JP7323268B2 - 磁性配線回路基板およびその製造方法 - Google Patents
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- 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
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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
- H01F17/0006—Printed inductances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
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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
-
- 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
- H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
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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
- H01F41/04—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
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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
- H01F41/04—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
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- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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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
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- H01F2017/048—Fixed inductances of the signal type with magnetic core with encapsulating core, e.g. made of resin and magnetic 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
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
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- H05K2201/086—Magnetic materials for inductive purposes, e.g. printed inductor with ferrite core
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- H—ELECTRICITY
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- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
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- Manufacturing Cores, Coils, And Magnets (AREA)
- Soft Magnetic Materials (AREA)
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Description
本発明の配線回路基板の一実施形態である磁性配線回路基板1を、図1を参照して説明する。
配線部3の厚みの、配線部3の幅に対する比(厚み/幅)は、例えば、0.005以上、好ましくは、0.03以上であり、また、例えば、25以下、好ましくは、5以下である。配線部3の厚みの、隣り合う配線部3間の間隔に対する比(厚み/間隔)は、例えば、0.01以上、好ましくは、0.06以上であり、また、例えば、25以下、好ましくは、5以下である。配線部3の幅の、隣り合う配線部3間の間隔に対する比(幅/間隔)は、例えば、0.02以上、好ましくは、0.01以上であり、また、例えば、100以下、好ましくは、20以下である。
以下の各変形例において、上記した一実施形態と同様の部材および工程については、同一の参照符号を付し、その詳細な説明を省略する。また、各変形例は、特記する以外、一実施形態と同様の作用効果を奏することができる。さらに、一実施形態およびその変形例を適宜組み合わせることができる。
2 第1絶縁層
3 配線
5 磁性層
7 第1絶縁面
9 第1配線面
10 第2配線面
11 配線側面
17 磁性シート
21 第1角部
22 第2角部
27 テーパ部
Claims (3)
- 絶縁層と、
前記絶縁層の厚み方向一方面に配置される配線であって、前記絶縁層の前記厚み方向一方面に間隔を隔てて対向配置される厚み方向一方面、前記絶縁層の前記厚み方向一方面に接触する厚み方向他方面、前記厚み方向一方面および前記厚み方向他方面の両端縁を連結する側面を有する前記配線と、
アスペクト比が2以上である形状を有する軟磁性粒子を含有し、前記配線を埋設する磁性層とを備え、
前記配線は、
前記厚み方向一方面および前記側面によって形成され、略湾曲形状を有する第1角部と、
前記厚み方向他方面および前記側面によって形成され、互いに向かい合う2つの前記側面間の長さが前記厚み方向他方面に近づくに従って長くなる部分を有する第2角部とを有し、
前記軟磁性粒子は、前記第1角部の湾曲形状に沿って配向することを特徴とする、磁性配線回路基板。 - 前記第1角部の曲率半径Rが、9μm以上であることを特徴とする、請求項1に記載の磁性配線回路基板。
- 絶縁層と、 前記絶縁層の厚み方向一方面に配置される配線であって、前記絶縁層の前記厚み方向一方面に間隔を隔てて対向配置される厚み方向一方面、前記絶縁層の前記厚み方向一方面に接触する厚み方向他方面、前記厚み方向一方面および前記厚み方向他方面の両端縁を連結する側面を有する前記配線とを準備する工程、および、
アスペクト比が2以上である形状を有する軟磁性粒子を含有し、前記配線を埋設するように、磁性層を形成する工程を備え、
前記配線は、
前記厚み方向一方面および前記側面によって形成され、略湾曲形状を有する第1角部と、
前記厚み方向他方面および前記側面によって形成され、互いに向かい合う2つの前記側面間の長さが前記厚み方向他方面に近づくに従って長くなる部分を有する第2角部とを有し、
前記磁性層を形成する工程では、前記厚み方向に直交する方向に配向される前記磁性粒子を含有する磁性シートを、前記配線に対して熱プレスし、
前記磁性層を形成する工程では、前記軟磁性粒子は、前記第1角部の湾曲形状に沿って配向することを特徴とする、磁性配線回路基板の製造方法。
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JP2018049135A JP7323268B2 (ja) | 2018-03-16 | 2018-03-16 | 磁性配線回路基板およびその製造方法 |
KR1020207026372A KR102638523B1 (ko) | 2018-03-16 | 2018-10-19 | 자성 배선 회로 기판 및 그 제조 방법 |
CN201880090930.7A CN111837205B (zh) | 2018-03-16 | 2018-10-19 | 磁性布线电路基板及其制造方法 |
US16/980,614 US11508507B2 (en) | 2018-03-16 | 2018-10-19 | Magnetic wiring circuit board and producing method thereof |
PCT/JP2018/039082 WO2019176152A1 (ja) | 2018-03-16 | 2018-10-19 | 磁性配線回路基板およびその製造方法 |
EP18909811.4A EP3767650A4 (en) | 2018-03-16 | 2018-10-19 | MAGNETIC CIRCUIT BOARD AND METHOD OF MANUFACTURING THEREOF |
TW107137340A TWI821207B (zh) | 2018-03-16 | 2018-10-23 | 磁性配線電路基板及其製造方法 |
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JP2022034441A (ja) * | 2020-08-18 | 2022-03-03 | Tdk株式会社 | コイル部品及びこれを用いた無線通信回路 |
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- 2018-10-19 CN CN201880090930.7A patent/CN111837205B/zh active Active
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CN111837205A (zh) | 2020-10-27 |
EP3767650A1 (en) | 2021-01-20 |
KR102638523B1 (ko) | 2024-02-19 |
US20210249171A1 (en) | 2021-08-12 |
TWI821207B (zh) | 2023-11-11 |
TW201940020A (zh) | 2019-10-01 |
KR20200130825A (ko) | 2020-11-20 |
EP3767650A4 (en) | 2021-12-22 |
US11508507B2 (en) | 2022-11-22 |
JP2019161152A (ja) | 2019-09-19 |
WO2019176152A1 (ja) | 2019-09-19 |
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