JPS6151401B2 - - Google Patents
Info
- Publication number
- JPS6151401B2 JPS6151401B2 JP53145878A JP14587878A JPS6151401B2 JP S6151401 B2 JPS6151401 B2 JP S6151401B2 JP 53145878 A JP53145878 A JP 53145878A JP 14587878 A JP14587878 A JP 14587878A JP S6151401 B2 JPS6151401 B2 JP S6151401B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic powder
- iron oxide
- cobalt
- powder
- alcohol
- 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
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 45
- 239000006247 magnetic powder Substances 0.000 claims description 35
- 239000010941 cobalt Substances 0.000 claims description 13
- 229910017052 cobalt Inorganic materials 0.000 claims description 13
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 13
- 239000000843 powder Substances 0.000 claims description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 150000001868 cobalt Chemical class 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 6
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 238000009835 boiling Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000005294 ferromagnetic effect Effects 0.000 claims description 2
- 235000019441 ethanol Nutrition 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000005291 magnetic effect Effects 0.000 description 6
- 229910001566 austenite Inorganic materials 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000001556 precipitation Methods 0.000 description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002202 Polyethylene glycol Substances 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 239000012736 aqueous medium Substances 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 3
- 239000002609 medium Substances 0.000 description 3
- 229920001223 polyethylene glycol Polymers 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical class [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229960002089 ferrous chloride Drugs 0.000 description 2
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 229910021503 Cobalt(II) hydroxide Inorganic materials 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229940044175 cobalt sulfate Drugs 0.000 description 1
- 229910000361 cobalt sulfate Inorganic materials 0.000 description 1
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 1
- 229960001781 ferrous sulfate Drugs 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001451 polypropylene glycol Polymers 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
Landscapes
- Paints Or Removers (AREA)
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14587878A JPS5572008A (en) | 1978-11-25 | 1978-11-25 | Preparation of ferromagnetic powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14587878A JPS5572008A (en) | 1978-11-25 | 1978-11-25 | Preparation of ferromagnetic powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5572008A JPS5572008A (en) | 1980-05-30 |
| JPS6151401B2 true JPS6151401B2 (fr) | 1986-11-08 |
Family
ID=15395129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14587878A Granted JPS5572008A (en) | 1978-11-25 | 1978-11-25 | Preparation of ferromagnetic powder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5572008A (fr) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02201073A (ja) * | 1989-01-31 | 1990-08-09 | Toshiba Corp | 流体圧縮機 |
| WO2019208267A1 (fr) | 2018-04-26 | 2019-10-31 | 京浜ラムテック株式会社 | Cathode de pulvérisation cathodique, ensemble cathodique de pulvérisation cathodique et dispositif de pulvérisation cathodique |
| US11370063B2 (en) | 2017-02-17 | 2022-06-28 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Encoding and identifying a plate-like workpiece |
-
1978
- 1978-11-25 JP JP14587878A patent/JPS5572008A/ja active Granted
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02201073A (ja) * | 1989-01-31 | 1990-08-09 | Toshiba Corp | 流体圧縮機 |
| US11370063B2 (en) | 2017-02-17 | 2022-06-28 | Trumpf Werkzeugmaschinen Gmbh + Co. Kg | Encoding and identifying a plate-like workpiece |
| WO2019208267A1 (fr) | 2018-04-26 | 2019-10-31 | 京浜ラムテック株式会社 | Cathode de pulvérisation cathodique, ensemble cathodique de pulvérisation cathodique et dispositif de pulvérisation cathodique |
| KR20200137005A (ko) | 2018-04-26 | 2020-12-08 | 케이힌 람테크 가부시키가이샤 | 스퍼터링 캐소드, 스퍼터링 캐소드 집합체 및 스퍼터링 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5572008A (en) | 1980-05-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1585419A (en) | Process of producing cobalt-containing feromagnetic iron oxide powder | |
| US4584242A (en) | Plate-like barium ferrite particles for magnetic recording and process for producing the same | |
| JPH05254845A (ja) | ヘキサフェライト粒子の製造方法 | |
| JPS6151401B2 (fr) | ||
| EP0857693B1 (fr) | Procédés de préparation d'oxyde de fer hydrate et oxyde de fer ferromagnétique | |
| JPS6149251B2 (fr) | ||
| JPS6135135B2 (fr) | ||
| KR890000702B1 (ko) | 코발트-함유 자성 산화철 분말의 제조방법 | |
| JP2000302445A (ja) | 紡錘状ゲータイト粒子粉末、紡錘状ヘマタイト粒子粉末、及び鉄を主成分とする紡錘状金属磁性粒子粉末、並びにそれらの製造法 | |
| JPS6242859B2 (fr) | ||
| JPS6242858B2 (fr) | ||
| JP3264374B2 (ja) | 紡錘形を呈した鉄を主成分とする金属磁性粒子粉末の製造法 | |
| JPS6411577B2 (fr) | ||
| JPS6132259B2 (fr) | ||
| JP3166809B2 (ja) | 針状磁性酸化鉄粒子粉末の製造法 | |
| JPS6149252B2 (fr) | ||
| KR930011235B1 (ko) | 코발트함유 강자성 산화철 분말의 제조방법 | |
| JP2660714B2 (ja) | コバルト含有強磁性酸化鉄粉末の製造方法 | |
| JPS6411575B2 (fr) | ||
| JPS5879824A (ja) | コバルト含有酸化鉄磁性粉の製造法 | |
| JPH0425686B2 (fr) | ||
| JPS6034244B2 (ja) | 強磁性粉末の製造方法 | |
| JPH0377642B2 (fr) | ||
| JPS5853495B2 (ja) | 磁気記録媒体 | |
| JPS6364920A (ja) | 磁気記録用磁性粉末の製造法 |