JP6254723B2 - 電磁干渉抑制部品及び電磁干渉抑制部品の製造方法 - Google Patents
電磁干渉抑制部品及び電磁干渉抑制部品の製造方法 Download PDFInfo
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- JP6254723B2 JP6254723B2 JP2017009110A JP2017009110A JP6254723B2 JP 6254723 B2 JP6254723 B2 JP 6254723B2 JP 2017009110 A JP2017009110 A JP 2017009110A JP 2017009110 A JP2017009110 A JP 2017009110A JP 6254723 B2 JP6254723 B2 JP 6254723B2
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- ferrite powder
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- 230000001629 suppression Effects 0.000 title claims description 13
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 229910000859 α-Fe Inorganic materials 0.000 claims description 49
- 239000000843 powder Substances 0.000 claims description 39
- 239000002245 particle Substances 0.000 claims description 20
- 239000013078 crystal Substances 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 230000000737 periodic effect Effects 0.000 claims description 9
- 229910052723 transition metal Inorganic materials 0.000 claims description 7
- 150000003624 transition metals Chemical class 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000011874 heated mixture Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 238000005245 sintering Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005670 electromagnetic radiation Effects 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 229910052726 zirconium Inorganic materials 0.000 description 3
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000003746 solid phase reaction Methods 0.000 description 2
- IATRAKWUXMZMIY-UHFFFAOYSA-N strontium oxide Chemical compound [O-2].[Sr+2] IATRAKWUXMZMIY-UHFFFAOYSA-N 0.000 description 2
- 229910052767 actinium Inorganic materials 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910021475 bohrium Inorganic materials 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910001850 copernicium Inorganic materials 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005090 crystal field Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000005288 electromagnetic effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229910021473 hassium Inorganic materials 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910052702 rhenium Inorganic materials 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910021481 rutherfordium Inorganic materials 0.000 description 1
- 229910052706 scandium Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- 229910052713 technetium Inorganic materials 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0098—Shielding materials for shielding electrical cables
-
- 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
- H01F1/342—Oxides
- H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
- H01F1/348—Hexaferrites with decreased hardness or anisotropy, i.e. with increased permeability in the microwave (GHz) range, e.g. having a hexagonal crystallographic structure
-
- 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
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0246—Manufacturing of magnetic circuits by moulding or by pressing powder
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0081—Electromagnetic shielding materials, e.g. EMI, RFI shielding
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/60—Compounds characterised by their crystallite size
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- C—CHEMISTRY; METALLURGY
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- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
- C01P2002/76—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data by a space-group or by other symmetry indications
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- 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
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/06—Fixed inductances of the signal type with magnetic core with core substantially closed in itself, e.g. toroid
- H01F2017/065—Core mounted around conductor to absorb noise, e.g. EMI filter
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Dispersion Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Electromagnetism (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Soft Magnetic Materials (AREA)
- Compounds Of Iron (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Description
Claims (5)
- 六方晶構造を有するフェライト粉末からなる電磁干渉抑制部品であって、前記フェライト粉末は組成式SrxFe12-yCyOzを有し、Cは元素周期表の遷移金属であり、前記フェライト粉末の粒径は75μm〜100μmの間にあり、xは0.9〜1の間にあり、yは0.1〜0.8の間にあり、zは19であることを特徴とする、電磁干渉抑制部品。
- Cは、元素周期表の第4族、第5族、第9族、又は第10族の遷移金属であることを特徴とする、請求項1に記載の部品。
- 前記部品は、ハーフシェル状、板状、スリーブ状、環状、又は通路開口をもつブロック状として形成されていることを特徴とする、請求項1または2に記載の部品。
- 請求項1〜3のいずれか一項に記載の電磁干渉抑制部品の製造方法であって、前記フェライト粉末は、Sr炭酸塩又はSr酸化物と、Fe酸化物と、遷移金属の酸化物との混合物より製造すること、
前記混合物を、1100℃(約1373.15K)〜1400℃(約1673.15K)の間の温度に加熱すること、及び
前記加熱された混合物を粉砕して、粒径を75μm〜100μmの間の値に調整すること、
を特徴とする、方法。 - 前記フェライト粉末を乾式プレスして部品を製造することを特徴とする、請求項4に記載の方法。
Applications Claiming Priority (2)
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DE102016201061 | 2016-01-26 | ||
DE102016201061.1 | 2016-01-26 |
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Publication Number | Publication Date |
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JP2017141147A JP2017141147A (ja) | 2017-08-17 |
JP6254723B2 true JP6254723B2 (ja) | 2017-12-27 |
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JP2017009110A Active JP6254723B2 (ja) | 2016-01-26 | 2017-01-23 | 電磁干渉抑制部品及び電磁干渉抑制部品の製造方法 |
Country Status (5)
Country | Link |
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US (1) | US20170215308A1 (ja) |
JP (1) | JP6254723B2 (ja) |
CN (1) | CN106997802B (ja) |
DE (1) | DE102017200810B4 (ja) |
TW (1) | TWI680114B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022079820A1 (ja) * | 2020-10-14 | 2022-04-21 | 株式会社デラモーダ | ノイズフィルタ、フェライトコアの製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50120500A (ja) * | 1974-03-07 | 1975-09-20 | ||
DE3702036A1 (de) * | 1987-01-24 | 1988-08-04 | Basf Ag | Feststoff zur herstellung hexagonaler ferrite |
DE69824362T2 (de) * | 1997-02-25 | 2005-06-16 | Tdk Corp. | Magnetisches Oxidmaterial, Ferritteilchen, gesinterter Magnet, Verbundmagnet, magnetischer Aufzeichnungsträger und Motor |
WO1999016086A1 (fr) * | 1997-09-19 | 1999-04-01 | Tdk Corporation | Corps d'oxyde magnetique, particules de ferrite, aimant agglomere, aimant fritte, procede de fabrication de ces materiaux, et support d'enregistrement magnetique |
CN101055796B (zh) * | 2006-04-16 | 2010-12-29 | 张连墩 | M型锶铁氧体磁性材料的制备方法 |
US7515111B2 (en) * | 2006-05-26 | 2009-04-07 | Kabushiki Kaisha Toshiba | Antenna apparatus |
US8703282B2 (en) * | 2007-03-09 | 2014-04-22 | Kabushiki Kaisha Toshiba | Core-shell type magnetic particle and high-frequency magnetic material |
JP5853381B2 (ja) * | 2011-03-09 | 2016-02-09 | Tdk株式会社 | アンテナ用磁性材料、並びに、アンテナ及び無線通信機器 |
US8822913B2 (en) * | 2011-12-06 | 2014-09-02 | Fei Company | Inductively-coupled plasma ion source for use with a focused ion beam column with selectable ions |
JP5650270B2 (ja) * | 2013-03-29 | 2015-01-07 | 株式会社リケン | マグネトプランバイト型六方晶フェライト及びノイズ抑制シート |
DE102014001616A1 (de) | 2014-02-10 | 2015-08-13 | Img Electronic & Power Systems Gmbh | EMV Hexagonale Ferrite im Frequenzbereich von 1000 MHz - 100 GHz |
JP6379577B2 (ja) * | 2014-03-27 | 2018-08-29 | Tdk株式会社 | 六方晶フェライト焼結体、及びこれを用いた高周波磁性部品 |
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2017
- 2017-01-19 DE DE102017200810.5A patent/DE102017200810B4/de active Active
- 2017-01-23 JP JP2017009110A patent/JP6254723B2/ja active Active
- 2017-01-24 US US15/413,833 patent/US20170215308A1/en not_active Abandoned
- 2017-01-26 TW TW106103371A patent/TWI680114B/zh active
- 2017-01-26 CN CN201710057053.0A patent/CN106997802B/zh active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2022079820A1 (ja) * | 2020-10-14 | 2022-04-21 | 株式会社デラモーダ | ノイズフィルタ、フェライトコアの製造方法 |
Also Published As
Publication number | Publication date |
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CN106997802B (zh) | 2020-08-21 |
CN106997802A (zh) | 2017-08-01 |
DE102017200810B4 (de) | 2021-03-18 |
JP2017141147A (ja) | 2017-08-17 |
TWI680114B (zh) | 2019-12-21 |
US20170215308A1 (en) | 2017-07-27 |
DE102017200810A1 (de) | 2017-07-27 |
TW201741267A (zh) | 2017-12-01 |
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