JPS5455000A - Manufacture of needle-like ferro-magnetic iron oxide powder for magnetic memory material - Google Patents
Manufacture of needle-like ferro-magnetic iron oxide powder for magnetic memory materialInfo
- Publication number
- JPS5455000A JPS5455000A JP12225177A JP12225177A JPS5455000A JP S5455000 A JPS5455000 A JP S5455000A JP 12225177 A JP12225177 A JP 12225177A JP 12225177 A JP12225177 A JP 12225177A JP S5455000 A JPS5455000 A JP S5455000A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- needle
- ferro
- iron oxide
- magnetic
- 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.)
- Granted
Links
- 239000000843 powder Substances 0.000 title abstract 9
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 title abstract 6
- 230000005294 ferromagnetic effect Effects 0.000 title abstract 4
- 230000005291 magnetic effect Effects 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 239000000463 material Substances 0.000 title 1
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract 6
- 229910000000 metal hydroxide Inorganic materials 0.000 abstract 3
- 150000004692 metal hydroxides Chemical class 0.000 abstract 3
- 239000002244 precipitate Substances 0.000 abstract 3
- 239000000725 suspension Substances 0.000 abstract 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract 2
- XLJKHNWPARRRJB-UHFFFAOYSA-N cobalt(2+) Chemical compound [Co+2] XLJKHNWPARRRJB-UHFFFAOYSA-N 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 2
- 238000003756 stirring Methods 0.000 abstract 2
- 229910000859 α-Fe Inorganic materials 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract 1
- 239000010410 layer Substances 0.000 abstract 1
- 150000001455 metallic ions Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002344 surface layer Substances 0.000 abstract 1
Landscapes
- Compounds Of Iron (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12225177A JPS5455000A (en) | 1977-10-11 | 1977-10-11 | Manufacture of needle-like ferro-magnetic iron oxide powder for magnetic memory material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12225177A JPS5455000A (en) | 1977-10-11 | 1977-10-11 | Manufacture of needle-like ferro-magnetic iron oxide powder for magnetic memory material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5455000A true JPS5455000A (en) | 1979-05-01 |
| JPS613294B2 JPS613294B2 (en]) | 1986-01-31 |
Family
ID=14831324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12225177A Granted JPS5455000A (en) | 1977-10-11 | 1977-10-11 | Manufacture of needle-like ferro-magnetic iron oxide powder for magnetic memory material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5455000A (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62185297U (en]) * | 1986-05-19 | 1987-11-25 |
-
1977
- 1977-10-11 JP JP12225177A patent/JPS5455000A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS613294B2 (en]) | 1986-01-31 |
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