JPS5841727A - 微細なフエライト粉末の製造方法 - Google Patents

微細なフエライト粉末の製造方法

Info

Publication number: JPS5841727A
Authority: JP; Japan
Prior art keywords: solution; ferrite; formula; iron; aqueous
Prior art date: 1981-08-19
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

Application number

JP57141193A

Other languages

English (en)

Japanese (ja)

Other versions

JPH0359007B2 (da

Inventor

ハルトム−ト・ヒブスト

ウド・クルマン

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

BASF SE

Original Assignee

BASF SE

Priority date (The priority date 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 date listed.)

1981-08-19

Filing date

1982-08-16

Publication date

1983-03-11

1982-08-16 Application filed by BASF SE filed Critical BASF SE

1983-03-11 Publication of JPS5841727A publication Critical patent/JPS5841727A/ja

1991-09-09 Publication of JPH0359007B2 publication Critical patent/JPH0359007B2/ja

Status Granted legal-status Critical Current

Links

229910000859 α-Fe Inorganic materials 0.000 title claims description 76
239000000843 powder Substances 0.000 title claims description 56
238000004519 manufacturing process Methods 0.000 title claims description 15
239000000203 mixture Substances 0.000 claims description 58
238000000034 method Methods 0.000 claims description 56
239000000243 solution Substances 0.000 claims description 56
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 49
229910001868 water Inorganic materials 0.000 claims description 46
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 39
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 26
239000007864 aqueous solution Substances 0.000 claims description 25
229910052742 iron Inorganic materials 0.000 claims description 20
CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 20
235000002639 sodium chloride Nutrition 0.000 claims description 20
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
238000010438 heat treatment Methods 0.000 claims description 17
239000011833 salt mixture Substances 0.000 claims description 14
239000011780 sodium chloride Substances 0.000 claims description 14
DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims description 13
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 12
229910052788 barium Inorganic materials 0.000 claims description 12
229910052712 strontium Inorganic materials 0.000 claims description 12
CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 claims description 12
239000011701 zinc Substances 0.000 claims description 12
229910000029 sodium carbonate Inorganic materials 0.000 claims description 11
BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 10
229910052725 zinc Inorganic materials 0.000 claims description 10
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 9
229910017052 cobalt Inorganic materials 0.000 claims description 9
239000010941 cobalt Substances 0.000 claims description 9
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 9
238000002386 leaching Methods 0.000 claims description 9
229910052759 nickel Inorganic materials 0.000 claims description 9
230000008569 process Effects 0.000 claims description 9
WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims description 8
238000002844 melting Methods 0.000 claims description 6
230000008018 melting Effects 0.000 claims description 6
OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 5
RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 5
229910052791 calcium Inorganic materials 0.000 claims description 5
239000011575 calcium Substances 0.000 claims description 5
229910052802 copper Inorganic materials 0.000 claims description 5
239000010949 copper Substances 0.000 claims description 5
238000001035 drying Methods 0.000 claims description 5
229910052744 lithium Inorganic materials 0.000 claims description 5
239000011777 magnesium Substances 0.000 claims description 5
229910052749 magnesium Inorganic materials 0.000 claims description 5
WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 5
229910000027 potassium carbonate Inorganic materials 0.000 claims description 5
150000003839 salts Chemical class 0.000 claims description 5
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
239000007900 aqueous suspension Substances 0.000 claims description 4
239000001103 potassium chloride Substances 0.000 claims description 4
235000011164 potassium chloride Nutrition 0.000 claims description 4
239000010936 titanium Substances 0.000 claims description 4
XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical compound Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 4
FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 3
159000000000 sodium salts Chemical class 0.000 claims description 3
229910001626 barium chloride Inorganic materials 0.000 claims description 2
239000012266 salt solution Substances 0.000 claims description 2
229910001631 strontium chloride Inorganic materials 0.000 claims 1
AHBGXTDRMVNFER-UHFFFAOYSA-L strontium dichloride Chemical compound [Cl-].[Cl-].[Sr+2] AHBGXTDRMVNFER-UHFFFAOYSA-L 0.000 claims 1
239000002245 particle Substances 0.000 description 33
238000009826 distribution Methods 0.000 description 29
238000003756 stirring Methods 0.000 description 26
239000000725 suspension Substances 0.000 description 22
238000001556 precipitation Methods 0.000 description 21
239000012071 phase Substances 0.000 description 16
239000000047 product Substances 0.000 description 16
239000013078 crystal Substances 0.000 description 15
239000000919 ceramic Substances 0.000 description 14
238000001816 cooling Methods 0.000 description 13
239000007921 spray Substances 0.000 description 13
239000002244 precipitate Substances 0.000 description 12
238000010586 diagram Methods 0.000 description 11
238000006243 chemical reaction Methods 0.000 description 10
238000005245 sintering Methods 0.000 description 9
239000011734 sodium Substances 0.000 description 9
UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 8
239000003513 alkali Substances 0.000 description 7
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 7
WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 6
239000006185 dispersion Substances 0.000 description 6
239000007791 liquid phase Substances 0.000 description 6
235000017550 sodium carbonate Nutrition 0.000 description 6
239000013081 microcrystal Substances 0.000 description 5
WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 description 4
230000007547 defect Effects 0.000 description 4
239000000463 material Substances 0.000 description 4
229910052596 spinel Inorganic materials 0.000 description 4
239000011029 spinel Substances 0.000 description 4
RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 3
BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 3
229910001289 Manganese-zinc ferrite Inorganic materials 0.000 description 3
-1 PbQ Substances 0.000 description 3
PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 description 3
239000011230 binding agent Substances 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
239000000969 carrier Substances 0.000 description 3
150000001768 cations Chemical class 0.000 description 3
238000000576 coating method Methods 0.000 description 3
238000001914 filtration Methods 0.000 description 3
230000004907 flux Effects 0.000 description 3
238000000227 grinding Methods 0.000 description 3
238000005259 measurement Methods 0.000 description 3
239000004033 plastic Substances 0.000 description 3
229920003023 plastic Polymers 0.000 description 3
239000011541 reaction mixture Substances 0.000 description 3
229910052938 sodium sulfate Inorganic materials 0.000 description 3
235000011152 sodium sulphate Nutrition 0.000 description 3
238000001694 spray drying Methods 0.000 description 3
239000000126 substance Substances 0.000 description 3
YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 3
238000005406 washing Methods 0.000 description 3
XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
229910002651 NO3 Inorganic materials 0.000 description 2
XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
239000001361 adipic acid Substances 0.000 description 2
235000011037 adipic acid Nutrition 0.000 description 2
AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
239000003795 chemical substances by application Substances 0.000 description 2
239000011362 coarse particle Substances 0.000 description 2
238000005056 compaction Methods 0.000 description 2
230000006835 compression Effects 0.000 description 2
238000007906 compression Methods 0.000 description 2
RAQDACVRFCEPDA-UHFFFAOYSA-L ferrous carbonate Chemical compound [Fe+2].[O-]C([O-])=O RAQDACVRFCEPDA-UHFFFAOYSA-L 0.000 description 2
238000007716 flux method Methods 0.000 description 2
239000007789 gas Substances 0.000 description 2
AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
230000006872 improvement Effects 0.000 description 2
238000010348 incorporation Methods 0.000 description 2
239000006247 magnetic powder Substances 0.000 description 2
239000000155 melt Substances 0.000 description 2
229910044991 metal oxide Inorganic materials 0.000 description 2
150000004706 metal oxides Chemical class 0.000 description 2
229920000728 polyester Polymers 0.000 description 2
229910052708 sodium Inorganic materials 0.000 description 2
239000011877 solvent mixture Substances 0.000 description 2
238000003860 storage Methods 0.000 description 2
229920001169 thermoplastic Polymers 0.000 description 2
239000004416 thermosoftening plastic Substances 0.000 description 2
UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 description 1
241000272814 Anser sp. Species 0.000 description 1
241000411532 Erites Species 0.000 description 1
229910001047 Hard ferrite Inorganic materials 0.000 description 1
WAEMQWOKJMHJLA-UHFFFAOYSA-N Manganese(2+) Chemical group [Mn+2] WAEMQWOKJMHJLA-UHFFFAOYSA-N 0.000 description 1
239000007832 Na2SO4 Substances 0.000 description 1
229910003962 NiZn Inorganic materials 0.000 description 1
229910001053 Nickel-zinc ferrite Inorganic materials 0.000 description 1
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
229910019142 PO4 Inorganic materials 0.000 description 1
239000004698 Polyethylene Substances 0.000 description 1
235000021355 Stearic acid Nutrition 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
YRHFVYBNFWWAEN-UHFFFAOYSA-M [Na+].[Cl-].OS(O)=O Chemical compound [Na+].[Cl-].OS(O)=O YRHFVYBNFWWAEN-UHFFFAOYSA-M 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
230000002411 adverse Effects 0.000 description 1
150000001447 alkali salts Chemical class 0.000 description 1
150000003863 ammonium salts Chemical class 0.000 description 1
229910052786 argon Inorganic materials 0.000 description 1
239000012298 atmosphere Substances 0.000 description 1
WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical compound [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 description 1
229910052797 bismuth Inorganic materials 0.000 description 1
238000003490 calendering Methods 0.000 description 1
230000008859 change Effects 0.000 description 1
239000011248 coating agent Substances 0.000 description 1
NVIVJPRCKQTWLY-UHFFFAOYSA-N cobalt nickel Chemical compound [Co][Ni][Co] NVIVJPRCKQTWLY-UHFFFAOYSA-N 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
239000008139 complexing agent Substances 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
238000011109 contamination Methods 0.000 description 1
229920001577 copolymer Polymers 0.000 description 1
230000007797 corrosion Effects 0.000 description 1
238000005260 corrosion Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
230000005347 demagnetization Effects 0.000 description 1
230000006866 deterioration Effects 0.000 description 1
235000014113 dietary fatty acids Nutrition 0.000 description 1
125000004177 diethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
LDCRTTXIJACKKU-ARJAWSKDSA-N dimethyl maleate Chemical compound COC(=O)\C=C/C(=O)OC LDCRTTXIJACKKU-ARJAWSKDSA-N 0.000 description 1
CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
VFNGKCDDZUSWLR-UHFFFAOYSA-N disulfuric acid Chemical class OS(=O)(=O)OS(O)(=O)=O VFNGKCDDZUSWLR-UHFFFAOYSA-N 0.000 description 1
239000000194 fatty acid Substances 0.000 description 1
229930195729 fatty acid Natural products 0.000 description 1
150000004665 fatty acids Chemical class 0.000 description 1
239000010419 fine particle Substances 0.000 description 1
238000004108 freeze drying Methods 0.000 description 1
150000004820 halides Chemical class 0.000 description 1
BDAGIHXWWSANSR-NJFSPNSNSA-N hydroxyformaldehyde Chemical compound O[14CH]=O BDAGIHXWWSANSR-NJFSPNSNSA-N 0.000 description 1
239000011261 inert gas Substances 0.000 description 1
239000007788 liquid Substances 0.000 description 1
239000000696 magnetic material Substances 0.000 description 1
239000006249 magnetic particle Substances 0.000 description 1
230000005389 magnetism Effects 0.000 description 1
239000011572 manganese Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
239000002184 metal Substances 0.000 description 1
229910021645 metal ion Inorganic materials 0.000 description 1
229910000480 nickel oxide Inorganic materials 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
150000002902 organometallic compounds Chemical class 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
239000010452 phosphate Substances 0.000 description 1
150000003014 phosphoric acid esters Chemical class 0.000 description 1
229920000573 polyethylene Polymers 0.000 description 1
XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 description 1
238000003825 pressing Methods 0.000 description 1
238000000926 separation method Methods 0.000 description 1
229920002545 silicone oil Polymers 0.000 description 1
229910001415 sodium ion Inorganic materials 0.000 description 1
239000008117 stearic acid Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
229910000018 strontium carbonate Inorganic materials 0.000 description 1
239000004094 surface-active agent Substances 0.000 description 1
229920003051 synthetic elastomer Polymers 0.000 description 1
229920002994 synthetic fiber Polymers 0.000 description 1
238000003826 uniaxial pressing Methods 0.000 description 1
239000011787 zinc oxide Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0036—Mixed oxides or hydroxides containing one alkaline earth metal, magnesium or lead
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/0018—Mixed oxides or hydroxides
- C01G49/0063—Mixed oxides or hydroxides containing zinc
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G49/00—Compounds of iron
- C01G49/009—Compounds containing iron, with or without oxygen or hydrogen, and containing two or more other elements
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G51/00—Compounds of cobalt
- C01G51/80—Compounds containing cobalt, with or without oxygen or hydrogen, and containing one or more other elements
- C01G51/82—Compounds containing cobalt, with or without oxygen or hydrogen, and containing two or more other elements
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G53/00—Compounds of nickel
- C01G53/80—Compounds containing nickel, with or without oxygen or hydrogen, and containing one or more other elements
- C01G53/82—Compounds containing nickel, with or without oxygen or hydrogen, and containing two or more other elements
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/36—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites in the form of particles
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/50—Solid solutions
- C01P2002/52—Solid solutions containing elements as dopants
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/20—Particle morphology extending in two dimensions, e.g. plate-like
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/62—Submicrometer sized, i.e. from 0.1-1 micrometer
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/12—Surface area
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/42—Magnetic properties

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JP57141193A 1981-08-19 1982-08-16 微細なフエライト粉末の製造方法 Granted JPS5841727A (ja)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
DE3132684.6		1981-08-19
DE19813132677 DE3132677A1 (de)	1981-08-19	1981-08-19	Verfahren zur herstellung feinteiliger hexagonaler ferrite sowie ihre verwendung zur herstellung magnetischer aufzeichnungstraeger
DE3132680.3		1981-08-19
DE3132677.3		1981-08-19

Publications (2)

Publication Number	Publication Date
JPS5841727A true JPS5841727A (ja)	1983-03-11
JPH0359007B2 JPH0359007B2 (da)	1991-09-09

Family

ID=6139583

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP57141193A Granted JPS5841727A (ja)	1981-08-19	1982-08-16	微細なフエライト粉末の製造方法

Country Status (2)

Country	Link
JP (1)	JPS5841727A (da)
DE (1)	DE3132677A1 (da)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS60143429A (ja) *	1983-12-29	1985-07-29	Fuji Photo Film Co Ltd	磁気記録媒体
JPS60164925A (ja) *	1984-02-07	1985-08-28	Hitachi Maxell Ltd	磁気記録媒体
JPS60211904A (ja) *	1984-04-06	1985-10-24	Ricoh Co Ltd	金属酸化物磁性体及び磁性膜
JP2008066364A (ja) *	2006-09-05	2008-03-21	Dowa Holdings Co Ltd	電波吸収体用磁性粉体およびその製造法並びに電波吸収体
JP2016175822A (ja) *	2014-10-24	2016-10-06	スカイワークスソリューションズ, インコーポレイテッドSkyworks Solutions, Inc.	六方晶フェライト材料の共振周波数を上昇させるための方法、六方晶フェライト材料、および高周波装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3537624A1 (de) *	1985-10-23	1987-04-23	Bayer Ag	Feinteilige isometrische hexaferritpigmente, verfahren zu ihrer herstellung und deren verwendung

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5635613A (en) *	1979-08-28	1981-04-08	Mitsubishi Electric Corp	Method and device for separating insulating film of magnet wire
JPS5660002A (en) *	1979-10-19	1981-05-23	Toshiba Corp	Manufacture of high density recording magnetic powder
JPS5673698A (en) *	1979-11-21	1981-06-18	Toda Kogyo Corp	Manufacture of magnetoplumbite type composite ferrite particle powder assuming hexagonal plate form
JPS57141194A (en) *	1981-02-26	1982-09-01	Sony Corp	Demodulating circuit for pal system color television signal

1981
- 1981-08-19 DE DE19813132677 patent/DE3132677A1/de not_active Withdrawn
1982
- 1982-08-16 JP JP57141193A patent/JPS5841727A/ja active Granted

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5635613A (en) *	1979-08-28	1981-04-08	Mitsubishi Electric Corp	Method and device for separating insulating film of magnet wire
JPS5660002A (en) *	1979-10-19	1981-05-23	Toshiba Corp	Manufacture of high density recording magnetic powder
JPS5673698A (en) *	1979-11-21	1981-06-18	Toda Kogyo Corp	Manufacture of magnetoplumbite type composite ferrite particle powder assuming hexagonal plate form
JPS57141194A (en) *	1981-02-26	1982-09-01	Sony Corp	Demodulating circuit for pal system color television signal

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS60143429A (ja) *	1983-12-29	1985-07-29	Fuji Photo Film Co Ltd	磁気記録媒体
JPS60164925A (ja) *	1984-02-07	1985-08-28	Hitachi Maxell Ltd	磁気記録媒体
JPS60211904A (ja) *	1984-04-06	1985-10-24	Ricoh Co Ltd	金属酸化物磁性体及び磁性膜
JP2008066364A (ja) *	2006-09-05	2008-03-21	Dowa Holdings Co Ltd	電波吸収体用磁性粉体およびその製造法並びに電波吸収体
JP2016175822A (ja) *	2014-10-24	2016-10-06	スカイワークスソリューションズ, インコーポレイテッドSkyworks Solutions, Inc.	六方晶フェライト材料の共振周波数を上昇させるための方法、六方晶フェライト材料、および高周波装置

Also Published As

Publication number	Publication date
JPH0359007B2 (da)	1991-09-09
DE3132677A1 (de)	1983-03-17

Publication	Publication Date	Title
US4664831A (en)	1987-05-12	Preparation of finely divided ferrite powders
US4425250A (en)	1984-01-10	Preparation of finely divided ferrite powders
JP5445843B2 (ja)	2014-03-19	磁性酸化鉄粒子、磁性体、および電波吸収体
Hibst	1982	Hexagonal ferrites from melts and aqueous solutions, magnetic recording materials
JPH0148207B2 (da)	1989-10-18
JPS63277523A (ja)	1988-11-15	板状磁性粉体の製造方法
KR860000485B1 (ko)	1986-04-30	강자성 금속입자의 제조방법
JPS61168532A (ja)	1986-07-30	磁気記録用バリウムフェライト微結晶の製造方法
Sakai et al.	1992	Preparation and magnetic properties of barium ferrite fine particles by the coprecipitation salt-catalysis method
US4401643A (en)	1983-08-30	Preparation of finely divided barium ferrite of high coercivity
US4764300A (en)	1988-08-16	Preparation of finely divided and acicular hexagonal ferrites and their use for the production of magnetic recording media and plastoferrites
US4116752A (en)	1978-09-26	Production of single crystalline ferrite particles
US3438900A (en)	1969-04-15	Ferrimagnetic material suitable for use at frequencies of at least 50 mc./sec. with improved properties
US4675170A (en)	1987-06-23	Preparation of finely divided acicular hexagonal ferrites having a high coercive force
JPH02258634A (ja)	1990-10-19	微粉末磁性ヘキサフエライトの製造方法及び使用
JPH0359007B2 (da)	1991-09-09
JPS5841728A (ja)	1983-03-11	微細なフエライト粉末の製造方法
JPS60255628A (ja)	1985-12-17	磁気記録用板状Ｂａフエライト微粒子粉末及びその製造法
JPH0244775B2 (da)	1990-10-05
US3461072A (en)	1969-08-12	Ferrimagnetic material for use at frequencies higher than 50 mc./sec. having reduced loss factor and higher quality factor
JPH0581533B2 (da)	1993-11-15
Raj et al.	2024	Processing of hexagonal ferrite-based nanomaterials for magnetic storage device application
JPH05326233A (ja)	1993-12-10	磁性粉末の製造方法
JPS6197805A (ja)	1986-05-16	フエリ磁性粒子及びその製法
KR960000502B1 (ko)	1996-01-08	자기기록용 육방정계 페라이트 미분말의 제조방법

JPS5841727A - 微細なフエライト粉末の製造方法 - Google Patents

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Applications Claiming Priority (4)

Publications (2)

Family

ID=6139583

Family Applications (1)

Country Status (2)

Cited By (5)

Families Citing this family (1)

Citations (4)

Patent Citations (4)

Cited By (5)

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