GB1414771A - Ferrimagnetic material for recording read out and erase heads utilised in magnetic layer devices and manufacturing process of this material - Google Patents
Ferrimagnetic material for recording read out and erase heads utilised in magnetic layer devices and manufacturing process of this materialInfo
- Publication number
- GB1414771A GB1414771A GB5714672A GB5714672A GB1414771A GB 1414771 A GB1414771 A GB 1414771A GB 5714672 A GB5714672 A GB 5714672A GB 5714672 A GB5714672 A GB 5714672A GB 1414771 A GB1414771 A GB 1414771A
- Authority
- GB
- United Kingdom
- Prior art keywords
- hours
- nickel
- oxides
- zinc
- utilised
- 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
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 239000002902 ferrimagnetic material Substances 0.000 title 1
- 230000005291 magnetic effect Effects 0.000 title 1
- 239000000463 material Substances 0.000 title 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 abstract 5
- 239000000843 powder Substances 0.000 abstract 3
- 239000011701 zinc Substances 0.000 abstract 3
- 229910000831 Steel Inorganic materials 0.000 abstract 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 abstract 2
- 239000011230 binding agent Substances 0.000 abstract 2
- 239000008187 granular material Substances 0.000 abstract 2
- 238000012986 modification Methods 0.000 abstract 2
- 230000004048 modification Effects 0.000 abstract 2
- 239000010959 steel Substances 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
- 229910052725 zinc Inorganic materials 0.000 abstract 2
- 229910001053 Nickel-zinc ferrite Inorganic materials 0.000 abstract 1
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 239000012153 distilled water Substances 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 abstract 1
- 235000013980 iron oxide Nutrition 0.000 abstract 1
- 159000000014 iron salts Chemical class 0.000 abstract 1
- VBMVTYDPPZVILR-UHFFFAOYSA-N iron(2+);oxygen(2-) Chemical class [O-2].[Fe+2] VBMVTYDPPZVILR-UHFFFAOYSA-N 0.000 abstract 1
- 239000011812 mixed powder Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052759 nickel Inorganic materials 0.000 abstract 1
- 229910000480 nickel oxide Inorganic materials 0.000 abstract 1
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 1
- 238000003825 pressing Methods 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
- 238000005245 sintering Methods 0.000 abstract 1
- 229910052596 spinel Inorganic materials 0.000 abstract 1
- 239000011029 spinel Substances 0.000 abstract 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 abstract 1
- 229910000859 α-Fe Inorganic materials 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
- 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)
- Compounds Of Iron (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7144897A FR2165011A5 (enrdf_load_stackoverflow) | 1971-12-14 | 1971-12-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1414771A true GB1414771A (en) | 1975-11-19 |
Family
ID=9087451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5714672A Expired GB1414771A (en) | 1971-12-14 | 1972-12-11 | Ferrimagnetic material for recording read out and erase heads utilised in magnetic layer devices and manufacturing process of this material |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5742585B2 (enrdf_load_stackoverflow) |
| DE (1) | DE2261183C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2165011A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1414771A (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0123530A3 (en) * | 1983-04-21 | 1986-03-05 | Celanese Corporation | Production of ferrimagnetic spinel fibres |
| EP0127427A3 (en) * | 1983-05-23 | 1986-04-02 | Celanese Corporation | Production of microcrystralline ferrimagnetic spinels |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58144839A (ja) * | 1982-02-13 | 1983-08-29 | Tdk Corp | 磁性キヤリヤ粒子 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL281410A (enrdf_load_stackoverflow) * | 1962-07-25 | 1964-12-10 | ||
| NL282192A (enrdf_load_stackoverflow) * | 1962-08-16 | |||
| GB1144285A (en) * | 1967-02-09 | 1969-03-05 | Matsushita Electric Industrial Co Ltd | Improvements in and relating to magnetic materials and devices |
| JPS5133273A (en) * | 1974-09-12 | 1976-03-22 | Takeyoshi Myahara | Shindobutsutai no shijisochi |
| DE2534257C3 (de) * | 1975-07-31 | 1978-07-06 | Bayer Ag, 5090 Leverkusen | Verfahren zur Bestimmung des anorganischen Kohlenstoffgehaltes von wässrigen Flüssigkeiten |
-
1971
- 1971-12-14 FR FR7144897A patent/FR2165011A5/fr not_active Expired
-
1972
- 1972-12-09 JP JP47123060A patent/JPS5742585B2/ja not_active Expired
- 1972-12-11 GB GB5714672A patent/GB1414771A/en not_active Expired
- 1972-12-14 DE DE19722261183 patent/DE2261183C2/de not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0123530A3 (en) * | 1983-04-21 | 1986-03-05 | Celanese Corporation | Production of ferrimagnetic spinel fibres |
| EP0127427A3 (en) * | 1983-05-23 | 1986-04-02 | Celanese Corporation | Production of microcrystralline ferrimagnetic spinels |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2261183C2 (de) | 1984-03-15 |
| DE2261183A1 (de) | 1973-06-20 |
| JPS4866609A (enrdf_load_stackoverflow) | 1973-09-12 |
| JPS5742585B2 (enrdf_load_stackoverflow) | 1982-09-09 |
| FR2165011A5 (enrdf_load_stackoverflow) | 1973-08-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |