JPS60149106A - 磁気記録体用六方晶系フエライト微粉末 - Google Patents
磁気記録体用六方晶系フエライト微粉末Info
- Publication number
- JPS60149106A JPS60149106A JP59140297A JP14029784A JPS60149106A JP S60149106 A JPS60149106 A JP S60149106A JP 59140297 A JP59140297 A JP 59140297A JP 14029784 A JP14029784 A JP 14029784A JP S60149106 A JPS60149106 A JP S60149106A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic recording
- coercive force
- recording
- powder
- 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
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 58
- 239000000843 powder Substances 0.000 title claims abstract description 34
- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 title abstract description 10
- 229910052745 lead Inorganic materials 0.000 claims abstract 2
- 238000000576 coating method Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 11
- 229910052788 barium Inorganic materials 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 7
- 229910052738 indium Inorganic materials 0.000 abstract description 6
- 238000004544 sputter deposition Methods 0.000 abstract description 3
- 229910020517 Co—Ti Inorganic materials 0.000 abstract 1
- 229910052758 niobium Inorganic materials 0.000 abstract 1
- 229910052720 vanadium Inorganic materials 0.000 abstract 1
- 230000005415 magnetization Effects 0.000 description 24
- 239000010410 layer Substances 0.000 description 20
- 239000013078 crystal Substances 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000010419 fine particle Substances 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 238000001035 drying Methods 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical group [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 4
- 239000006247 magnetic powder Substances 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- 238000005054 agglomeration Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000001493 electron microscopy Methods 0.000 description 2
- 239000010436 fluorite Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002471 indium Chemical class 0.000 description 2
- 150000002505 iron Chemical class 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- BQJCRHHNABKAKU-KBQPJGBKSA-N morphine Chemical compound O([C@H]1[C@H](C=C[C@H]23)O)C4=C5[C@@]12CCN(C)[C@@H]3CC5=CC=C4O BQJCRHHNABKAKU-KBQPJGBKSA-N 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000219112 Cucumis Species 0.000 description 1
- 235000015510 Cucumis melo subsp melo Nutrition 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- FJJCIZWZNKZHII-UHFFFAOYSA-N [4,6-bis(cyanoamino)-1,3,5-triazin-2-yl]cyanamide Chemical compound N#CNC1=NC(NC#N)=NC(NC#N)=N1 FJJCIZWZNKZHII-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002216 antistatic agent Substances 0.000 description 1
- OYLGJCQECKOTOL-UHFFFAOYSA-L barium fluoride Chemical compound [F-].[F-].[Ba+2] OYLGJCQECKOTOL-UHFFFAOYSA-L 0.000 description 1
- 229910001632 barium fluoride Inorganic materials 0.000 description 1
- 159000000009 barium salts Chemical class 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- NNSIWZRTNZEWMS-UHFFFAOYSA-N cobalt titanium Chemical group [Ti].[Co] NNSIWZRTNZEWMS-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- LKRFCKCBYVZXTC-UHFFFAOYSA-N dinitrooxyindiganyl nitrate Chemical class [In+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O LKRFCKCBYVZXTC-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000005293 ferrimagnetic effect Effects 0.000 description 1
- 230000005307 ferromagnetism Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 229960005181 morphine Drugs 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 229920006264 polyurethane film Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 150000003608 titanium Chemical class 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Landscapes
- Magnetic Record Carriers (AREA)
- Hard Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
- Paints Or Removers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59140297A JPS60149106A (ja) | 1984-07-06 | 1984-07-06 | 磁気記録体用六方晶系フエライト微粉末 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59140297A JPS60149106A (ja) | 1984-07-06 | 1984-07-06 | 磁気記録体用六方晶系フエライト微粉末 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP53157664A Division JPS6050323B2 (ja) | 1978-12-22 | 1978-12-22 | 高密度記録体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60149106A true JPS60149106A (ja) | 1985-08-06 |
| JPH036643B2 JPH036643B2 (enrdf_load_stackoverflow) | 1991-01-30 |
Family
ID=15265506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59140297A Granted JPS60149106A (ja) | 1984-07-06 | 1984-07-06 | 磁気記録体用六方晶系フエライト微粉末 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60149106A (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6355122A (ja) * | 1986-08-22 | 1988-03-09 | Toshiba Glass Co Ltd | 磁性粉末 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5586103A (en) * | 1978-12-22 | 1980-06-28 | Toshiba Corp | High density magnetic recording unit |
-
1984
- 1984-07-06 JP JP59140297A patent/JPS60149106A/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5586103A (en) * | 1978-12-22 | 1980-06-28 | Toshiba Corp | High density magnetic recording unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6355122A (ja) * | 1986-08-22 | 1988-03-09 | Toshiba Glass Co Ltd | 磁性粉末 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH036643B2 (enrdf_load_stackoverflow) | 1991-01-30 |