BE516598A - - Google Patents
Info
- Publication number
- BE516598A BE516598A BE516598DA BE516598A BE 516598 A BE516598 A BE 516598A BE 516598D A BE516598D A BE 516598DA BE 516598 A BE516598 A BE 516598A
- Authority
- BE
- Belgium
- Prior art keywords
- crystals
- strontium
- barium
- lead
- fine
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 15
- 229910052788 barium Inorganic materials 0.000 claims description 9
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium(0) Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003302 ferromagnetic material Substances 0.000 claims description 9
- 230000005291 magnetic Effects 0.000 claims description 9
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 9
- 229910052712 strontium Inorganic materials 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 150000002739 metals Chemical class 0.000 claims description 6
- 230000005294 ferromagnetic Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- OYPRJOBELJOOCE-UHFFFAOYSA-N calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 3
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 239000010419 fine particle Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000002592 echocardiography Methods 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/706—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material
- G11B5/70626—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances
- G11B5/70642—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by the composition of the magnetic material containing non-metallic substances iron oxides
- G11B5/70678—Ferrites
Landscapes
- Hard Magnetic Materials (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE516598A true BE516598A (US07922777-20110412-C00004.png) |
Family
ID=153739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE516598D BE516598A (US07922777-20110412-C00004.png) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE516598A (US07922777-20110412-C00004.png) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2960470A (en) * | 1954-12-21 | 1960-11-15 | Philips Corp | Method of manufacturing permanent magnets |
| EP0078539A2 (en) * | 1981-11-02 | 1983-05-11 | Fuji Photo Film Co., Ltd. | Method for preparing a magnetic recording medium |
-
0
- BE BE516598D patent/BE516598A/fr unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2960470A (en) * | 1954-12-21 | 1960-11-15 | Philips Corp | Method of manufacturing permanent magnets |
| EP0078539A2 (en) * | 1981-11-02 | 1983-05-11 | Fuji Photo Film Co., Ltd. | Method for preparing a magnetic recording medium |
| EP0078539A3 (en) * | 1981-11-02 | 1985-09-11 | Fuji Photo Film Co., Ltd. | Method for preparing a magnetic recording medium |
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