JPH0219530B2 - - Google Patents
Info
- Publication number
- JPH0219530B2 JPH0219530B2 JP56067641A JP6764181A JPH0219530B2 JP H0219530 B2 JPH0219530 B2 JP H0219530B2 JP 56067641 A JP56067641 A JP 56067641A JP 6764181 A JP6764181 A JP 6764181A JP H0219530 B2 JPH0219530 B2 JP H0219530B2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- layer
- magnetic field
- recording
- ferromagnetic particles
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 149
- 239000002245 particle Substances 0.000 claims description 34
- 239000011248 coating agent Substances 0.000 claims description 32
- 238000000576 coating method Methods 0.000 claims description 32
- 238000001816 cooling Methods 0.000 claims description 28
- 230000005294 ferromagnetic effect Effects 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 19
- 239000011230 binding agent Substances 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 239000010410 layer Substances 0.000 description 47
- 229920001577 copolymer Polymers 0.000 description 13
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 239000000203 mixture Substances 0.000 description 11
- 229920005989 resin Polymers 0.000 description 11
- 239000011347 resin Substances 0.000 description 11
- 230000005415 magnetization Effects 0.000 description 10
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical class [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
- -1 etc.) Polymers 0.000 description 7
- 125000004432 carbon atom Chemical group C* 0.000 description 6
- 235000014113 dietary fatty acids Nutrition 0.000 description 6
- 229930195729 fatty acid Natural products 0.000 description 6
- 239000000194 fatty acid Substances 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910001566 austenite Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 150000004665 fatty acids Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 239000006249 magnetic particle Substances 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 125000005397 methacrylic acid ester group Chemical group 0.000 description 3
- 229920006122 polyamide resin Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 229920001747 Cellulose diacetate Polymers 0.000 description 2
- 229920002284 Cellulose triacetate Polymers 0.000 description 2
- 229910017061 Fe Co Inorganic materials 0.000 description 2
- 229920000877 Melamine resin Polymers 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 2
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Natural products C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 229920001807 Urea-formaldehyde Polymers 0.000 description 2
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 2
- 125000005396 acrylic acid ester group Chemical group 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 239000006229 carbon black Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- AYTAKQFHWFYBMA-UHFFFAOYSA-N chromium dioxide Chemical compound O=[Cr]=O AYTAKQFHWFYBMA-UHFFFAOYSA-N 0.000 description 2
- GHVNFZFCNZKVNT-UHFFFAOYSA-N decanoic acid Chemical compound CCCCCCCCCC(O)=O GHVNFZFCNZKVNT-UHFFFAOYSA-N 0.000 description 2
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 2
- ZQPPMHVWECSIRJ-MDZDMXLPSA-N elaidic acid Chemical compound CCCCCCCC\C=C\CCCCCCCC(O)=O ZQPPMHVWECSIRJ-MDZDMXLPSA-N 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000003302 ferromagnetic material Substances 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 2
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 2
- 229920001220 nitrocellulos Polymers 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- WWZKQHOCKIZLMA-UHFFFAOYSA-N octanoic acid Chemical compound CCCCCCCC(O)=O WWZKQHOCKIZLMA-UHFFFAOYSA-N 0.000 description 2
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 229920001225 polyester resin Polymers 0.000 description 2
- 239000004645 polyester resin Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- RGTIBVZDHOMOKC-UHFFFAOYSA-N stearolic acid Chemical compound CCCCCCCCC#CCCCCCCCC(O)=O RGTIBVZDHOMOKC-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- OYHQOLUKZRVURQ-NTGFUMLPSA-N (9Z,12Z)-9,10,12,13-tetratritiooctadeca-9,12-dienoic acid Chemical compound C(CCCCCCC\C(=C(/C\C(=C(/CCCCC)\[3H])\[3H])\[3H])\[3H])(=O)O OYHQOLUKZRVURQ-NTGFUMLPSA-N 0.000 description 1
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- IIZPXYDJLKNOIY-JXPKJXOSSA-N 1-palmitoyl-2-arachidonoyl-sn-glycero-3-phosphocholine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP([O-])(=O)OCC[N+](C)(C)C)OC(=O)CCC\C=C/C\C=C/C\C=C/C\C=C/CCCCC IIZPXYDJLKNOIY-JXPKJXOSSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000005632 Capric acid (CAS 334-48-5) Substances 0.000 description 1
- 239000005635 Caprylic acid (CAS 124-07-2) Substances 0.000 description 1
- DQEFEBPAPFSJLV-UHFFFAOYSA-N Cellulose propionate Chemical compound CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 DQEFEBPAPFSJLV-UHFFFAOYSA-N 0.000 description 1
- 229910020630 Co Ni Inorganic materials 0.000 description 1
- 229910002440 CoâNi Inorganic materials 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910015189 FeOx Inorganic materials 0.000 description 1
- 229910001030 Ironânickel alloy Inorganic materials 0.000 description 1
- 239000005639 Lauric acid Substances 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 229920006311 Urethane elastomer Polymers 0.000 description 1
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 1
- FJWGYAHXMCUOOM-QHOUIDNNSA-N [(2s,3r,4s,5r,6r)-2-[(2r,3r,4s,5r,6s)-4,5-dinitrooxy-2-(nitrooxymethyl)-6-[(2r,3r,4s,5r,6s)-4,5,6-trinitrooxy-2-(nitrooxymethyl)oxan-3-yl]oxyoxan-3-yl]oxy-3,5-dinitrooxy-6-(nitrooxymethyl)oxan-4-yl] nitrate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O)O[C@H]1[C@@H]([C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@@H](CO[N+]([O-])=O)O1)O[N+]([O-])=O)CO[N+](=O)[O-])[C@@H]1[C@@H](CO[N+]([O-])=O)O[C@@H](O[N+]([O-])=O)[C@H](O[N+]([O-])=O)[C@H]1O[N+]([O-])=O FJWGYAHXMCUOOM-QHOUIDNNSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- 150000001342 alkaline earth metals Chemical class 0.000 description 1
- 229920000180 alkyd Polymers 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 description 1
- 235000020661 alpha-linolenic acid Nutrition 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 229920003180 amino resin Polymers 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- NTXGQCSETZTARF-UHFFFAOYSA-N buta-1,3-diene;prop-2-enenitrile Chemical compound C=CC=C.C=CC#N NTXGQCSETZTARF-UHFFFAOYSA-N 0.000 description 1
- QHIWVLPBUQWDMQ-UHFFFAOYSA-N butyl prop-2-enoate;methyl 2-methylprop-2-enoate;prop-2-enoic acid Chemical compound OC(=O)C=C.COC(=O)C(C)=C.CCCCOC(=O)C=C QHIWVLPBUQWDMQ-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229920006217 cellulose acetate butyrate Polymers 0.000 description 1
- 229920006218 cellulose propionate Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004581 coalescence Methods 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
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 125000005442 diisocyanate group Chemical group 0.000 description 1
- 150000002009 diols Chemical class 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 239000000787 lecithin Substances 0.000 description 1
- 229940067606 lecithin Drugs 0.000 description 1
- 235000010445 lecithin Nutrition 0.000 description 1
- 229960004488 linolenic acid Drugs 0.000 description 1
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 description 1
- 229910052982 molybdenum disulfide Inorganic materials 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 229960002446 octanoic acid Drugs 0.000 description 1
- 229940049964 oleate Drugs 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910000889 permalloy Inorganic materials 0.000 description 1
- 229920001568 phenolic resin Polymers 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920005906 polyester polyol Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- TUNFSRHWOTWDNC-HKGQFRNVSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCC[14C](O)=O TUNFSRHWOTWDNC-HKGQFRNVSA-N 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- ITRNXVSDJBHYNJ-UHFFFAOYSA-N tungsten disulfide Chemical compound S=[W]=S ITRNXVSDJBHYNJ-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/852—Orientation in a magnetic field
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/68—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent
- G11B5/70—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer
- G11B5/716—Record carriers characterised by the selection of the material comprising one or more layers of magnetisable material homogeneously mixed with a bonding agent on a base layer characterised by two or more magnetic layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
- Y10T428/257—Iron oxide or aluminum oxide
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
Description
æ¬çºæã¯é«èšé²å¯åºŠã«ãããïŒïŒ®æ¯ã®é«ãæ°
èŠãªç£æ°èšé²åªäœã®è£œé æ¹æ³ã«é¢ãããã®ã§ã
ãã ãªãŒãã€ãªã«ã»ããã«ããããã€ãã¢ã€åãå°
åãããªã»ããŒãã«ãããäœéåãªã©ã®èŠæ±ã«ã
ãç£æ°ããŒãã®èšé²å¯åºŠïŒããŒããããçžå¯Ÿé
床ïŒèšé²ä¿¡å·ã®æé«åšæ³¢æ°ïŒã®åäžã®è©Šã¿ãç¶ã
ãããŠããããã®è©Šã¿ã®äžã«ã¯ç£æ§å±€ã®æç£åã
äžãããã®ãæ®çç£åãšæç£åãåæã«äžããã¡
ã¿ã«ã»ã«ã»ããã®ãããªãã®ããããã¯éå±€æ§é
ã®ç£æ§å±€ããã¡ãäžå±€ã«é«æç£åã®ç£æ§å±€ãé 眮
ãèšé²å¯åºŠã®é«ããšããã§ã®åºåãããã€ã€äœèš
é²å¯åºŠã®åºåã®äœäžãæãããã®ãææ¡ãããŠã
ãã ãŸããè¿å¹ŽãåçŽç£åèšé²ãšããèãæ¹ãå°å ¥
ãããç£æ°èšé²åªäœã®é¢ã«åçŽãªæ¹åã®æ®çç£å
æåãæå¹ã«äœ¿ããšããææ¡ãããããã®åçŽç£
åèšé²ã«ãããšäžã«å®çŸ©ããèšé²å¯åºŠãé«ããª
ããç£æ§å±€åããèšé²æ³¢é·ãå°ãããªããšèªå·±æž
ç£ïŒèªå·±ã®æ®çç£åã«ããçããïŒïŒ³æ¥µéã§ã
èªå·±ã®ç£åãšéåãã«èªå·±ã®ç£åãææ¶ãæ¹åã«
åãèªå·±æžç£å Žã«ããæ®çç£åã®æžå°ã§ããã
ïŒïŒ³æ¥µéã®è·é¢ãå°ãããªãã»ã©å€§ãããªãïŒ
ã«ããåºåäœäžã¯ãã以äžãªããªããé«èšé²å¯åºŠ
ã§èšé²æ³¢é·ãïŒã2Ό以äžãšãªãé åã§æå¹ã§ã
ããšããããŠããããã®åçŽç£åèšé²åªäœãšããŠ
ã¯ãçŸåšã¯CoâCråéã®ã¹ããã¿ãŒèã®ãããªã
ç¹ã«é¢ã«åçŽãªæ¹åã«ç£åãæãææãçšããã
ãŠããããŸããã®èã®äžã«äœæç£åã®ããŒããã€
ã§é¢å ã«ç£åãæãå±€ãèšããïŒå±€æ§æã®ãã®ã
ããããææãæäœçã«é£ç¹ãããã å¡åžåã®ç£æ§å±€ã§ãç£æ§é¢ã«å¹³è¡ã§ãªãæããŸ
ãã¯åçŽã®ç£åæåãå©çšããããšãããã®ã«ã
ç±³åœç¹èš±ç¬¬3185775æ现æžãå第3052567å·ãç¹å ¬
æ49â15203å·å ¬å ±èšèŒã®ãã®çããããããã
ãã«ãããŠããã€ãºã¬ãã«ãäŸç¶ãšããŠé«ããåº
åãäœããšããæ¬ ç¹ããã€ãã æ¬çºæã¯ãããåçŽç£åèšé²ã«ãããæ¹è¯ã«é¢
ãããåŸæ¥ãé·ãïŒå·Ÿæ¯ã®å€§ããéç¶ã®ç£æ§ç²å
ãçšããïŒå±€æ§é ãæããç£æ°ããŒãã¯ç¥ãããŠ
ãããäžå±€ã¯æ¯æäœé¢ã«å¹³è¡ã«é åãããäžå±€ã¯
é¢ã«åçŽã«é åããŠçæ³¢é·æ床ãåäžããããã
ãªæ§æãæ¡ãããŠããããçŸå®ã«ãç²åã®å¡åžä¹Ÿ
ç¥å·¥çšã«ãããŠéç¶ç²åãåçŽã«ç«ãŠãããšã¯å°
é£ã§ã也ç¥äžã®æº¶å€ã®èžçºã«äŒŽãæžåã«ããéç¶
ç²åã¯é¢ã«å¹³è¡ã«åããåŸåã«ããããã®åŸåã¯
圢ã®ç°æ¹æ§ã倧ãããã€ãŸãé·ãïŒå·Ÿæ¯ã倧ãªã
ãã®çšå€§ããã æ¬çºæã¯åœ¢ãšããŠã®ç°æ¹æ§ãšã¯
å¥ã«ãç£å Žå·åŽã«ããç²åã«å軞ç°æ¹æ§ãäžãã
ããšãã§ããããšã«çç®ãããã®ç£å Žå·åŽã«ãã
ç£æ°ç°æ¹æ§ã®æ¹åãèšé²é¢ã«åçŽã«ãªãããã«
ãããã®æè¡ãå€å±€æ§é ã®ç£æ°èšé²åªäœã«é©çšã
ããã®ã§ããã ããªãã¡æ¬çºæã¯çµåå€äžã«åŒ·ç£æ§ç²åãåæ£
ããããç£æ§å¡åžæ¶²ãéç£æ§æ¯æäœäžã«å¡åžãã
也ç¥ããããšã«ããïŒå±€ä»¥äžéå±€ããç£æ°èšé²å±€
ã圢æããç£æ°èšé²åªäœã®è£œé æ¹æ³ã«ãããŠãå
èšç£æ°èšé²å±€ã®æå€éšã®ç£æ§å±€ã®åŒ·ç£æ§ç²åãçµ
åå€äžã«åæ£ããããåã«ç£å Žå·åŽåŠçã«ããç£
æ°ç°æ¹æ§ãä»äžãããŠããããã€è©²æå€éšã®ç£æ§
å¡åžæ¶²ãå¡åžããåŸã也ç¥ããåã«è©²ç£æ°èšé²å±€
ã®èšé²é¢ãšåçŽãªæ¹åã®ç£çã«ããé ååŠçãæœ
ãããšã«ãã€ãŠè©²æå€éšã®ç£æ§å±€ã®åŒ·ç£æ§ç²åã®
ç£æ°ç°æ¹æ§ã®æ¹åãäž»ãšããŠèšé²é¢ã«åçŽãªãã
ããããšãç¹åŸŽãšããç£æ°èšé²åªäœã®è£œé æ¹æ³ã«
é¢ãããã®ã§ããã ãŸãæ¬çºæã¯çµåå€äžã«åŒ·ç£æ§ç²åãåæ£ãã
ããç£æ§å¡åžæ¶²ãéç£æ§æ¯æäœäžã«å¡åžãã也ç¥
ããããšã«ããïŒå±€ä»¥äžéå±€ããç£æ°èšé²å±€ã圢
æããç£æ°èšé²åªäœã®è£œé æ¹æ³ã«ãããŠãåèšç£
æ°èšé²å±€ã®æå€éšã®ç£æ§å±€ã®ä¹Ÿç¥åŸã«ãã®èšé²é¢
ãšåçŽãªæ¹åã®ç£çãããã€ã€åæã«ç£å Žå·åŽåŠ
çãæœãããšã«ãã€ãŠã該æå€éšã®ç£æ§å±€ã®åŒ·ç£
æ§ç²åã®ç£æ°ç°æ¹æ§ã®æ¹åãäž»ãšããŠèšé²é¢ã«å
çŽãªããããããšãç¹åŸŽãšããç£æ°èšé²åªäœã®è£œ
é æ¹æ³ã«é¢ãããã®ã§ããããã®åŸè ã®æ¹æ³ã«ã
ããŠãçµåå€äžã«åæ£ããããåã®åŒ·ç£æ°ç²åã«
ç£å Žå·åŽåŠçãæœããŠããããšã¯ãæ¬çºæã®ç¹ã«
奜ãŸããå®æœæ æ§ã§ããã ããã«æå€éšã®ç£æ§å±€ã®åŒ·ç£æ§ç²åãé·ãïŒå·Ÿ
æ¯ïŒä»¥äžã®ç²ç¶ç²åã§ããããšãæ¬çºæã®ç¹ã«å¥œ
ãŸããå®æœæ æ§ãšããŠæããããã æ¬çºæã®ç£æ°èšé²åªäœã®è£œé æ¹æ³ã¯ãç£æ°èšé²
å±€ã®æå€éšã®ç£æ§å±€äžã®åŒ·ç£æ§ç²åã®ç£æ°ç°æ¹æ§
ã®æ¹åãäž»ãšããŠèšé²é¢ã«åçŽã§ããã®ã§ãèšé²
é¢ã«åçŽãªæ¹åã«é åçšç£å ŽããããŠããåŸæ¥ã®
å¡åžåç£æ§å±€ã®ããã«åŒ·ç£æ§ç²åããã®å®¹æç£å
軞ãåèšé åçšç£å Žã®æ¹åã«åãããããã«åã
ããšãå°ãªãããã®ããã匷ç£æ§ç²åãç£æ§å±€å
ã§åé åããããšã«ããèšé²é¢ã®ãããé²æ¢ã§
ããé«å¯åºŠèšé²ã«æé©ãªç£æ°èšé²åªäœãåŸãããš
ãã§ããã æ¬çºæã«ãããæå€éšã®ç£æ§å±€ã«ã€ããŠã¯ã匷
ç£æ§ç²åãç£å Žå·åŽåŠçãä»ããããããã®ç£å Ž
å·åŽåŠçãšã¯åŒ·ç£æ§äœãé«æž©ç£å Žäžã«çœ®ããç£å Ž
ãããããŸãŸåŸã ã«å·ããããšã«ãããå°å ç£å Ž
ã®æ¹åã«ïŒè»žæ§ã®ç£æ°ç°æ¹æ§ãçããçŸè±¡ãæ
ãããã®æè¡ã«ã€ããŠã¯ãè¿è§ç·è§èã匷ç£æ§äœ
ã®ç©çãp.254ã267ïŒè£³è¯æ¿ãæå34幎ïŒæåïŒ
ã«èª¬æãçºãããŠããã ç£å Žå·åŽå¹æã瀺ãç©è³ªãšããŠã¯ãããšã©ã€
ããFeâCoãFeâNiåéãªã©åçš®ã®ãã®ãç¥ã
ããŠããããç¹ã«ç£å Žå·åŽå¹æã®é¡èãªãã®ã¯
Coãå«ãããšã©ã€ãã§ãããCoã0.3ã30ïŒ çšåºŠ
ã®ç¯å²ã§å«ããã®ã¯Coå«éã«ã»ãŒæ¯äŸããŠé«ã
æç£åããã¡ã200ã300â以äžã®æ¯èŒçäœæž©ã§ç£
å Žå·åŽå¹æããããããã«ããç£æ°ç°æ¹æ§ã宀枩
ä»è¿ã®äœ¿çšç°å¢ã§çŸããããCoãå«ãããšã©ã€
ãã®ç£å Žå·åŽã«ãããŠã¯ãFe++ã®ã³ã³ãããŒã«ã«
ããCoxFe++ (1-x)Fe2 +++O4ãªããCoxFe+++ (2-x)O3
âïœïŒïŒã®ç¯å²ã®ãã®ããŸãäžåŒã®CoïŒFe++ïŒFe+++ ã®äžéšãMnãã®ä»ã®éå±ã§çœ®æãããã®ãªã©ã
ãã§ã«åçš®ã®ææ¡ããããŠãããããããã¯ãã¡
ããæ¬çºæã«çšããããšãã§ããã ç£å Žå·åŽåŠçãæœããã¹ãç²åã®ãµã€ãºã¯2ÎŒ
以äžãããããã®åœ¢ç¶ã¯åããªãããç¹ã«é«èšé²
å¯åºŠã§ã®SNåäžãããããšãã«ã¯ç²åãµã€ãºã¯
0.3Ό以äžã圢ç¶ã¯é·ãïŒå·Ÿæ¯ãïŒã«è¿ããããã
ãç±³ç²ç¶ãªããç²ç¶ãæãŸããã ãŸãç£å Žå·åŽãè¡ã枩床ãæéã¯Coã®éãFe+
ïŒã®éããã®ä»æ·»å ç©ã®éã補é ã®å±¥æŽãªã©ã«ã
ã€ãŠå€ãããå®éšçã«BHã«ãŒãã®è§åæ¯ïŒBrïŒ
BmïŒã®åäžãç®å®ã«åã ã«æ±ºããããšãã§ã
ããããŒããšããŠåžžæž©ã§äœ¿ãããšãå€ãéåžžã®çš
éã§ã¯ç£å Žå·åŽã®å¹æã®ãã枩床ãå°ããšã50â
以äžã«ãããããªãã®ã奜ãŸãããããã§ãªããš
ä¿åäžã«æ¬çºæã®ç£å Žå·åŽå¹æã«ããæ¹ååãçµ
æãšå ±ã«æžè¡°ããã®ãæ©ãåŸåããã€ããã§ã
ãã ç£å Žå·åŽåŠçã¯ç²æ«ã®ç¶æ ã§ãããè¡ãããã®
åŸãçµåå€äžã«åæ£ãå¡çãã次ãã§é¢ã«åçŽãª
æ¹åã«é åããåŠçãè¡ãã®ãæ®éã§ããããå¡
åžã也ç¥åŸã®ç£æ°èšé²åªäœã«é¢ã«åçŽãªç£å Žãã
ãã€ã€ç£å Žå·åŽãããããšãã§ããã æ¬çºæã«ããã匷ç£æ§ç²åã®èšé²é¢ã«åçŽãªæ¹
åãžã®ç£å Žé ååŠçã¯ããœã¬ãã€ããé»ç£ç³ãæ°ž
ä¹ ç£ç³ã«ããçŽæµç£å Žããããã¯ããã«äº€æµç£å Ž
ãéç³ããããå¿ èŠã«å¿ããŠè¶ é³æ³¢ãè£å©çã«äœµ
çšããŠå¹æçãªé åãè¡ãããšãã§ããã æ¬çºæã®äžå±€éšã¯ãäžå±€ãšåçãŸãã¯ãããã
å°ããªæç£åããã€ãç£æ§å±€é¢å ã§èšé²æ¹åïŒäž
è¬ã«ã¯é·ãæ¹åïŒãåç€ç¶ã®ç£æ°èšé²åªäœã§ã¯å
åšæ¹åãå€ãïŒã«ç£åãæãããã«é åãããã
äžå±€ã«äœ¿ãç£æ§äœã¯äœèšé²å¯åºŠïŒèšé²ã®æå°åäœ
ã®å€§ãããäžå±€ã®åãããããçšåºŠã®ãã®ïŒã«ã
ããåçåºåãé«ãä¿ã€ããã«éžã°ããããã®ã
ãé·ãïŒå·Ÿæ¯ã倧ã§ãé·ãã0.3ÎŒããããç²åã
奜ãŸããçšãããããããã¡ããç£å Žå·åŽåŠçã®
å¹æã«ãã倧ããªç£æ°ç°æ¹æ§ãããããç²åãã
èšé²é¢å ãèšé²æ¹åã«é åãããã®ã䜿ãããšã
ã§ãããã®å Žåã¯å¿ ãããé·ãïŒå·Ÿæ¯ã倧ããã
ãšã¯å¿ èŠã§ãªãã æ¬çºæã«ãããŠç£æ°èšé²å±€ã¯ïŒå±€ãã倧ãå³ã¡
ïŒå±€ä»¥äžãšããããšãå¯èœã§ããã æ¬çºæã®äž
å±€éšã«çšãããã匷ç£æ§ç²åã®æ質ãšããŠã¯ãγ
âFe2O3ãFe3O4ããŸãã¯äžéé žå床ãæãã
FeOxïŒ1.33ïŒïœïŒ1.5ïŒãããããCoã§å€æ§ããé ž
åéãCrO2ãŸãã¯FeãFeâCoãFeâCoâNiãª
ã©ã®åŒ·ç£æ§éå±ãçšãããããã®ä»äžå±€éšã«çšã
ã匷ç£æ§ç²åãçšããããšãã§ããã ããã匷ç£æ§ç²åãåæ£ãããéç£æ§çµåå€ã
æ¯æäœã¯ãç£å Žå·åŽåŠçã«å¿ èŠãªéåžž100ã300â
ã®é«æž©ã«èãããã®ãéžã¶å¿ èŠããããçµåå€ãš
ããŠã¯ç±å¯å¡æ§æš¹èãç±ç¡¬åæ§æš¹èãŸãã¯åå¿å
æš¹èããããã®æ··åç©ã䜿çšãããã äžèšç±å¯å¡æ§æš¹èãšããŠã¯è»å枩床ã150â以
äžãå¹³åååéã10000ã200000ãéå床ãçŽ100
ã1000çšåºŠã®ãã®ã§ãäŸãã°å¡©åããã«é ¢é žãã
ã«å ±éåäœãå¡©åããã«å¡©åãããªãã³å ±éå
äœãå¡©åããã«ã¢ã¯ãªããããªã«å ±éåäœãã¢ã¯
ãªã«é žãšã¹ãã«ã¢ã¯ãªããããªã«å ±éåäœãã¢ã«
ãªã«é žãšã¹ãã«å¡©åãããªãã³å ±éåäœãã¢ã¯ãª
ã«é žãšã¹ãã«ã¹ãã¬ã³å ±éåäœãã¡ã¿ã¯ãªã«é žãš
ã¹ãã«ã¢ã¯ãªããããªã«å ±éåäœãã¡ã¿ã¯ãªã«é ž
ãšã¹ãã«å¡©åãããªãã³å ±éåäœãã¡ã¿ã¯ãªã«é ž
ãšã¹ãã«ã¹ãã¬ã³å ±éåäœããŠã¬ã¿ã³ãšã©ã¹ãã
ãŒãããªåŒåããã«ãå¡©åãããªãã³ã¢ã¯ãªãã
ããªã«å ±éåäœããã¿ãžãšã³ã¢ã¯ãªããããªã«å ±
éåäœãããªã¢ããæš¹èãããªããã«ããã©ãŒ
ã«ãã»ã«ããŒã¹èªå°äœïŒã»ã«ããŒã¹ã¢ã»ããŒãã
ãã¬ãŒããã»ã«ããŒã¹ãã€ã¢ã»ããŒããã»ã«ããŒ
ã¹ããªã¢ã»ããŒããã»ã«ããŒã¹ããããªããŒãã
ãããã»ã«ããŒã¹çïŒãã¹ãã¬ã³ãã¿ãžãšã³å ±é
åäœãããªãšã¹ãã«æš¹èãã¯ããããã«ãšãŒãã«
ã¢ã¯ãªã«é žãšã¹ãã«å ±éåäœãã¢ããæš¹èãåçš®
ã®åæãŽã ç³»ã®ç±å¯å¡æ§æš¹èåã³ãããã®æ··åç©
çã䜿çšãããã ç±ç¡¬åæ§æš¹èåã¯åå¿åæš¹èãšããŠã¯å¡åžæ¶²ã®
ç¶æ ã§ã¯200000以äžã®ååéã§ãããå¡åžã也ç¥
åŸã«å ç±ããããšã«ãããçž®åãä»å çã®åå¿ã«
ããååéã¯ç¡é倧ã®ãã®ãšãªããåããããã®
æš¹èã®ãªãã§ãæš¹èãç±å解ãããŸã§ã®éã«è»å
åã¯æº¶èããªããã®ã奜ãŸãããå ·äœçã«ã¯äŸã
ã°ããšããŒã«æš¹èããšããã·æš¹èãããªãŠã¬ã¿ã³
硬ååæš¹èãå°¿çŽ æš¹èãã¡ã©ãã³æš¹èãã¢ã«ãã
ãæš¹èãã·ãªã³ã³æš¹èãã¢ã¯ãªã«ç³»åå¿æš¹èããš
ããã·âããªã¢ããæš¹èããããã»ã«ããŒã¹ã¡ã©
ãã³æš¹èãé«ååéããªãšã¹ãã«æš¹èãšã€ãœã·ã¢
ããŒããã¬ããªããŒã®æ··åç©ãã¡ã¿ã¯ãªã«é žå¡©å ±
éåäœãšãžã€ãœã·ã¢ããŒããã¬ããªããŒã®æ··å
ç©ãããªãšã¹ãã«ããªãªãŒã«ãšããªã€ãœã·ã¢ããŒ
ãã®æ··åç©ãå°¿çŽ ãã«ã ã¢ã«ãããæš¹èãäœåå
éã°ãªã³ãŒã«ïŒé«ååéãžãªãŒã«ïŒããªããšãã«
ã¡ã¿ã³ããªã€ãœã·ã¢ããŒãã®æ··åç©ãããªã¢ãã³
æš¹èåã³ãããã®æ··åç©çã§ããã ãããã®çµåå€ã®åç¬åã¯çµåãããããã®ã
䜿ãããä»ã«æ·»å å€ãå ããããã匷ç£æ§ç²æ«ãš
çµåå€ãšã®æ··åå²åã¯ééæ¯ã§åŒ·ç£æ§ç²æ«100é
ééšã«å¯ŸããŠçµåå€10ã200éééšã®ç¯å²ã§äœ¿çš
ãããã æ·»å å€ã¯åæ£å€ã最æ»å€ãç 磚å€çãå ããã
ãã åæ£å€ãšããŠã¯ã«ããªã«é žãã«ããªã³é žãã©ãŠ
ãªã³é žãããªã¹ãã³é žããã«ããã³é žãã¹ãã¢ãª
ã³é žããªã¬ã€ã³é žããšã©ã€ãžã³é žããªããŒã«é žã
ãªãã¬ã³é žãã¹ãã¢ããŒã«é žçã®ççŽ æ°12ã18å
ã®èèªé žïŒR1COOHãR1ã¯çé žæ°11ã17åã®ã¢
ã«ãã«åºïŒãåèšã®èèªé žã®ã¢ã«ãã«éå±ïŒLiã
NaãçïŒãŸãã¯ã¢ã«ã«ãªåé¡éå±ïŒMgãCaã
BaçïŒããæãéå±ç³é¹žïŒã¬ã·ãã³çã䜿çšã
ããããã®ä»ã«ççŽ æ°12以äžã®é«çŽã¢ã«ã³ãŒã«ã
ããã³ãããã®ç¡«é žãšã¹ãã«çã䜿çšå¯èœã§ã
ãããããã®åæ£å€ã¯çµåå€100éééšã«å¯ŸããŠ
ïŒã20éééšã®ç¯å²ã§æ·»å ãããã 最æ»å€ãšããŠã¯ã·ãªã³ã³ãªã€ã«ãã°ã©ãã¢ã€
ããäºç¡«åã¢ãªããã³ãäºç¡«åã¿ã³ã°ã¹ãã³ãç
çŽ æ°12ã16åã®äžå¡©åºæ§èèªé žãšççŽ æ°ïŒã12å
ã®äžäŸ¡ã®ã¢ã«ã³ãŒã«ããæãèèªé žãšã¹ãã«é¡ã
ççŽ æ°17å以äžã®äžå¡©åºæ§èèªé žãšè©²èèªé žã®ç
çŽ æ°ãšåèšããŠççŽ æ°ã21ã23åãšæãäžäŸ¡ã®ã¢
ã«ã³ãŒã«ããæãèèªé žãšã¹ãã«çã䜿çšã§ã
ãããããã®æœ€æ»å€ã¯çµåå€100éééšã«å¯Ÿã0.2
ã20éééšã®ç¯å²ã§æ·»å ãããã ç£æ°èšé²å±€ã®åœ¢æã¯äžèšã®çµæã§ææ©æº¶åªã«æº¶
解ããå¡åžæº¶æ¶²ãšããŠéç£æ§æ¯æäœäžã«å¡åžã
ãã ãã®æ¯æäœã¯çŽ æãšããŠã¯ããªãšãã¬ã³ãã¬ã
ã¿ã¬ãŒããããªãšãã¬ã³âïŒïŒïŒâããã¿ã¬ãŒã
çã®ããªãšã¹ãã«é¡ãããªãããã¬ã³çã®ããªãª
ã¬ãã€ã³é¡ãã»ã«ããŒã¹ããªã¢ã»ããŒããã»ã«ã
ãŒã¹ãã€ã¢ã»ããŒãçã®ã»ã«ããŒã¹èªå°äœãããª
ã«ãŒãããŒããªã©ã®ãã©ã¹ããã¯ãCuãAlãZn
ãªã©ã®éç£æ§éå±ãã¬ã©ã¹ãç£åšãé¶åšçã®ã»ã©
ããã¯ãªã©ã䜿çšãããã ãããã®éç£æ§æ¯æäœã®åã¿ã¯ãã€ã«ã ãã·ãŒ
ãç¶ã®å Žåã¯çŽïŒã100ÎŒmçšåºŠå¥œãŸããã¯ïŒã
50ÎŒmã§ããããã€ã¹ã¯ãã«ãŒãç¶ã®å Žåã¯0.5ã
10mmçšåºŠã§ããããã©ã ç¶ã®å Žåã¯åçç¶ãšãã
䜿çšããã¬ã³ãŒããŒã«å¿ããŠãã®åã¯æ±ºããã
ãã æ¯æäœäžãžåèšã®ç£æ°èšé²å±€ãå¡åžããæ¹æ³ãš
ããŠã¯ãšã¢ãŒãã¯ã¿ãŒã³ãŒãããã¬ãŒãã³ãŒãã
ãšã¢ãã€ãã³ãŒããã¹ã¯ã€ãºã³ãŒããå«æµžã³ãŒ
ãããªããŒã¹ããŒã«ã³ãŒãããã©ã³ã¹ãã¢ãŒããŒ
ã«ã³ãŒããã°ã©ãã€ã³ãŒãããã¹ã³ãŒãããã€ã¹
ãã³ãŒããã¹ãã¬ã€ã³ãŒãçãå©çšåºæ¥ããã®ä»
ã®æ¹æ³ãå¯èœã§ããããããã®å ·äœç説æã¯æå
æžåºçºè¡ã®ãã³ãŒãã€ã³ã°å·¥åŠã253é ã277é
ïŒæå46.3.20çºè¡ïŒã«è©³çŽ°ã«èšèŒãããŠããã äžãäžå±€ã®åã¿ã«ã€ããŠã¯çšéã«ããé©åœãªå
ã¿ãéžã¹ã°ããããäžè¬ã«ã¯äžå±€0.5ã3ÎŒãäžå±€
ïŒã5ÎŒçšåºŠã䜿ãæããäžå±€ã«ã¡ãããŸãã¯èž
çã«ãã匷ç£æ§å±€ãèšãããšãã«ã¯0.1ã2ÎŒãå¯
èœã§ããã å®æœäŸ ïŒ ç¡«é žç¬¬äžé266éééšãç¡«é žã³ãã«ã14éééš
ãæ°Ž1000éééšã«ãšããããã®ãïŒæ¶²ãšããèæ§
ãœãŒã120éééšãæ°Ž1500éééšã«æº¶ããããã®
ã液ãšããç¡é žã¢ã³ã¢ããŠã 30éééšãæ°Ž100
éééšã«æº¶ããã液ãOX液ãšããã ïŒæ¶²ãšïŒ¡æ¶²ã40âã«å ç±ãã液ãæ¬æãã€ã€
ïŒæ¶²ãå ããæŽã«OX液ãå ããŠæ°Žæž©ãæŽã«80â
ãŸã§ææž©ããããçŽ30åãåå¿ãç¶ç¶ããŠé»è²ã®
Coãå«ããã°ãã¿ã€ãç²æ«ãåŸãããã®ãµã³ã
ã«ãçªçŽ é°å²æ°äžã§200âãïŒæéãç±åŠçããã ãã®ãµã³ãã«ã200âã§2000ã¬ãŠã¹ã®ç£å Žäžã§
30ååŠçããïŒâïŒåã§åŸå·ããã 以äžã®èª¿æŽããããµã³ãã«ãçšãã次ã®ãããª
ç£æ§å¡åžæ¶²ã調æŽããã ç£å Žå·åŽåŠçãæœãã 匷ç£æ§é žåé å¡©é ¢ãå ±éåäœ ã¢ã¯ãªã«æš¹è ã«ãŒãã³ãã©ã㯠ã·ãªã³ã³ãªã€ã« ã¢ãã«ã¹ãã¢ã¬ãŒã ã¡ãã«ãšãã«ã±ãã³ 100éééš 27éééš ïŒéééš ïŒéééš ïŒéééš 0.2éééš 180éééš ãã®ç£æ§å¡åžæ¶²ãããŒã«ãã«ã§ååãåæ£
ãã22ÎŒã®ããªãšã¹ãã«ããŒã¹äžã«ä¹Ÿç¥åã5ÎŒãš
ãªãããã«å¡åžãã800ã¬ãŠã¹ã®åçŽæ¹åã®ç£ç
ã®çããŠããç£æ¥µéãéãããã®äžã§å€§éšåã®ä¹Ÿ
ç¥ãè¡ãªããããããç±é¢šãéã也ç¥ãè¡ããã
ã®ãµã³ãã«ãäŸïŒãšããã å¥ã«é·ã0.5ÎŒãé·ãïŒå·Ÿæ¯12ã®éåžžç£æ°ããŒã
ã«äžè¬çã«äœ¿ãããŠããéç¶Î³âFe2O3ãæºå
ãã以äžã«ããç£æ§å¡åžæ¶²ãã€ãã€ãã γâFe2O3 å¡©é ¢ãå ±éåäœ ãšããã·æš¹è ããªã¢ããæš¹è ã«ãŒãã³ãã©ã㯠ãªã¬ã€ã³é ž ã¡ãã«ãšãã«ã±ãã³ 100éééš 15éééš ïŒéééš ïŒéééš ïŒéééš ïŒéééš 200éééš ãã®ç£æ§å¡åžæ¶²ã22ÎŒåã®ããªãšã¹ãã«ããŒ
ã¹äžã«ä¹Ÿç¥åã4ÎŒãšãªãããã«å¡åžãããŠãšã
ã®é¢å ãé·ææ¹åã«åžžæ³ã«ããç£å Žé åãæœã
ãã也ç¥åŸã«ã¬ã³ããŒåŠçãè¡ãè¡šé¢ãå¹³æ»åã
ãã®ã¡ãç£æ§å¡åžæ¶²ããã®äžã«ä¹Ÿç¥åã¿ã1ÎŒ
ã«ãªãããã«å¡åžãã800Gã®åçŽç£å Žäžã§æ®ã
ã©ä¹Ÿç¥ãçµãããã«ããŠç£æ°ããŒããã€ãããã
ããäŸïŒãšããã æ¯èŒã®ããç£æ§å¡åžæ¶²ã«ãããŠãç£æ§äœãç£
æ§å¡åžæ¶²ã§çšããéç¶Î³âFe2O3ãšãããã®
ïŒç£æ§å¡åžæ¶²â²ãšããïŒããäžãšåæ§ã«ç£æ§å¡åž
液4ÎŒå¡åžããäžã«1ÎŒå¡åžãããã®ãã€ãã€ãŠ
ãããäŸïŒãšããã 以äžã®ãµã³ãã«ã¯ããããåã³ã«ã¬ã³ããŒåŠç
ãæœããåŸïŒïŒ2â³å·Ÿã«ã¹ãªãããã以äžã®æž¬å®ã
è¡ãããã®ç¹æ§ãã¿ãçµæã第ïŒè¡šã«ç€ºãã è¡šã®BrïŒBmæ¯ã¯ãæ¯åè©Šæåç£æèšïŒæ±è±å·¥
æ¥è£œïŒã«ããç£æ°ããŒãã®é¢ã«åçŽã®æ¹åã«ã¯ã
ã€ããBHã«ãŒãã®é£œåç£æå¯åºŠã«å¯Ÿããæ®çç£
æå¯åºŠã®æ¯ã§ãããïŒïŒ¢ã¯ç£æ°ããŒãã®åçåº
åã§ãããã¯èšé²æ³¢é·ïŒä¿¡å·åšæ³¢æ°ã§ããããš
ããŒãã®çžå¯Ÿé床ããã€ãå€ïŒãçã1ÎŒã§ã®åº
åãã¯ïŒ¡ã«ãããŠä¿¡å·ïŒ3MHzïŒã®åçåºåãš
ãã®ä¿¡å·ãã1MHzã¯ãªãããšããïŒãããã€ãŠ
2MHzïŒã§ã®ãã€ãºã¬ãã«ãšã®æ¯ãã¯æ¯èŒçé·
èšé²æ³¢é·ã®100ÎŒã«ãããåçåºåã§ãããïŒ
ïŒïŒ£åã dBåäœã§è¡šããããã®ã§ããã
èŠãªç£æ°èšé²åªäœã®è£œé æ¹æ³ã«é¢ãããã®ã§ã
ãã ãªãŒãã€ãªã«ã»ããã«ããããã€ãã¢ã€åãå°
åãããªã»ããŒãã«ãããäœéåãªã©ã®èŠæ±ã«ã
ãç£æ°ããŒãã®èšé²å¯åºŠïŒããŒããããçžå¯Ÿé
床ïŒèšé²ä¿¡å·ã®æé«åšæ³¢æ°ïŒã®åäžã®è©Šã¿ãç¶ã
ãããŠããããã®è©Šã¿ã®äžã«ã¯ç£æ§å±€ã®æç£åã
äžãããã®ãæ®çç£åãšæç£åãåæã«äžããã¡
ã¿ã«ã»ã«ã»ããã®ãããªãã®ããããã¯éå±€æ§é
ã®ç£æ§å±€ããã¡ãäžå±€ã«é«æç£åã®ç£æ§å±€ãé 眮
ãèšé²å¯åºŠã®é«ããšããã§ã®åºåãããã€ã€äœèš
é²å¯åºŠã®åºåã®äœäžãæãããã®ãææ¡ãããŠã
ãã ãŸããè¿å¹ŽãåçŽç£åèšé²ãšããèãæ¹ãå°å ¥
ãããç£æ°èšé²åªäœã®é¢ã«åçŽãªæ¹åã®æ®çç£å
æåãæå¹ã«äœ¿ããšããææ¡ãããããã®åçŽç£
åèšé²ã«ãããšäžã«å®çŸ©ããèšé²å¯åºŠãé«ããª
ããç£æ§å±€åããèšé²æ³¢é·ãå°ãããªããšèªå·±æž
ç£ïŒèªå·±ã®æ®çç£åã«ããçããïŒïŒ³æ¥µéã§ã
èªå·±ã®ç£åãšéåãã«èªå·±ã®ç£åãææ¶ãæ¹åã«
åãèªå·±æžç£å Žã«ããæ®çç£åã®æžå°ã§ããã
ïŒïŒ³æ¥µéã®è·é¢ãå°ãããªãã»ã©å€§ãããªãïŒ
ã«ããåºåäœäžã¯ãã以äžãªããªããé«èšé²å¯åºŠ
ã§èšé²æ³¢é·ãïŒã2Ό以äžãšãªãé åã§æå¹ã§ã
ããšããããŠããããã®åçŽç£åèšé²åªäœãšããŠ
ã¯ãçŸåšã¯CoâCråéã®ã¹ããã¿ãŒèã®ãããªã
ç¹ã«é¢ã«åçŽãªæ¹åã«ç£åãæãææãçšããã
ãŠããããŸããã®èã®äžã«äœæç£åã®ããŒããã€
ã§é¢å ã«ç£åãæãå±€ãèšããïŒå±€æ§æã®ãã®ã
ããããææãæäœçã«é£ç¹ãããã å¡åžåã®ç£æ§å±€ã§ãç£æ§é¢ã«å¹³è¡ã§ãªãæããŸ
ãã¯åçŽã®ç£åæåãå©çšããããšãããã®ã«ã
ç±³åœç¹èš±ç¬¬3185775æ现æžãå第3052567å·ãç¹å ¬
æ49â15203å·å ¬å ±èšèŒã®ãã®çããããããã
ãã«ãããŠããã€ãºã¬ãã«ãäŸç¶ãšããŠé«ããåº
åãäœããšããæ¬ ç¹ããã€ãã æ¬çºæã¯ãããåçŽç£åèšé²ã«ãããæ¹è¯ã«é¢
ãããåŸæ¥ãé·ãïŒå·Ÿæ¯ã®å€§ããéç¶ã®ç£æ§ç²å
ãçšããïŒå±€æ§é ãæããç£æ°ããŒãã¯ç¥ãããŠ
ãããäžå±€ã¯æ¯æäœé¢ã«å¹³è¡ã«é åãããäžå±€ã¯
é¢ã«åçŽã«é åããŠçæ³¢é·æ床ãåäžããããã
ãªæ§æãæ¡ãããŠããããçŸå®ã«ãç²åã®å¡åžä¹Ÿ
ç¥å·¥çšã«ãããŠéç¶ç²åãåçŽã«ç«ãŠãããšã¯å°
é£ã§ã也ç¥äžã®æº¶å€ã®èžçºã«äŒŽãæžåã«ããéç¶
ç²åã¯é¢ã«å¹³è¡ã«åããåŸåã«ããããã®åŸåã¯
圢ã®ç°æ¹æ§ã倧ãããã€ãŸãé·ãïŒå·Ÿæ¯ã倧ãªã
ãã®çšå€§ããã æ¬çºæã¯åœ¢ãšããŠã®ç°æ¹æ§ãšã¯
å¥ã«ãç£å Žå·åŽã«ããç²åã«å軞ç°æ¹æ§ãäžãã
ããšãã§ããããšã«çç®ãããã®ç£å Žå·åŽã«ãã
ç£æ°ç°æ¹æ§ã®æ¹åãèšé²é¢ã«åçŽã«ãªãããã«
ãããã®æè¡ãå€å±€æ§é ã®ç£æ°èšé²åªäœã«é©çšã
ããã®ã§ããã ããªãã¡æ¬çºæã¯çµåå€äžã«åŒ·ç£æ§ç²åãåæ£
ããããç£æ§å¡åžæ¶²ãéç£æ§æ¯æäœäžã«å¡åžãã
也ç¥ããããšã«ããïŒå±€ä»¥äžéå±€ããç£æ°èšé²å±€
ã圢æããç£æ°èšé²åªäœã®è£œé æ¹æ³ã«ãããŠãå
èšç£æ°èšé²å±€ã®æå€éšã®ç£æ§å±€ã®åŒ·ç£æ§ç²åãçµ
åå€äžã«åæ£ããããåã«ç£å Žå·åŽåŠçã«ããç£
æ°ç°æ¹æ§ãä»äžãããŠããããã€è©²æå€éšã®ç£æ§
å¡åžæ¶²ãå¡åžããåŸã也ç¥ããåã«è©²ç£æ°èšé²å±€
ã®èšé²é¢ãšåçŽãªæ¹åã®ç£çã«ããé ååŠçãæœ
ãããšã«ãã€ãŠè©²æå€éšã®ç£æ§å±€ã®åŒ·ç£æ§ç²åã®
ç£æ°ç°æ¹æ§ã®æ¹åãäž»ãšããŠèšé²é¢ã«åçŽãªãã
ããããšãç¹åŸŽãšããç£æ°èšé²åªäœã®è£œé æ¹æ³ã«
é¢ãããã®ã§ããã ãŸãæ¬çºæã¯çµåå€äžã«åŒ·ç£æ§ç²åãåæ£ãã
ããç£æ§å¡åžæ¶²ãéç£æ§æ¯æäœäžã«å¡åžãã也ç¥
ããããšã«ããïŒå±€ä»¥äžéå±€ããç£æ°èšé²å±€ã圢
æããç£æ°èšé²åªäœã®è£œé æ¹æ³ã«ãããŠãåèšç£
æ°èšé²å±€ã®æå€éšã®ç£æ§å±€ã®ä¹Ÿç¥åŸã«ãã®èšé²é¢
ãšåçŽãªæ¹åã®ç£çãããã€ã€åæã«ç£å Žå·åŽåŠ
çãæœãããšã«ãã€ãŠã該æå€éšã®ç£æ§å±€ã®åŒ·ç£
æ§ç²åã®ç£æ°ç°æ¹æ§ã®æ¹åãäž»ãšããŠèšé²é¢ã«å
çŽãªããããããšãç¹åŸŽãšããç£æ°èšé²åªäœã®è£œ
é æ¹æ³ã«é¢ãããã®ã§ããããã®åŸè ã®æ¹æ³ã«ã
ããŠãçµåå€äžã«åæ£ããããåã®åŒ·ç£æ°ç²åã«
ç£å Žå·åŽåŠçãæœããŠããããšã¯ãæ¬çºæã®ç¹ã«
奜ãŸããå®æœæ æ§ã§ããã ããã«æå€éšã®ç£æ§å±€ã®åŒ·ç£æ§ç²åãé·ãïŒå·Ÿ
æ¯ïŒä»¥äžã®ç²ç¶ç²åã§ããããšãæ¬çºæã®ç¹ã«å¥œ
ãŸããå®æœæ æ§ãšããŠæããããã æ¬çºæã®ç£æ°èšé²åªäœã®è£œé æ¹æ³ã¯ãç£æ°èšé²
å±€ã®æå€éšã®ç£æ§å±€äžã®åŒ·ç£æ§ç²åã®ç£æ°ç°æ¹æ§
ã®æ¹åãäž»ãšããŠèšé²é¢ã«åçŽã§ããã®ã§ãèšé²
é¢ã«åçŽãªæ¹åã«é åçšç£å ŽããããŠããåŸæ¥ã®
å¡åžåç£æ§å±€ã®ããã«åŒ·ç£æ§ç²åããã®å®¹æç£å
軞ãåèšé åçšç£å Žã®æ¹åã«åãããããã«åã
ããšãå°ãªãããã®ããã匷ç£æ§ç²åãç£æ§å±€å
ã§åé åããããšã«ããèšé²é¢ã®ãããé²æ¢ã§
ããé«å¯åºŠèšé²ã«æé©ãªç£æ°èšé²åªäœãåŸãããš
ãã§ããã æ¬çºæã«ãããæå€éšã®ç£æ§å±€ã«ã€ããŠã¯ã匷
ç£æ§ç²åãç£å Žå·åŽåŠçãä»ããããããã®ç£å Ž
å·åŽåŠçãšã¯åŒ·ç£æ§äœãé«æž©ç£å Žäžã«çœ®ããç£å Ž
ãããããŸãŸåŸã ã«å·ããããšã«ãããå°å ç£å Ž
ã®æ¹åã«ïŒè»žæ§ã®ç£æ°ç°æ¹æ§ãçããçŸè±¡ãæ
ãããã®æè¡ã«ã€ããŠã¯ãè¿è§ç·è§èã匷ç£æ§äœ
ã®ç©çãp.254ã267ïŒè£³è¯æ¿ãæå34幎ïŒæåïŒ
ã«èª¬æãçºãããŠããã ç£å Žå·åŽå¹æã瀺ãç©è³ªãšããŠã¯ãããšã©ã€
ããFeâCoãFeâNiåéãªã©åçš®ã®ãã®ãç¥ã
ããŠããããç¹ã«ç£å Žå·åŽå¹æã®é¡èãªãã®ã¯
Coãå«ãããšã©ã€ãã§ãããCoã0.3ã30ïŒ çšåºŠ
ã®ç¯å²ã§å«ããã®ã¯Coå«éã«ã»ãŒæ¯äŸããŠé«ã
æç£åããã¡ã200ã300â以äžã®æ¯èŒçäœæž©ã§ç£
å Žå·åŽå¹æããããããã«ããç£æ°ç°æ¹æ§ã宀枩
ä»è¿ã®äœ¿çšç°å¢ã§çŸããããCoãå«ãããšã©ã€
ãã®ç£å Žå·åŽã«ãããŠã¯ãFe++ã®ã³ã³ãããŒã«ã«
ããCoxFe++ (1-x)Fe2 +++O4ãªããCoxFe+++ (2-x)O3
âïœïŒïŒã®ç¯å²ã®ãã®ããŸãäžåŒã®CoïŒFe++ïŒFe+++ ã®äžéšãMnãã®ä»ã®éå±ã§çœ®æãããã®ãªã©ã
ãã§ã«åçš®ã®ææ¡ããããŠãããããããã¯ãã¡
ããæ¬çºæã«çšããããšãã§ããã ç£å Žå·åŽåŠçãæœããã¹ãç²åã®ãµã€ãºã¯2ÎŒ
以äžãããããã®åœ¢ç¶ã¯åããªãããç¹ã«é«èšé²
å¯åºŠã§ã®SNåäžãããããšãã«ã¯ç²åãµã€ãºã¯
0.3Ό以äžã圢ç¶ã¯é·ãïŒå·Ÿæ¯ãïŒã«è¿ããããã
ãç±³ç²ç¶ãªããç²ç¶ãæãŸããã ãŸãç£å Žå·åŽãè¡ã枩床ãæéã¯Coã®éãFe+
ïŒã®éããã®ä»æ·»å ç©ã®éã補é ã®å±¥æŽãªã©ã«ã
ã€ãŠå€ãããå®éšçã«BHã«ãŒãã®è§åæ¯ïŒBrïŒ
BmïŒã®åäžãç®å®ã«åã ã«æ±ºããããšãã§ã
ããããŒããšããŠåžžæž©ã§äœ¿ãããšãå€ãéåžžã®çš
éã§ã¯ç£å Žå·åŽã®å¹æã®ãã枩床ãå°ããšã50â
以äžã«ãããããªãã®ã奜ãŸãããããã§ãªããš
ä¿åäžã«æ¬çºæã®ç£å Žå·åŽå¹æã«ããæ¹ååãçµ
æãšå ±ã«æžè¡°ããã®ãæ©ãåŸåããã€ããã§ã
ãã ç£å Žå·åŽåŠçã¯ç²æ«ã®ç¶æ ã§ãããè¡ãããã®
åŸãçµåå€äžã«åæ£ãå¡çãã次ãã§é¢ã«åçŽãª
æ¹åã«é åããåŠçãè¡ãã®ãæ®éã§ããããå¡
åžã也ç¥åŸã®ç£æ°èšé²åªäœã«é¢ã«åçŽãªç£å Žãã
ãã€ã€ç£å Žå·åŽãããããšãã§ããã æ¬çºæã«ããã匷ç£æ§ç²åã®èšé²é¢ã«åçŽãªæ¹
åãžã®ç£å Žé ååŠçã¯ããœã¬ãã€ããé»ç£ç³ãæ°ž
ä¹ ç£ç³ã«ããçŽæµç£å Žããããã¯ããã«äº€æµç£å Ž
ãéç³ããããå¿ èŠã«å¿ããŠè¶ é³æ³¢ãè£å©çã«äœµ
çšããŠå¹æçãªé åãè¡ãããšãã§ããã æ¬çºæã®äžå±€éšã¯ãäžå±€ãšåçãŸãã¯ãããã
å°ããªæç£åããã€ãç£æ§å±€é¢å ã§èšé²æ¹åïŒäž
è¬ã«ã¯é·ãæ¹åïŒãåç€ç¶ã®ç£æ°èšé²åªäœã§ã¯å
åšæ¹åãå€ãïŒã«ç£åãæãããã«é åãããã
äžå±€ã«äœ¿ãç£æ§äœã¯äœèšé²å¯åºŠïŒèšé²ã®æå°åäœ
ã®å€§ãããäžå±€ã®åãããããçšåºŠã®ãã®ïŒã«ã
ããåçåºåãé«ãä¿ã€ããã«éžã°ããããã®ã
ãé·ãïŒå·Ÿæ¯ã倧ã§ãé·ãã0.3ÎŒããããç²åã
奜ãŸããçšãããããããã¡ããç£å Žå·åŽåŠçã®
å¹æã«ãã倧ããªç£æ°ç°æ¹æ§ãããããç²åãã
èšé²é¢å ãèšé²æ¹åã«é åãããã®ã䜿ãããšã
ã§ãããã®å Žåã¯å¿ ãããé·ãïŒå·Ÿæ¯ã倧ããã
ãšã¯å¿ èŠã§ãªãã æ¬çºæã«ãããŠç£æ°èšé²å±€ã¯ïŒå±€ãã倧ãå³ã¡
ïŒå±€ä»¥äžãšããããšãå¯èœã§ããã æ¬çºæã®äž
å±€éšã«çšãããã匷ç£æ§ç²åã®æ質ãšããŠã¯ãγ
âFe2O3ãFe3O4ããŸãã¯äžéé žå床ãæãã
FeOxïŒ1.33ïŒïœïŒ1.5ïŒãããããCoã§å€æ§ããé ž
åéãCrO2ãŸãã¯FeãFeâCoãFeâCoâNiãª
ã©ã®åŒ·ç£æ§éå±ãçšãããããã®ä»äžå±€éšã«çšã
ã匷ç£æ§ç²åãçšããããšãã§ããã ããã匷ç£æ§ç²åãåæ£ãããéç£æ§çµåå€ã
æ¯æäœã¯ãç£å Žå·åŽåŠçã«å¿ èŠãªéåžž100ã300â
ã®é«æž©ã«èãããã®ãéžã¶å¿ èŠããããçµåå€ãš
ããŠã¯ç±å¯å¡æ§æš¹èãç±ç¡¬åæ§æš¹èãŸãã¯åå¿å
æš¹èããããã®æ··åç©ã䜿çšãããã äžèšç±å¯å¡æ§æš¹èãšããŠã¯è»å枩床ã150â以
äžãå¹³åååéã10000ã200000ãéå床ãçŽ100
ã1000çšåºŠã®ãã®ã§ãäŸãã°å¡©åããã«é ¢é žãã
ã«å ±éåäœãå¡©åããã«å¡©åãããªãã³å ±éå
äœãå¡©åããã«ã¢ã¯ãªããããªã«å ±éåäœãã¢ã¯
ãªã«é žãšã¹ãã«ã¢ã¯ãªããããªã«å ±éåäœãã¢ã«
ãªã«é žãšã¹ãã«å¡©åãããªãã³å ±éåäœãã¢ã¯ãª
ã«é žãšã¹ãã«ã¹ãã¬ã³å ±éåäœãã¡ã¿ã¯ãªã«é žãš
ã¹ãã«ã¢ã¯ãªããããªã«å ±éåäœãã¡ã¿ã¯ãªã«é ž
ãšã¹ãã«å¡©åãããªãã³å ±éåäœãã¡ã¿ã¯ãªã«é ž
ãšã¹ãã«ã¹ãã¬ã³å ±éåäœããŠã¬ã¿ã³ãšã©ã¹ãã
ãŒãããªåŒåããã«ãå¡©åãããªãã³ã¢ã¯ãªãã
ããªã«å ±éåäœããã¿ãžãšã³ã¢ã¯ãªããããªã«å ±
éåäœãããªã¢ããæš¹èãããªããã«ããã©ãŒ
ã«ãã»ã«ããŒã¹èªå°äœïŒã»ã«ããŒã¹ã¢ã»ããŒãã
ãã¬ãŒããã»ã«ããŒã¹ãã€ã¢ã»ããŒããã»ã«ããŒ
ã¹ããªã¢ã»ããŒããã»ã«ããŒã¹ããããªããŒãã
ãããã»ã«ããŒã¹çïŒãã¹ãã¬ã³ãã¿ãžãšã³å ±é
åäœãããªãšã¹ãã«æš¹èãã¯ããããã«ãšãŒãã«
ã¢ã¯ãªã«é žãšã¹ãã«å ±éåäœãã¢ããæš¹èãåçš®
ã®åæãŽã ç³»ã®ç±å¯å¡æ§æš¹èåã³ãããã®æ··åç©
çã䜿çšãããã ç±ç¡¬åæ§æš¹èåã¯åå¿åæš¹èãšããŠã¯å¡åžæ¶²ã®
ç¶æ ã§ã¯200000以äžã®ååéã§ãããå¡åžã也ç¥
åŸã«å ç±ããããšã«ãããçž®åãä»å çã®åå¿ã«
ããååéã¯ç¡é倧ã®ãã®ãšãªããåããããã®
æš¹èã®ãªãã§ãæš¹èãç±å解ãããŸã§ã®éã«è»å
åã¯æº¶èããªããã®ã奜ãŸãããå ·äœçã«ã¯äŸã
ã°ããšããŒã«æš¹èããšããã·æš¹èãããªãŠã¬ã¿ã³
硬ååæš¹èãå°¿çŽ æš¹èãã¡ã©ãã³æš¹èãã¢ã«ãã
ãæš¹èãã·ãªã³ã³æš¹èãã¢ã¯ãªã«ç³»åå¿æš¹èããš
ããã·âããªã¢ããæš¹èããããã»ã«ããŒã¹ã¡ã©
ãã³æš¹èãé«ååéããªãšã¹ãã«æš¹èãšã€ãœã·ã¢
ããŒããã¬ããªããŒã®æ··åç©ãã¡ã¿ã¯ãªã«é žå¡©å ±
éåäœãšãžã€ãœã·ã¢ããŒããã¬ããªããŒã®æ··å
ç©ãããªãšã¹ãã«ããªãªãŒã«ãšããªã€ãœã·ã¢ããŒ
ãã®æ··åç©ãå°¿çŽ ãã«ã ã¢ã«ãããæš¹èãäœåå
éã°ãªã³ãŒã«ïŒé«ååéãžãªãŒã«ïŒããªããšãã«
ã¡ã¿ã³ããªã€ãœã·ã¢ããŒãã®æ··åç©ãããªã¢ãã³
æš¹èåã³ãããã®æ··åç©çã§ããã ãããã®çµåå€ã®åç¬åã¯çµåãããããã®ã
䜿ãããä»ã«æ·»å å€ãå ããããã匷ç£æ§ç²æ«ãš
çµåå€ãšã®æ··åå²åã¯ééæ¯ã§åŒ·ç£æ§ç²æ«100é
ééšã«å¯ŸããŠçµåå€10ã200éééšã®ç¯å²ã§äœ¿çš
ãããã æ·»å å€ã¯åæ£å€ã最æ»å€ãç 磚å€çãå ããã
ãã åæ£å€ãšããŠã¯ã«ããªã«é žãã«ããªã³é žãã©ãŠ
ãªã³é žãããªã¹ãã³é žããã«ããã³é žãã¹ãã¢ãª
ã³é žããªã¬ã€ã³é žããšã©ã€ãžã³é žããªããŒã«é žã
ãªãã¬ã³é žãã¹ãã¢ããŒã«é žçã®ççŽ æ°12ã18å
ã®èèªé žïŒR1COOHãR1ã¯çé žæ°11ã17åã®ã¢
ã«ãã«åºïŒãåèšã®èèªé žã®ã¢ã«ãã«éå±ïŒLiã
NaãçïŒãŸãã¯ã¢ã«ã«ãªåé¡éå±ïŒMgãCaã
BaçïŒããæãéå±ç³é¹žïŒã¬ã·ãã³çã䜿çšã
ããããã®ä»ã«ççŽ æ°12以äžã®é«çŽã¢ã«ã³ãŒã«ã
ããã³ãããã®ç¡«é žãšã¹ãã«çã䜿çšå¯èœã§ã
ãããããã®åæ£å€ã¯çµåå€100éééšã«å¯ŸããŠ
ïŒã20éééšã®ç¯å²ã§æ·»å ãããã 最æ»å€ãšããŠã¯ã·ãªã³ã³ãªã€ã«ãã°ã©ãã¢ã€
ããäºç¡«åã¢ãªããã³ãäºç¡«åã¿ã³ã°ã¹ãã³ãç
çŽ æ°12ã16åã®äžå¡©åºæ§èèªé žãšççŽ æ°ïŒã12å
ã®äžäŸ¡ã®ã¢ã«ã³ãŒã«ããæãèèªé žãšã¹ãã«é¡ã
ççŽ æ°17å以äžã®äžå¡©åºæ§èèªé žãšè©²èèªé žã®ç
çŽ æ°ãšåèšããŠççŽ æ°ã21ã23åãšæãäžäŸ¡ã®ã¢
ã«ã³ãŒã«ããæãèèªé žãšã¹ãã«çã䜿çšã§ã
ãããããã®æœ€æ»å€ã¯çµåå€100éééšã«å¯Ÿã0.2
ã20éééšã®ç¯å²ã§æ·»å ãããã ç£æ°èšé²å±€ã®åœ¢æã¯äžèšã®çµæã§ææ©æº¶åªã«æº¶
解ããå¡åžæº¶æ¶²ãšããŠéç£æ§æ¯æäœäžã«å¡åžã
ãã ãã®æ¯æäœã¯çŽ æãšããŠã¯ããªãšãã¬ã³ãã¬ã
ã¿ã¬ãŒããããªãšãã¬ã³âïŒïŒïŒâããã¿ã¬ãŒã
çã®ããªãšã¹ãã«é¡ãããªãããã¬ã³çã®ããªãª
ã¬ãã€ã³é¡ãã»ã«ããŒã¹ããªã¢ã»ããŒããã»ã«ã
ãŒã¹ãã€ã¢ã»ããŒãçã®ã»ã«ããŒã¹èªå°äœãããª
ã«ãŒãããŒããªã©ã®ãã©ã¹ããã¯ãCuãAlãZn
ãªã©ã®éç£æ§éå±ãã¬ã©ã¹ãç£åšãé¶åšçã®ã»ã©
ããã¯ãªã©ã䜿çšãããã ãããã®éç£æ§æ¯æäœã®åã¿ã¯ãã€ã«ã ãã·ãŒ
ãç¶ã®å Žåã¯çŽïŒã100ÎŒmçšåºŠå¥œãŸããã¯ïŒã
50ÎŒmã§ããããã€ã¹ã¯ãã«ãŒãç¶ã®å Žåã¯0.5ã
10mmçšåºŠã§ããããã©ã ç¶ã®å Žåã¯åçç¶ãšãã
䜿çšããã¬ã³ãŒããŒã«å¿ããŠãã®åã¯æ±ºããã
ãã æ¯æäœäžãžåèšã®ç£æ°èšé²å±€ãå¡åžããæ¹æ³ãš
ããŠã¯ãšã¢ãŒãã¯ã¿ãŒã³ãŒãããã¬ãŒãã³ãŒãã
ãšã¢ãã€ãã³ãŒããã¹ã¯ã€ãºã³ãŒããå«æµžã³ãŒ
ãããªããŒã¹ããŒã«ã³ãŒãããã©ã³ã¹ãã¢ãŒããŒ
ã«ã³ãŒããã°ã©ãã€ã³ãŒãããã¹ã³ãŒãããã€ã¹
ãã³ãŒããã¹ãã¬ã€ã³ãŒãçãå©çšåºæ¥ããã®ä»
ã®æ¹æ³ãå¯èœã§ããããããã®å ·äœç説æã¯æå
æžåºçºè¡ã®ãã³ãŒãã€ã³ã°å·¥åŠã253é ã277é
ïŒæå46.3.20çºè¡ïŒã«è©³çŽ°ã«èšèŒãããŠããã äžãäžå±€ã®åã¿ã«ã€ããŠã¯çšéã«ããé©åœãªå
ã¿ãéžã¹ã°ããããäžè¬ã«ã¯äžå±€0.5ã3ÎŒãäžå±€
ïŒã5ÎŒçšåºŠã䜿ãæããäžå±€ã«ã¡ãããŸãã¯èž
çã«ãã匷ç£æ§å±€ãèšãããšãã«ã¯0.1ã2ÎŒãå¯
èœã§ããã å®æœäŸ ïŒ ç¡«é žç¬¬äžé266éééšãç¡«é žã³ãã«ã14éééš
ãæ°Ž1000éééšã«ãšããããã®ãïŒæ¶²ãšããèæ§
ãœãŒã120éééšãæ°Ž1500éééšã«æº¶ããããã®
ã液ãšããç¡é žã¢ã³ã¢ããŠã 30éééšãæ°Ž100
éééšã«æº¶ããã液ãOX液ãšããã ïŒæ¶²ãšïŒ¡æ¶²ã40âã«å ç±ãã液ãæ¬æãã€ã€
ïŒæ¶²ãå ããæŽã«OX液ãå ããŠæ°Žæž©ãæŽã«80â
ãŸã§ææž©ããããçŽ30åãåå¿ãç¶ç¶ããŠé»è²ã®
Coãå«ããã°ãã¿ã€ãç²æ«ãåŸãããã®ãµã³ã
ã«ãçªçŽ é°å²æ°äžã§200âãïŒæéãç±åŠçããã ãã®ãµã³ãã«ã200âã§2000ã¬ãŠã¹ã®ç£å Žäžã§
30ååŠçããïŒâïŒåã§åŸå·ããã 以äžã®èª¿æŽããããµã³ãã«ãçšãã次ã®ãããª
ç£æ§å¡åžæ¶²ã調æŽããã ç£å Žå·åŽåŠçãæœãã 匷ç£æ§é žåé å¡©é ¢ãå ±éåäœ ã¢ã¯ãªã«æš¹è ã«ãŒãã³ãã©ã㯠ã·ãªã³ã³ãªã€ã« ã¢ãã«ã¹ãã¢ã¬ãŒã ã¡ãã«ãšãã«ã±ãã³ 100éééš 27éééš ïŒéééš ïŒéééš ïŒéééš 0.2éééš 180éééš ãã®ç£æ§å¡åžæ¶²ãããŒã«ãã«ã§ååãåæ£
ãã22ÎŒã®ããªãšã¹ãã«ããŒã¹äžã«ä¹Ÿç¥åã5ÎŒãš
ãªãããã«å¡åžãã800ã¬ãŠã¹ã®åçŽæ¹åã®ç£ç
ã®çããŠããç£æ¥µéãéãããã®äžã§å€§éšåã®ä¹Ÿ
ç¥ãè¡ãªããããããç±é¢šãéã也ç¥ãè¡ããã
ã®ãµã³ãã«ãäŸïŒãšããã å¥ã«é·ã0.5ÎŒãé·ãïŒå·Ÿæ¯12ã®éåžžç£æ°ããŒã
ã«äžè¬çã«äœ¿ãããŠããéç¶Î³âFe2O3ãæºå
ãã以äžã«ããç£æ§å¡åžæ¶²ãã€ãã€ãã γâFe2O3 å¡©é ¢ãå ±éåäœ ãšããã·æš¹è ããªã¢ããæš¹è ã«ãŒãã³ãã©ã㯠ãªã¬ã€ã³é ž ã¡ãã«ãšãã«ã±ãã³ 100éééš 15éééš ïŒéééš ïŒéééš ïŒéééš ïŒéééš 200éééš ãã®ç£æ§å¡åžæ¶²ã22ÎŒåã®ããªãšã¹ãã«ããŒ
ã¹äžã«ä¹Ÿç¥åã4ÎŒãšãªãããã«å¡åžãããŠãšã
ã®é¢å ãé·ææ¹åã«åžžæ³ã«ããç£å Žé åãæœã
ãã也ç¥åŸã«ã¬ã³ããŒåŠçãè¡ãè¡šé¢ãå¹³æ»åã
ãã®ã¡ãç£æ§å¡åžæ¶²ããã®äžã«ä¹Ÿç¥åã¿ã1ÎŒ
ã«ãªãããã«å¡åžãã800Gã®åçŽç£å Žäžã§æ®ã
ã©ä¹Ÿç¥ãçµãããã«ããŠç£æ°ããŒããã€ãããã
ããäŸïŒãšããã æ¯èŒã®ããç£æ§å¡åžæ¶²ã«ãããŠãç£æ§äœãç£
æ§å¡åžæ¶²ã§çšããéç¶Î³âFe2O3ãšãããã®
ïŒç£æ§å¡åžæ¶²â²ãšããïŒããäžãšåæ§ã«ç£æ§å¡åž
液4ÎŒå¡åžããäžã«1ÎŒå¡åžãããã®ãã€ãã€ãŠ
ãããäŸïŒãšããã 以äžã®ãµã³ãã«ã¯ããããåã³ã«ã¬ã³ããŒåŠç
ãæœããåŸïŒïŒ2â³å·Ÿã«ã¹ãªãããã以äžã®æž¬å®ã
è¡ãããã®ç¹æ§ãã¿ãçµæã第ïŒè¡šã«ç€ºãã è¡šã®BrïŒBmæ¯ã¯ãæ¯åè©Šæåç£æèšïŒæ±è±å·¥
æ¥è£œïŒã«ããç£æ°ããŒãã®é¢ã«åçŽã®æ¹åã«ã¯ã
ã€ããBHã«ãŒãã®é£œåç£æå¯åºŠã«å¯Ÿããæ®çç£
æå¯åºŠã®æ¯ã§ãããïŒïŒ¢ã¯ç£æ°ããŒãã®åçåº
åã§ãããã¯èšé²æ³¢é·ïŒä¿¡å·åšæ³¢æ°ã§ããããš
ããŒãã®çžå¯Ÿé床ããã€ãå€ïŒãçã1ÎŒã§ã®åº
åãã¯ïŒ¡ã«ãããŠä¿¡å·ïŒ3MHzïŒã®åçåºåãš
ãã®ä¿¡å·ãã1MHzã¯ãªãããšããïŒãããã€ãŠ
2MHzïŒã§ã®ãã€ãºã¬ãã«ãšã®æ¯ãã¯æ¯èŒçé·
èšé²æ³¢é·ã®100ÎŒã«ãããåçåºåã§ãããïŒ
ïŒïŒ£åã dBåäœã§è¡šããããã®ã§ããã
ãè¡šã
第ïŒè¡šãããæ¬çºæã®ãµã³ãã«(2)ããåãïŒå±€
æ§é ã§ãäžå±€ã®ç£æ§ç²åã«ç£å Žå·åŽãèšé²é¢ã«å
çŽé ååŠçããŠããªããµã³ãã«(3)ã«æ¯ã¹ïŒ¡ïŒïŒ¢ïŒ
ïŒ£å šãŠã®åºåç¹æ§ã«ãããŠãããããŸãç£å Žå·
åŽãåçŽé ååŠçãæœããç£æ§ç²åå±€ã®åå±€ãã
ãªããµã³ãã«(1)ã«æ¯ã¹ãé·èšé²æ³¢é·ã«ãããåç
åºåã«ãããŠããããŠããããšãå€ãã å®æœäŸ ïŒ æ¯æäœãšããŠããªã€ãããã€ã«ã ïŒKaptonã
åååïŒã®23ÎŒããŒã¹ãçšããäžæ¹ãäžèšã®çµæ
ã®ç£æ§å¡åžæ¶²ãäœæããã ç£æ§é žåé 100éééš ããªã¢ããã€ããæš¹è 130éééš ïŒãã€ããã€ãã¯ïŒ100ã倧æ¥æ¬ã€ã³ãååŠ
å·¥æ¥è£œïŒ ã°ã©ãã¢ã€ã 10éééš ãžã¡ãã«ã¢ã»ã¿ãã 200éééš ç£æ§é žåéãšããŠã¯ãå®æœäŸïŒã®ç£æ§å¡åžæ¶²
ã§äœ¿ã€ããã®ãšåäžã®ãã®ã䜿ã€ãããåŸåã®ç£
å Žå·åŽåŠçãè¡ãªã€ããã®ãšããããçç¥ããã
ã®ã®ïŒçš®ãæºåãæŽã«å®æœäŸïŒã®ç£æ§å¡åžæ¶²ã§
çšããéç¶é žåéãæºåãããããé ã«ç£æ§äœ
ïŒïŒ¹ïŒïŒºãšããã åã ã®æ··åç©ãããŒã«ãã«ã«ä»èŸŒã¿ååãåæ£
ãããç£æ§äœïŒžïŒïŒ¹ïŒïŒºã«å¯Ÿå¿ããŠãã®ç£æ§å¡åž
液ãïŒïŒãšããã 23ÎŒã®Kaptonãã€ã«ã äžã«ããŸã也ç¥åŸ4ÎŒå
ãšãªãããã«ç£æ§å¡åžæ¶²ïŒ¶ãå¡åžãé¢å ãé·ææ¹
åã«é åããã®ã¡ã«ã¬ã³ããŒåŠçãæœãããæŽã«
ãã®äžã«ä¹Ÿç¥åã1ÎŒãšãªãããç£æ§å¡åžæ¶²ïŒ
ãåã å¡åžãããŸãæ¯èŒã®ããäžå±€ãäžå±€å ±ã«
ç£æ§å¡åžæ¶²ãšãããã®ãã€ãã€ãã 也ç¥åŸããŒã«ç¶ã«å·»ãäžãããã®ãããŒã«ã®äž
å¿ããååŸæ¹åã«1000ã¬ãŠã¹ã®ç£å Žãããã€ã€
200âã«ïŒæéããïŒâïŒåã§åŸå·ãããããŒã
ãµã³ãã«ãäžã«ããããµã³ãã«ã®é ã«ãµã³ãã«
ïŒïŒïŒïŒïŒãšãããæŽã«ãµã³ãã«ïŒã«ããŒãååŸ
ã®ç£å Žå·åŽåŠçãããªããã®ãæºåããµã³ãã«ïŒ
ãšãããããããµã³ãã«ã®ç¹æ§ãå®æœäŸïŒã«å¯Ÿå¿
ããŠæž¬å®ãè¡ã€ãçµæã第ïŒè¡šã«ç€ºãã
æ§é ã§ãäžå±€ã®ç£æ§ç²åã«ç£å Žå·åŽãèšé²é¢ã«å
çŽé ååŠçããŠããªããµã³ãã«(3)ã«æ¯ã¹ïŒ¡ïŒïŒ¢ïŒ
ïŒ£å šãŠã®åºåç¹æ§ã«ãããŠãããããŸãç£å Žå·
åŽãåçŽé ååŠçãæœããç£æ§ç²åå±€ã®åå±€ãã
ãªããµã³ãã«(1)ã«æ¯ã¹ãé·èšé²æ³¢é·ã«ãããåç
åºåã«ãããŠããããŠããããšãå€ãã å®æœäŸ ïŒ æ¯æäœãšããŠããªã€ãããã€ã«ã ïŒKaptonã
åååïŒã®23ÎŒããŒã¹ãçšããäžæ¹ãäžèšã®çµæ
ã®ç£æ§å¡åžæ¶²ãäœæããã ç£æ§é žåé 100éééš ããªã¢ããã€ããæš¹è 130éééš ïŒãã€ããã€ãã¯ïŒ100ã倧æ¥æ¬ã€ã³ãååŠ
å·¥æ¥è£œïŒ ã°ã©ãã¢ã€ã 10éééš ãžã¡ãã«ã¢ã»ã¿ãã 200éééš ç£æ§é žåéãšããŠã¯ãå®æœäŸïŒã®ç£æ§å¡åžæ¶²
ã§äœ¿ã€ããã®ãšåäžã®ãã®ã䜿ã€ãããåŸåã®ç£
å Žå·åŽåŠçãè¡ãªã€ããã®ãšããããçç¥ããã
ã®ã®ïŒçš®ãæºåãæŽã«å®æœäŸïŒã®ç£æ§å¡åžæ¶²ã§
çšããéç¶é žåéãæºåãããããé ã«ç£æ§äœ
ïŒïŒ¹ïŒïŒºãšããã åã ã®æ··åç©ãããŒã«ãã«ã«ä»èŸŒã¿ååãåæ£
ãããç£æ§äœïŒžïŒïŒ¹ïŒïŒºã«å¯Ÿå¿ããŠãã®ç£æ§å¡åž
液ãïŒïŒãšããã 23ÎŒã®Kaptonãã€ã«ã äžã«ããŸã也ç¥åŸ4ÎŒå
ãšãªãããã«ç£æ§å¡åžæ¶²ïŒ¶ãå¡åžãé¢å ãé·ææ¹
åã«é åããã®ã¡ã«ã¬ã³ããŒåŠçãæœãããæŽã«
ãã®äžã«ä¹Ÿç¥åã1ÎŒãšãªãããç£æ§å¡åžæ¶²ïŒ
ãåã å¡åžãããŸãæ¯èŒã®ããäžå±€ãäžå±€å ±ã«
ç£æ§å¡åžæ¶²ãšãããã®ãã€ãã€ãã 也ç¥åŸããŒã«ç¶ã«å·»ãäžãããã®ãããŒã«ã®äž
å¿ããååŸæ¹åã«1000ã¬ãŠã¹ã®ç£å Žãããã€ã€
200âã«ïŒæéããïŒâïŒåã§åŸå·ãããããŒã
ãµã³ãã«ãäžã«ããããµã³ãã«ã®é ã«ãµã³ãã«
ïŒïŒïŒïŒïŒãšãããæŽã«ãµã³ãã«ïŒã«ããŒãååŸ
ã®ç£å Žå·åŽåŠçãããªããã®ãæºåããµã³ãã«ïŒ
ãšãããããããµã³ãã«ã®ç¹æ§ãå®æœäŸïŒã«å¯Ÿå¿
ããŠæž¬å®ãè¡ã€ãçµæã第ïŒè¡šã«ç€ºãã
ãè¡šã
第ïŒè¡šããæ¬çºæã®ãµã³ãã«ïŒïŒïŒã¯ç£å Žå·åŽ
åŠçãåçŽé ååŠçãæœããç£æ§ç²åãããªãç£
æ§å±€ã®åå±€ã§ãããµã³ãã«ïŒã«æ¯ã¹é·æ³¢é·èšé²ã«
ãããåºåç¹æ§ãããããŠãããšå ±ã«ãããŒãå
åŸã«ç£å Žå·åŽåŠçãè¡ãããšã«ããåºåç¹æ§ãã
ããããã®ãšãªã€ãŠããããšãããµã³ãã«ïŒãšã®
æ¯èŒã§å€ãã ããã§ã¯å®æœäŸãšããŠCo5ïŒ ãå«ãç²ç¶ç²åã
çšããäŸã瀺ããããCoã®æ·»å éã0.2ã20ïŒ çš
床ã®ç¯å²ã§å€ããŠææã®æç£åãšããããšããŸã
ïŒFe++ïŒCo++ïŒïŒïŒFe+++ïŒFe++ïŒCo++ïŒã®æ¯ãã
ã°ãã¿ã€ãã«çžåœãã0.33ä»è¿ããγâFe2O3ã«
çžåœãã0.33ä»è¿ããγâFe2O3ã«çžåœããïŒã«
è³ããŸã§å€ããããšãã§ããæŽã«ïŒFe++ïŒCo++ïŒ
ã®äžéšãMnãCrãã®ä»ã®ã€ãªã³ã§çœ®ãæããã
ãšãã§ããã
åŠçãåçŽé ååŠçãæœããç£æ§ç²åãããªãç£
æ§å±€ã®åå±€ã§ãããµã³ãã«ïŒã«æ¯ã¹é·æ³¢é·èšé²ã«
ãããåºåç¹æ§ãããããŠãããšå ±ã«ãããŒãå
åŸã«ç£å Žå·åŽåŠçãè¡ãããšã«ããåºåç¹æ§ãã
ããããã®ãšãªã€ãŠããããšãããµã³ãã«ïŒãšã®
æ¯èŒã§å€ãã ããã§ã¯å®æœäŸãšããŠCo5ïŒ ãå«ãç²ç¶ç²åã
çšããäŸã瀺ããããCoã®æ·»å éã0.2ã20ïŒ çš
床ã®ç¯å²ã§å€ããŠææã®æç£åãšããããšããŸã
ïŒFe++ïŒCo++ïŒïŒïŒFe+++ïŒFe++ïŒCo++ïŒã®æ¯ãã
ã°ãã¿ã€ãã«çžåœãã0.33ä»è¿ããγâFe2O3ã«
çžåœãã0.33ä»è¿ããγâFe2O3ã«çžåœããïŒã«
è³ããŸã§å€ããããšãã§ããæŽã«ïŒFe++ïŒCo++ïŒ
ã®äžéšãMnãCrãã®ä»ã®ã€ãªã³ã§çœ®ãæããã
ãšãã§ããã
Claims (1)
- ãç¹èš±è«æ±ã®ç¯å²ã ïŒ çµåå€äžã«åŒ·ç£æ§ç²åãåæ£ããããç£æ§å¡
åžæ¶²ãéç£æ§æ¯æäœäžã«å¡åžãã也ç¥ããããšã«
ããïŒå±€ä»¥äžéå±€ããç£æ°èšé²å±€ã圢æããç£æ°
èšé²åªäœã®è£œé æ¹æ³ã«ãããŠãåèšç£æ°èšé²å±€ã®
æå€éšã®ç£æ§å±€ã®åŒ·ç£æ§ç²åãçµåå€äžã«åæ£ã
ãããåã«ç£å Žå·åŽåŠçã«ããç£æ°ç°æ¹æ§ãä»äž
ãããŠããããã€è©²æå€éšã®ç£æ§å¡åžæ¶²ãå¡åžã
ãåŸã也ç¥ããåã«è©²ç£æ°èšé²å±€ã®èšé²é¢ãšåçŽ
ãªæ¹åã®ç£çã«ããé ååŠçãæœãããšã«ãã€ãŠ
該æå€éšã®ç£æ§å±€ã®åŒ·ç£æ§ç²åã®ç£æ°ç°æ¹æ§ã®æ¹
åãäž»ãšããŠèšé²é¢ã«åçŽãªããããããšãç¹åŸŽ
ãšããç£æ°èšé²åªäœã®è£œé æ¹æ³ã ïŒ çµåå€äžã«åŒ·ç£æ§ç²åãåæ£ããããç£æ§å¡
åžæ¶²ãéç£æ§æ¯æäœäžã«å¡åžãã也ç¥ããããšã«
ããïŒå±€ä»¥äžéå±€ããç£æ°èšé²å±€ã圢æããç£æ°
èšé²åªäœã®è£œé æ¹æ³ã«ãããŠãåèšç£æ°èšé²å±€ã®
æå€éšã®ç£æ§å±€ã®ä¹Ÿç¥åŸã«ãã®èšé²é¢ãšåçŽãªæ¹
åã®ç£çãããã€ã€åæã«ç£å Žå·åŽåŠçãæœãã
ãšã«ãã€ãŠã該æå€éšã®ç£æ§å±€ã®åŒ·ç£æ§ç²åã®ç£
æ°ç°æ¹æ§ã®æ¹åãäž»ãšããŠèšé²é¢ã«åçŽãªããã
ãããšãç¹åŸŽãšããç£æ°èšé²åªäœã®è£œé æ¹æ³ã ïŒ äžèšæå€éšã®ç£æ§å±€ã®åŒ·ç£æ§ç²åãçµåå€äž
ã«åæ£ããããåã«ç£å Žå·åŽåŠçã«ããç£æ°ç°æ¹
æ§ãä»äžãããŠããããšãç¹åŸŽãšããç¹èš±è«æ±ã®
ç¯å²ïŒã«èšèŒã®ç£æ°èšé²åªäœã®è£œé æ¹æ³ã ïŒ äžèšæå€éšã®ç£æ§å±€ã®åŒ·ç£æ§ç²åãé·ãïŒå·Ÿ
æ¯ïŒä»¥äžã®ç²ç¶ç²åã§ããããšãç¹åŸŽãšããç¹èš±
è«æ±ã®ç¯å²ïŒä¹è³ïŒã®ããããã«èšèŒã®ç£æ°èšé²
åªäœã®è£œé æ¹æ³ã
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56067641A JPS57183630A (en) | 1981-05-07 | 1981-05-07 | Magnetic recording medium |
| DE19823217211 DE3217211A1 (de) | 1981-05-07 | 1982-05-07 | Magnetisches aufzeichnungsmaterial |
| US06/585,020 US4513054A (en) | 1981-05-07 | 1984-03-05 | Magnetic recording medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56067641A JPS57183630A (en) | 1981-05-07 | 1981-05-07 | Magnetic recording medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57183630A JPS57183630A (en) | 1982-11-12 |
| JPH0219530B2 true JPH0219530B2 (ja) | 1990-05-02 |
Family
ID=13350825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56067641A Granted JPS57183630A (en) | 1981-05-07 | 1981-05-07 | Magnetic recording medium |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US4513054A (ja) |
| JP (1) | JPS57183630A (ja) |
| DE (1) | DE3217211A1 (ja) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3308052A1 (de) * | 1983-03-08 | 1984-09-13 | Agfa-Gevaert Ag, 5090 Leverkusen | Verfahren zur herstellung eines magnetischen aufzeichnungsmaterials mit senkrechtausrichtung |
| JPS59172144A (ja) * | 1983-03-20 | 1984-09-28 | Hitachi Maxell Ltd | ç£æ°èšé²åªäœ |
| JPS6052924A (ja) * | 1983-09-02 | 1985-03-26 | Tdk Corp | ç£æ°èšé²åªäœ |
| JPS60127527A (ja) * | 1983-12-15 | 1985-07-08 | Saiteku Kk | èç¶ç©éç£æ°èšé²åªäœããã³ãã®è£œé æ¹æ³ |
| JPS60223018A (ja) * | 1984-04-18 | 1985-11-07 | Fuji Photo Film Co Ltd | ç£æ°èšé²åªäœ |
| JPS61113151A (ja) * | 1984-11-07 | 1986-05-31 | Nippon Hoso Kyokai <Nhk> | éæ¶è³ªå ç£æ°èšé²åªäœã®åŠçæ¹æ³ |
| US4966821A (en) * | 1986-07-17 | 1990-10-30 | Ricoh Company, Ltd. | Perpendicular magnetic recording medium |
| US4851289A (en) * | 1987-01-30 | 1989-07-25 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
| JP2581583B2 (ja) * | 1988-02-12 | 1997-02-12 | å¯å£«åçãã€ã«ã æ ªåŒäŒç€Ÿ | ç£æ°èšé²åªäœ |
| JP2819029B2 (ja) * | 1988-09-19 | 1998-10-30 | ã³ãã«æ ªåŒäŒç€Ÿ | ç£æ°èšé²åªäœ |
| JP2811329B2 (ja) * | 1989-09-14 | 1998-10-15 | ã³ãã«æ ªåŒäŒç€Ÿ | ç£æ°èšé²åªäœ |
| JP2002092855A (ja) * | 2000-09-14 | 2002-03-29 | Fuji Photo Film Co Ltd | ç£æ°èšé²åªäœ |
| US10395684B2 (en) | 2016-05-18 | 2019-08-27 | International Business Machines Corporation | Protective layer for mitigating protruding defects in magnetic tape recording media |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5410703A (en) * | 1977-06-27 | 1979-01-26 | Hokushin Electric Works | Magnetic recording medium |
| JPS54145105A (en) * | 1978-05-02 | 1979-11-13 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3185775A (en) * | 1958-03-10 | 1965-05-25 | Iit Res Inst | Oriented tape |
| US3859129A (en) * | 1972-05-26 | 1975-01-07 | Corning Glass Works | Method of improving the magnetic properties of cobalt substituted magnetite |
| JPS5162704A (en) * | 1974-10-29 | 1976-05-31 | Fuji Photo Film Co Ltd | Jikikirokutaino seizoho |
| US4237506A (en) * | 1978-04-03 | 1980-12-02 | Graham Magnetics Inc. | Polymodal magnetic recording member |
| FR2428886A1 (fr) * | 1978-06-13 | 1980-01-11 | Cii Honeywell Bull | Support d'information magnetique a enregistrement perpendiculaire |
-
1981
- 1981-05-07 JP JP56067641A patent/JPS57183630A/ja active Granted
-
1982
- 1982-05-07 DE DE19823217211 patent/DE3217211A1/de active Granted
-
1984
- 1984-03-05 US US06/585,020 patent/US4513054A/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5410703A (en) * | 1977-06-27 | 1979-01-26 | Hokushin Electric Works | Magnetic recording medium |
| JPS54145105A (en) * | 1978-05-02 | 1979-11-13 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3217211A1 (de) | 1982-11-25 |
| DE3217211C2 (ja) | 1990-12-20 |
| JPS57183630A (en) | 1982-11-12 |
| US4513054A (en) | 1985-04-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH11250449A (ja) | ç£æ°ããŒã | |
| WO2004075179A1 (ja) | ç£æ°èšé²åªäœ | |
| US4439795A (en) | Magnetic recording medium | |
| JPH0219530B2 (ja) | ||
| JPH05768B2 (ja) | ||
| US4439796A (en) | Magnetic recording medium | |
| JPH0219531B2 (ja) | ||
| JPH11238225A (ja) | ç£æ°ããŒã | |
| JPH04123312A (ja) | ãã¹ã¿ãŒçšç£æ°èšé²åªäœ | |
| JPS641853B2 (ja) | ||
| JPH0312374B2 (ja) | ||
| JPH0650563B2 (ja) | ç£æ°èšé²åªäœ | |
| JP2000057561A (ja) | ç£æ°ããŒã | |
| JPS6250885B2 (ja) | ||
| US5789063A (en) | Magnetic recording medium | |
| JPH0252415B2 (ja) | ||
| JPS63261526A (ja) | ç£æ°èšé²åªäœ | |
| JP2566085B2 (ja) | ç£æ°èšé²åªäœ | |
| JPS59167842A (ja) | åçŽç£æ°èšé²åªäœ | |
| JPH09326111A (ja) | ã³ã³ãã¥ãŒã¿ããŒã¿èšé²çšç£æ°ããŒã | |
| JPH0252414B2 (ja) | ||
| JPS6028050B2 (ja) | ç£æ°èšé²äœ | |
| JPH11110735A (ja) | ç£æ°èšé²åªäœã®è£œé æ¹æ³åã³ç£æ°èšé²åªäœ | |
| JPH0619829B2 (ja) | ç£æ°èšé²åªäœ | |
| JPH09293229A (ja) | ã³ã³ãã¥ãŒã¿ããŒã¿èšé²çšç£æ°ããŒã |