GB1251988A - - Google Patents
Info
- Publication number
- GB1251988A GB1251988A GB1251988DA GB1251988A GB 1251988 A GB1251988 A GB 1251988A GB 1251988D A GB1251988D A GB 1251988DA GB 1251988 A GB1251988 A GB 1251988A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rate
- per hour
- per cent
- firing
- atmosphere
- 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
Links
- 229910000859 α-Fe Inorganic materials 0.000 abstract 4
- 238000010304 firing Methods 0.000 abstract 3
- 238000000137 annealing Methods 0.000 abstract 2
- 238000001354 calcination Methods 0.000 abstract 2
- 238000001816 cooling Methods 0.000 abstract 2
- 239000000463 material Substances 0.000 abstract 2
- XYCQRIWVOKLIMW-UHFFFAOYSA-N [Co].[Ni].[Zn] Chemical compound [Co].[Ni].[Zn] XYCQRIWVOKLIMW-UHFFFAOYSA-N 0.000 abstract 1
- 150000001768 cations Chemical class 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 238000002156 mixing Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 abstract 1
- 239000007858 starting material Substances 0.000 abstract 1
- 238000001238 wet grinding Methods 0.000 abstract 1
- 239000011701 zinc Substances 0.000 abstract 1
Classifications
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
-
- 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
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Magnetic Ceramics (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US68462867A | 1967-11-21 | 1967-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1251988A true GB1251988A (enrdf_load_stackoverflow) | 1971-11-03 |
Family
ID=24748859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1251988D Expired GB1251988A (enrdf_load_stackoverflow) | 1967-11-21 | 1968-11-20 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3533949A (enrdf_load_stackoverflow) |
| BE (1) | BE722747A (enrdf_load_stackoverflow) |
| DE (1) | DE1809811B2 (enrdf_load_stackoverflow) |
| FR (1) | FR1603507A (enrdf_load_stackoverflow) |
| GB (1) | GB1251988A (enrdf_load_stackoverflow) |
| NL (1) | NL148580B (enrdf_load_stackoverflow) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5626789A (en) * | 1991-09-11 | 1997-05-06 | American Research Corp. Of Virginia | Ferrimagnetic core materials for megahertz frequency high flux density transformers and inductors |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL96342C (enrdf_load_stackoverflow) * | 1955-10-20 | |||
| US3242089A (en) * | 1962-08-20 | 1966-03-22 | Western Electric Co | Heat-treating method for modifying permeability and quality factor of nickel-zinc-cobalt ferrite |
-
1967
- 1967-11-21 US US684628A patent/US3533949A/en not_active Expired - Lifetime
-
1968
- 1968-10-23 BE BE722747D patent/BE722747A/xx unknown
- 1968-10-30 FR FR1603507D patent/FR1603507A/fr not_active Expired
- 1968-11-15 NL NL686816316A patent/NL148580B/xx unknown
- 1968-11-20 GB GB1251988D patent/GB1251988A/en not_active Expired
- 1968-11-20 DE DE19681809811 patent/DE1809811B2/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE722747A (enrdf_load_stackoverflow) | 1969-04-01 |
| US3533949A (en) | 1970-10-13 |
| FR1603507A (enrdf_load_stackoverflow) | 1971-05-03 |
| DE1809811B2 (de) | 1971-04-29 |
| NL148580B (nl) | 1976-02-16 |
| DE1809811A1 (de) | 1969-10-09 |
| NL6816316A (enrdf_load_stackoverflow) | 1969-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1273419A (en) | Process for producing ceramic materials | |
| GB1143448A (en) | Improvements in or relating to manganese-zinc-ferrites | |
| GB661721A (en) | Magnetic core composition and method for producing the same | |
| GB673719A (en) | Magnetic core and method for manufacturing same | |
| GB776710A (en) | Magnetic materials of the ferrite kind | |
| US3252913A (en) | Method for preparing manganese-zincferrous ferrite | |
| GB906119A (en) | Mixed ferrospinels | |
| US2565058A (en) | Ceramic magnetic materials with high saturation-flux density | |
| GB1251988A (enrdf_load_stackoverflow) | ||
| GB1226594A (enrdf_load_stackoverflow) | ||
| US2958664A (en) | Making manganese-zinc ferrites | |
| ES393851A1 (es) | Procedimiento para fabricar particulas de ferrita. | |
| GB1060598A (en) | Ferromagnetic cores and processes for the preparation thereof | |
| GB763494A (en) | Improvements in or relating to magnetic ferrites | |
| GB1304237A (enrdf_load_stackoverflow) | ||
| GB1390279A (en) | Manganese-zinc ferrites | |
| GB1073237A (en) | Magnetic memory core material for operation over wide temperature ranges and method for producing the same | |
| GB1271706A (en) | Improvements in or relating to manganese-zinc ferrite materials | |
| GB1227459A (enrdf_load_stackoverflow) | ||
| SE301523B (enrdf_load_stackoverflow) | ||
| GB1056315A (en) | Process for the manufacture of manganese-zinc ferrites | |
| GB1029024A (en) | Improvements in or relating to ferromagnetic ferrites incorporating lithium | |
| US3375196A (en) | Method for introducing calcium oxide into manganese-zinc ferrite magnetic materials | |
| GB1401358A (en) | Production of manganese-zinc ferrite | |
| GB1197740A (en) | Process for the Production of Mixed Ferrites |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |