JPH0440844B2 - - Google Patents
Info
- Publication number
- JPH0440844B2 JPH0440844B2 JP61305006A JP30500686A JPH0440844B2 JP H0440844 B2 JPH0440844 B2 JP H0440844B2 JP 61305006 A JP61305006 A JP 61305006A JP 30500686 A JP30500686 A JP 30500686A JP H0440844 B2 JPH0440844 B2 JP H0440844B2
- Authority
- JP
- Japan
- Prior art keywords
- metal
- plate
- magnetoplumbite
- type ferrite
- ferrite fine
- 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 - Lifetime
Links
- 229910000859 α-Fe Inorganic materials 0.000 claims description 61
- 239000010419 fine particle Substances 0.000 claims description 47
- 239000002245 particle Substances 0.000 claims description 37
- 229910052751 metal Inorganic materials 0.000 claims description 34
- 239000002184 metal Substances 0.000 claims description 34
- 239000011701 zinc Substances 0.000 claims description 26
- 229910052725 zinc Inorganic materials 0.000 claims description 20
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 13
- 230000005291 magnetic effect Effects 0.000 claims description 13
- 239000007864 aqueous solution Substances 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 238000010335 hydrothermal treatment Methods 0.000 claims description 7
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- UGZADUVQMDAIAO-UHFFFAOYSA-L zinc hydroxide Chemical compound [OH-].[OH-].[Zn+2] UGZADUVQMDAIAO-UHFFFAOYSA-L 0.000 claims description 6
- 229940007718 zinc hydroxide Drugs 0.000 claims description 6
- 229910021511 zinc hydroxide Inorganic materials 0.000 claims description 6
- 238000010304 firing Methods 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- 239000000725 suspension Substances 0.000 claims description 5
- 229910001422 barium ion Inorganic materials 0.000 claims description 4
- 229910001427 strontium ion Inorganic materials 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 235000014413 iron hydroxide Nutrition 0.000 claims description 3
- NCNCGGDMXMBVIA-UHFFFAOYSA-L iron(ii) hydroxide Chemical compound [OH-].[OH-].[Fe+2] NCNCGGDMXMBVIA-UHFFFAOYSA-L 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
- 239000000843 powder Substances 0.000 description 26
- 239000010936 titanium Substances 0.000 description 26
- 230000005415 magnetization Effects 0.000 description 20
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 13
- 238000000034 method Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005294 ferromagnetic effect Effects 0.000 description 5
- 239000000696 magnetic material Substances 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 4
- 239000011135 tin Substances 0.000 description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 238000005245 sintering Methods 0.000 description 3
- 241000276425 Xiphophorus maculatus Species 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical compound [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000006104 solid solution Substances 0.000 description 2
- DHEQXMRUPNDRPG-UHFFFAOYSA-N strontium nitrate Chemical compound [Sr+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O DHEQXMRUPNDRPG-UHFFFAOYSA-N 0.000 description 2
- VNDYJBBGRKZCSX-UHFFFAOYSA-L zinc bromide Chemical compound Br[Zn]Br VNDYJBBGRKZCSX-UHFFFAOYSA-L 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- 235000005074 zinc chloride Nutrition 0.000 description 2
- UAYWVJHJZHQCIE-UHFFFAOYSA-L zinc iodide Chemical compound I[Zn]I UAYWVJHJZHQCIE-UHFFFAOYSA-L 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 1
- 229910009367 Zn M Inorganic materials 0.000 description 1
- 150000001242 acetic acid derivatives Chemical class 0.000 description 1
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
- 229910001626 barium chloride Inorganic materials 0.000 description 1
- RQPZNWPYLFFXCP-UHFFFAOYSA-L barium dihydroxide Chemical compound [OH-].[OH-].[Ba+2] RQPZNWPYLFFXCP-UHFFFAOYSA-L 0.000 description 1
- 229910001863 barium hydroxide Inorganic materials 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- TVQLLNFANZSCGY-UHFFFAOYSA-N disodium;dioxido(oxo)tin Chemical compound [Na+].[Na+].[O-][Sn]([O-])=O TVQLLNFANZSCGY-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000000635 electron micrograph Methods 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- MVFCKEFYUDZOCX-UHFFFAOYSA-N iron(2+);dinitrate Chemical compound [Fe+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MVFCKEFYUDZOCX-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010907 mechanical stirring Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- CMOAHYOGLLEOGO-UHFFFAOYSA-N oxozirconium;dihydrochloride Chemical compound Cl.Cl.[Zr]=O CMOAHYOGLLEOGO-UHFFFAOYSA-N 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 229940079864 sodium stannate Drugs 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- 229910001631 strontium chloride Inorganic materials 0.000 description 1
- AHBGXTDRMVNFER-UHFFFAOYSA-L strontium dichloride Chemical compound [Cl-].[Cl-].[Sr+2] AHBGXTDRMVNFER-UHFFFAOYSA-L 0.000 description 1
- UUCCCPNEFXQJEL-UHFFFAOYSA-L strontium dihydroxide Chemical compound [OH-].[OH-].[Sr+2] UUCCCPNEFXQJEL-UHFFFAOYSA-L 0.000 description 1
- 229910001866 strontium hydroxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- 229910000349 titanium oxysulfate Inorganic materials 0.000 description 1
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
- 229940102001 zinc bromide Drugs 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
Landscapes
- Compounds Of Iron (AREA)
- Hard Magnetic Materials (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61305006A JPS63156303A (ja) | 1986-12-19 | 1986-12-19 | 磁気記録用板状マグネトプランバイト型フェライト微粒子粉末の製造法 |
| US07/129,628 US4781981A (en) | 1986-12-19 | 1987-12-07 | Plate-like magnetoplumbite ferrite particles for magnetic recording and process for producing the same |
| EP87311207A EP0272148B1 (en) | 1986-12-19 | 1987-12-18 | Plate-like magnetoplumbite type ferrite particles for magnetic recording and process for producing the same |
| DE87311207T DE3788111T2 (de) | 1986-12-19 | 1987-12-18 | Plättchenförmige Ferritteilchen vom Magnetoplumbittyp für magnetische Aufzeichnung und Verfahren zur Herstellung derselben. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61305006A JPS63156303A (ja) | 1986-12-19 | 1986-12-19 | 磁気記録用板状マグネトプランバイト型フェライト微粒子粉末の製造法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63156303A JPS63156303A (ja) | 1988-06-29 |
| JPH0440844B2 true JPH0440844B2 (enrdf_load_stackoverflow) | 1992-07-06 |
Family
ID=17939946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61305006A Granted JPS63156303A (ja) | 1986-12-19 | 1986-12-19 | 磁気記録用板状マグネトプランバイト型フェライト微粒子粉末の製造法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63156303A (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63171418A (ja) * | 1987-01-09 | 1988-07-15 | Hitachi Maxell Ltd | 磁気記録媒体 |
| JPS63185003A (ja) * | 1987-01-27 | 1988-07-30 | Toshiba Glass Co Ltd | 磁気記録媒体用磁性粉 |
-
1986
- 1986-12-19 JP JP61305006A patent/JPS63156303A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63156303A (ja) | 1988-06-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |