) DE2448386A1 (fr)
FR (1) FR2247818A1 (fr)
NL (1) NL7413356A (fr)
SE (1) SE7412764L (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4864186A (en) * 1988-03-29 1989-09-05 Milewski John V Single crystal whisker electric light filament
DE4413859A1 (de) * 1994-04-21 1995-10-26 G Stankostroitel Noe Predprija Verfahren zum Herstellen elektrischer Beleuchtungslampen
EP0760351A1 (fr) * 1995-08-31 1997-03-05 Nanodyne Incorporated Synthèse de carbures métalliques submicroniques

Also Published As

Publication number Publication date
FR2247818A1 (en) 1975-05-09
JPS5066514A (fr) 1975-06-04
NL7413356A (nl) 1975-04-15
FR2247818B3 (fr) 1977-07-22
DD120418A5 (fr) 1976-06-12
DE2448386A1 (de) 1975-04-17
AU7317474A (en) 1976-03-18
SE7412764L (fr) 1975-04-14

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