JPS6341852B2 - - Google Patents
Info
- Publication number
- JPS6341852B2 JPS6341852B2 JP54047408A JP4740879A JPS6341852B2 JP S6341852 B2 JPS6341852 B2 JP S6341852B2 JP 54047408 A JP54047408 A JP 54047408A JP 4740879 A JP4740879 A JP 4740879A JP S6341852 B2 JPS6341852 B2 JP S6341852B2
- Authority
- JP
- Japan
- Prior art keywords
- ferrite
- particle size
- powder
- fine powder
- present
- 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 claims description 25
- 239000002245 particle Substances 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 12
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 150000004703 alkoxides Chemical class 0.000 claims description 9
- 239000010419 fine particle Substances 0.000 claims description 9
- 229910052596 spinel Inorganic materials 0.000 claims description 6
- 239000011029 spinel Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 239000000843 powder Substances 0.000 description 23
- 238000000034 method Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000007062 hydrolysis Effects 0.000 description 5
- 238000006460 hydrolysis reaction Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 4
- 125000000954 2-hydroxyethyl group Chemical group [H]C([*])([H])C([H])([H])O[H] 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000000975 co-precipitation Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Soft Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
- Magnetic Ceramics (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4740879A JPS55140722A (en) | 1979-04-18 | 1979-04-18 | Manufacture of ferrite fine grain powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4740879A JPS55140722A (en) | 1979-04-18 | 1979-04-18 | Manufacture of ferrite fine grain powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55140722A JPS55140722A (en) | 1980-11-04 |
| JPS6341852B2 true JPS6341852B2 (enrdf_load_stackoverflow) | 1988-08-19 |
Family
ID=12774291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4740879A Granted JPS55140722A (en) | 1979-04-18 | 1979-04-18 | Manufacture of ferrite fine grain powder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS55140722A (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6021263A (ja) * | 1983-07-15 | 1985-02-02 | Matsushita Electric Ind Co Ltd | 端面型サ−マルヘッド用基板 |
| JPS6186423A (ja) * | 1984-10-04 | 1986-05-01 | Mitsubishi Mining & Cement Co Ltd | ビスマス複酸化物の製造方法 |
| JPS6351156A (ja) * | 1986-08-21 | 1988-03-04 | Nhk Spring Co Ltd | 端面型サ−マルヘツド用基板 |
-
1979
- 1979-04-18 JP JP4740879A patent/JPS55140722A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS55140722A (en) | 1980-11-04 |
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