JPS6477901A - Manufacture of metallic iron magnetic powder - Google Patents
Manufacture of metallic iron magnetic powderInfo
- Publication number
- JPS6477901A JPS6477901A JP62235697A JP23569787A JPS6477901A JP S6477901 A JPS6477901 A JP S6477901A JP 62235697 A JP62235697 A JP 62235697A JP 23569787 A JP23569787 A JP 23569787A JP S6477901 A JPS6477901 A JP S6477901A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- magnetic
- iron
- metallic iron
- oxyhydroxide
- 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.)
- Pending
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title abstract 10
- 229910052742 iron Inorganic materials 0.000 title abstract 4
- 239000006247 magnetic powder Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 239000000843 powder Substances 0.000 abstract 7
- 239000010410 layer Substances 0.000 abstract 6
- 239000011247 coating layer Substances 0.000 abstract 3
- 230000007797 corrosion Effects 0.000 abstract 3
- 238000005260 corrosion Methods 0.000 abstract 3
- 229910021519 iron(III) oxide-hydroxide Inorganic materials 0.000 abstract 3
- CUPCBVUMRUSXIU-UHFFFAOYSA-N [Fe].OOO Chemical compound [Fe].OOO CUPCBVUMRUSXIU-UHFFFAOYSA-N 0.000 abstract 2
- 229910052782 aluminium Inorganic materials 0.000 abstract 2
- -1 aluminum compound Chemical class 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000002245 particle Substances 0.000 abstract 2
- 150000001875 compounds Chemical class 0.000 abstract 1
- 229910000765 intermetallic Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 239000006104 solid solution Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Magnetic Record Carriers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
- Paints Or Removers (AREA)
- Powder Metallurgy (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62235697A JPS6477901A (en) | 1987-09-19 | 1987-09-19 | Manufacture of metallic iron magnetic powder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62235697A JPS6477901A (en) | 1987-09-19 | 1987-09-19 | Manufacture of metallic iron magnetic powder |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6477901A true JPS6477901A (en) | 1989-03-23 |
Family
ID=16989883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62235697A Pending JPS6477901A (en) | 1987-09-19 | 1987-09-19 | Manufacture of metallic iron magnetic powder |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6477901A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019189468A1 (ja) * | 2018-03-30 | 2019-10-03 | ソニー株式会社 | 磁性粉末の製造方法および磁気記録媒体の製造方法 |
-
1987
- 1987-09-19 JP JP62235697A patent/JPS6477901A/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019189468A1 (ja) * | 2018-03-30 | 2019-10-03 | ソニー株式会社 | 磁性粉末の製造方法および磁気記録媒体の製造方法 |
CN111902869A (zh) * | 2018-03-30 | 2020-11-06 | 索尼公司 | 磁性粉末的制造方法和磁记录介质的制造方法 |
JPWO2019189468A1 (ja) * | 2018-03-30 | 2021-05-13 | ソニーグループ株式会社 | 磁性粉末の製造方法および磁気記録媒体の製造方法 |
US11830533B2 (en) | 2018-03-30 | 2023-11-28 | Sony Corporation | Method of producing magnetic powder and method of producing magnetic recording medium |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4150172A (en) | Method for producing a square loop magnetic media for very high density recording | |
JPS6012690B2 (ja) | 磁気記録媒体の製法 | |
JPS6477901A (en) | Manufacture of metallic iron magnetic powder | |
US4232061A (en) | Magnetic recording medium and process for producing the same | |
JPS57176537A (en) | Magnetic recording medium | |
JPS57183624A (en) | Magnetic recording medium | |
JPS6329330B2 (ja) | ||
JPS5698401A (en) | Ferromagnetic metal powder with improved oxidation stability and preparation thereof | |
US3595630A (en) | Magnetic storage medium | |
US4156037A (en) | Process for producing a magnetic recording medium | |
US3751345A (en) | Method of producing a magnetic storage medium | |
JPS57191831A (en) | Metallic thin film type magnetic recording medium and its manufacture | |
JPS5634145A (en) | Magnetic recording medium | |
JPS5389706A (en) | Magnetic recording medium and its manufacture | |
JPS5616939A (en) | Magnetic recording medium | |
JPS52141609A (en) | Magnetic recording medium and its production | |
JPS5673413A (en) | Magnetic recording medium | |
JPS55108930A (en) | Magnetic recording medium and its production | |
Inagaki et al. | Ferrite thin films for high recording density | |
JPS59177725A (ja) | 磁気記憶体 | |
JPS57135071A (en) | Formation of patterned film | |
JPS59116924A (ja) | 磁気記憶体 | |
JPS56119932A (en) | Magnetic recording medium | |
JPH045245B2 (ja) | ||
JPS5882507A (ja) | 磁性薄膜材料 |