BE820941A - PROCESS FOR THE PREPARATION OF FLEXIBLE FILAMENTARY OBJECTS IN TANTALUM CARBIDE FOR INCANDESCENCE LAMPS - Google Patents
PROCESS FOR THE PREPARATION OF FLEXIBLE FILAMENTARY OBJECTS IN TANTALUM CARBIDE FOR INCANDESCENCE LAMPSInfo
- 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
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)
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 (en) | 1975-04-10 |
Family
ID=23604066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE149423A BE820941A (en) | 1973-10-11 | 1974-10-10 | PROCESS FOR THE PREPARATION OF FLEXIBLE FILAMENTARY OBJECTS IN TANTALUM CARBIDE FOR INCANDESCENCE LAMPS |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5066514A (en) |
| AU (1) | AU7317474A (en) |
| BE (1) | BE820941A (en) |
| DD (1) | DD120418A5 (en) |
| DE (1) | DE2448386A1 (en) |
| FR (1) | FR2247818A1 (en) |
| NL (1) | NL7413356A (en) |
| SE (1) | SE7412764L (en) |
Families Citing this family (3)
| 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 (en) * | 1994-04-21 | 1995-10-26 | G Stankostroitel Noe Predprija | Incandescent or fluorescent lamp mfr. |
| 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/en active Granted
- 1974-10-10 DD DD181619A patent/DD120418A5/xx unknown
- 1974-10-10 NL NL7413356A patent/NL7413356A/en unknown
- 1974-10-10 DE DE19742448386 patent/DE2448386A1/en active Pending
- 1974-10-10 BE BE149423A patent/BE820941A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2247818B3 (en) | 1977-07-22 |
| SE7412764L (en) | 1975-04-14 |
| DD120418A5 (en) | 1976-06-12 |
| AU7317474A (en) | 1976-03-18 |
| NL7413356A (en) | 1975-04-15 |
| DE2448386A1 (en) | 1975-04-17 |
| FR2247818A1 (en) | 1975-05-09 |
| JPS5066514A (en) | 1975-06-04 |
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