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
Authority: BE; Belgium
Prior art keywords: preparation; tantalum carbide; flexible filamentary; incandescence lamps; filamentary objects
Prior art date: 1973-10-11

Application number

BE149423A

Other languages

English (en)

French (fr)

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.)

1973-10-11

Filing date

1974-10-10

Publication date

1975-04-10

1974-10-10 Application filed filed Critical

1975-04-10 Publication of BE820941A publication Critical patent/BE820941A/xx

Links

NFFIWVVINABMKP-UHFFFAOYSA-N methylidynetantalum Chemical compound [Ta]#C NFFIWVVINABMKP-UHFFFAOYSA-N 0.000 title 1
229910003468 tantalcarbide Inorganic materials 0.000 title 1

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 (ja)
AU (1)	AU7317474A (ja)
BE (1)	BE820941A (ja)
DD (1)	DD120418A5 (ja)
DE (1)	DE2448386A1 (ja)
FR (1)	FR2247818A1 (ja)
NL (1)	NL7413356A (ja)
SE (1)	SE7412764L (ja)

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 (en) *	1995-08-31	1997-03-05	Nanodyne Incorporated	Synthesis of submicron grain metal carbides

1974
- 1974-09-10 AU AU73174/74A patent/AU7317474A/en not_active Expired
- 1974-10-09 JP JP49115696A patent/JPS5066514A/ja active Pending
- 1974-10-10 SE SE7412764A patent/SE7412764L/ not_active Application Discontinuation
- 1974-10-10 FR FR7434097A patent/FR2247818A1/fr active Granted
- 1974-10-10 DD DD181619A patent/DD120418A5/xx unknown
- 1974-10-10 NL NL7413356A patent/NL7413356A/xx unknown
- 1974-10-10 DE DE19742448386 patent/DE2448386A1/de active Pending
- 1974-10-10 BE BE149423A patent/BE820941A/xx unknown

Also Published As

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

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