JP6060508B2 - 平面コイル素子およびその製造方法 - Google Patents
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- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000002184 metal Substances 0.000 claims description 195
- 229910052751 metal Inorganic materials 0.000 claims description 195
- 239000006247 magnetic powder Substances 0.000 claims description 191
- 239000002245 particle Substances 0.000 claims description 74
- 229920005989 resin Polymers 0.000 claims description 64
- 239000011347 resin Substances 0.000 claims description 64
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- 238000005259 measurement Methods 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 229910000889 permalloy Inorganic materials 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- 239000000843 powder Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 238000007650 screen-printing Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- JYEUMXHLPRZUAT-UHFFFAOYSA-N 1,2,3-triazine Chemical compound C1=CN=NN=C1 JYEUMXHLPRZUAT-UHFFFAOYSA-N 0.000 description 1
- XQUPVDVFXZDTLT-UHFFFAOYSA-N 1-[4-[[4-(2,5-dioxopyrrol-1-yl)phenyl]methyl]phenyl]pyrrole-2,5-dione Chemical compound O=C1C=CC(=O)N1C(C=C1)=CC=C1CC1=CC=C(N2C(C=CC2=O)=O)C=C1 XQUPVDVFXZDTLT-UHFFFAOYSA-N 0.000 description 1
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- 239000004760 aramid Substances 0.000 description 1
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- 230000008901 benefit Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- XLJMAIOERFSOGZ-UHFFFAOYSA-M cyanate Chemical compound [O-]C#N XLJMAIOERFSOGZ-UHFFFAOYSA-M 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
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- 230000004907 flux Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
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- 239000000696 magnetic material Substances 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
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- 235000011837 pasties Nutrition 0.000 description 1
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- 229910000702 sendust Inorganic materials 0.000 description 1
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- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
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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
-
- 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
- H01F41/04—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 for manufacturing coils
-
- 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
- H01F1/14—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 metals or alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0013—Printed inductances with stacked layers
-
- 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
- H01F27/24—Magnetic cores
- H01F27/255—Magnetic cores made from particles
-
- 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
-
- 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
- H01F41/04—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 for manufacturing coils
- H01F41/041—Printed circuit coils
- H01F41/046—Printed circuit coils structurally combined with ferromagnetic material
-
- 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
- H01F17/045—Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core
- H01F2017/046—Fixed inductances of the signal type with magnetic core with core of cylindric geometry and coil wound along its longitudinal axis, i.e. rod or drum core helical coil made of flat wire, e.g. with smaller extension of wire cross section in the direction of the longitudinal axis
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
- H01F27/292—Surface mounted devices
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Coils Or Transformers For Communication (AREA)
- Soft Magnetic Materials (AREA)
Description
図9、10は、第2の金属磁性粉30の平均アスペクト比に対する粘度の傾向を調べるために、発明者らがおこなった実験の結果である。この実験では、平均粒径が異なる3種の第1の金属磁性粉(パーマロイ)それぞれに、低い平均アスペクト比(1.2)と高い平均アスペクト比(2.8)の第2の金属磁性粉(カルボニル鉄)とを加えたサンプル1〜6を準備し、それぞれのサンプルにおいて4つの回転数(1、2.5、5、10)における粘度を測定した。
図11は、第2の金属磁性粉の平均粒径の好適な範囲を求めるために、発明者らがおこなった実験の結果である。この実験では、第2の金属磁性粉の平均粒径が異なる3つのサンプル(サンプルA、サンプルB、サンプルC)において4つの回転数(1、2.5、5、10)における粘度を測定した。
Claims (2)
- 基板と、前記基板上に設けられた平面コイル用の導体パターンとを有するコイル部と、
前記コイル部を囲う、金属磁性粉含有樹脂で構成された塗布体と、
前記金属磁性粉含有樹脂に含まれる扁平状または針状の第1の金属磁性粉と、
前記金属磁性粉含有樹脂に含まれ、前記第1の金属磁性粉の平均粒径よりも小さい平均粒径を有する第2の金属磁性粉と
を備え、
前記第1の金属磁性粉の平均アスペクト比と前記第2の金属磁性粉の平均アスペクト比とが異なり、前記第2の金属磁性粉の平均アスペクト比が1.0〜1.5であり、前記第2の金属磁性粉の平均粒径が1〜4μmである、平面コイル素子。 - 基板と、前記基板上に設けられた平面コイル用の導体パターンとを有するコイル部を準備する工程と、
扁平状または針状の第1の金属磁性粉と、前記第1の金属磁性粉の平均粒径よりも小さい平均粒径を有する第2の金属磁性粉とを含む金属磁性粉含有樹脂ペーストを準備する工程と、
前記金属磁性粉含有樹脂ペーストを前記コイル部を囲うように塗布し、硬化させる工程と
を含み、
前記第1の金属磁性粉の平均アスペクト比と前記第2の金属磁性粉の平均アスペクト比とが異なり、前記第2の金属磁性粉の平均アスペクト比が1.0〜1.5であり、前記第2の金属磁性粉の平均粒径が1〜4μmである、平面コイル素子の製造方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012070014A JP6060508B2 (ja) | 2012-03-26 | 2012-03-26 | 平面コイル素子およびその製造方法 |
US13/848,441 US10147540B2 (en) | 2012-03-26 | 2013-03-21 | Planar coil element and method for producing the same |
KR1020130030752A KR101598384B1 (ko) | 2012-03-26 | 2013-03-22 | 평면 코일 소자 및 그 제조 방법 |
CN2013100999497A CN103366920A (zh) | 2012-03-26 | 2013-03-26 | 平面线圈元件以及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012070014A JP6060508B2 (ja) | 2012-03-26 | 2012-03-26 | 平面コイル素子およびその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013201375A JP2013201375A (ja) | 2013-10-03 |
JP6060508B2 true JP6060508B2 (ja) | 2017-01-18 |
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JP2012070014A Active JP6060508B2 (ja) | 2012-03-26 | 2012-03-26 | 平面コイル素子およびその製造方法 |
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Country | Link |
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US (1) | US10147540B2 (ja) |
JP (1) | JP6060508B2 (ja) |
KR (1) | KR101598384B1 (ja) |
CN (1) | CN103366920A (ja) |
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