JP5980763B2 - コモンモードフィルタ及びその製造方法 - Google Patents
コモンモードフィルタ及びその製造方法 Download PDFInfo
- Publication number
- JP5980763B2 JP5980763B2 JP2013242659A JP2013242659A JP5980763B2 JP 5980763 B2 JP5980763 B2 JP 5980763B2 JP 2013242659 A JP2013242659 A JP 2013242659A JP 2013242659 A JP2013242659 A JP 2013242659A JP 5980763 B2 JP5980763 B2 JP 5980763B2
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- Prior art keywords
- insulating layer
- common mode
- mode filter
- external
- core insulating
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- 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 - Fee Related
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- 238000004519 manufacturing process Methods 0.000 title claims description 28
- 238000000034 method Methods 0.000 claims description 34
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- 229910052751 metal Inorganic materials 0.000 claims description 23
- 238000005530 etching Methods 0.000 claims description 9
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 238000007747 plating Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 87
- 239000011347 resin Substances 0.000 description 7
- 229920005989 resin Polymers 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012792 core layer Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 229920005668 polycarbonate resin Polymers 0.000 description 1
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- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
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- 229920006324 polyoxymethylene Polymers 0.000 description 1
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Images
Classifications
-
- 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
- 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
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- 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
- H01F17/00—Fixed inductances of the signal type
- H01F2017/0093—Common mode choke coil
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Coils Or Transformers For Communication (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
- Filters And Equalizers (AREA)
Description
110 コア絶縁層
111、112 コイル電極
120 外部電極端子
130 外部絶縁層
140 表面電極
151 ビア
152 接続電極
Claims (10)
- コア絶縁層と、
前記コア絶縁層の両面上に形成されたコイル電極と、
前記コイル電極の端部と連結され、コア絶縁層の表面上に直接配置された外部電極端子と、
前記コア絶縁層の表面を覆う外部絶縁層と、を含み、
前記外部電極端子は、前記コア絶縁層の両面上に互いに対向するように形成され、接続電極によって連結される、コモンモードフィルタ。 - 前記コア絶縁層の両面上に形成されたコイル電極は前記コア絶縁層を貫通するビアにより連結される、請求項1に記載のコモンモードフィルタ。
- 前記コイル電極は同一層に交番して配置される第1コイル電極と第2コイル電極で構成される、請求項1に記載のコモンモードフィルタ。
- 前記外部絶縁層の厚さは前記外部電極端子の厚さと同一である、請求項1に記載のコモンモードフィルタ。
- 前記外部絶縁層の一面に形成され、前記外部電極端子と接合する表面電極をさらに含む、請求項1に記載のコモンモードフィルタ。
- 両面に金属層が積層されたコア絶縁層を設ける段階と、
前記金属層における外部電極端子形成領域以外の他の領域にハーフエッチング(half etching)を施す段階と、
ハーフエッチングされた領域の金属層を選択的にエッチングしてコイル電極を形成する段階と、
前記コア絶縁層の両面に互いに対向するように形成された前記外部電極端子を連結する接続電極を形成する段階と、
前記コア絶縁層の表面を覆う外部絶縁層を形成する段階と、を含み、前記外部電極端子はコア絶縁層の表面上に直接配置される、コモンモードフィルタの製造方法。 - 前記設けられたコア絶縁層の両面に積層された金属層の厚さは前記外部電極端子の厚さと同一である、請求項6に記載のコモンモードフィルタの製造方法。
- 前記コイル電極を形成した後、前記コイル電極と前記コア絶縁層を貫通するホール(hole)を加工し、前記ホールの内部にフィルメッキを施してビアを形成する、請求項6に記載のコモンモードフィルタの製造方法。
- 前記外部絶縁層を形成する際に、前記外部絶縁層を前記外部電極端子の高さまで形成する、請求項6に記載のコモンモードフィルタの製造方法。
- 前記外部電極端子と接合する表面電極を前記外部絶縁層の一面に形成する、請求項6に記載のコモンモードフィルタの製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2012-0153494 | 2012-12-26 | ||
KR1020120153494A KR101365368B1 (ko) | 2012-12-26 | 2012-12-26 | 공통모드필터 및 이의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014127717A JP2014127717A (ja) | 2014-07-07 |
JP5980763B2 true JP5980763B2 (ja) | 2016-08-31 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013242659A Expired - Fee Related JP5980763B2 (ja) | 2012-12-26 | 2013-11-25 | コモンモードフィルタ及びその製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US9899141B2 (ja) |
JP (1) | JP5980763B2 (ja) |
KR (1) | KR101365368B1 (ja) |
Families Citing this family (20)
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---|---|---|---|---|
CN105849831B (zh) * | 2014-06-04 | 2018-01-19 | 株式会社村田制作所 | 电子部件及其制造方法 |
GB2529635A (en) * | 2014-08-26 | 2016-03-02 | Univ College Cork Nat Univ Ie | Centre-tapped transformer |
KR101686989B1 (ko) | 2014-08-07 | 2016-12-19 | 주식회사 모다이노칩 | 파워 인덕터 |
KR101662207B1 (ko) * | 2014-09-11 | 2016-10-06 | 주식회사 모다이노칩 | 파워 인덕터 |
KR101751117B1 (ko) * | 2015-07-31 | 2017-06-26 | 삼성전기주식회사 | 코일 전자 부품 및 그 제조방법 |
JP6561745B2 (ja) * | 2015-10-02 | 2019-08-21 | 株式会社村田製作所 | インダクタ部品、パッケージ部品およびスィッチングレギュレータ |
US11227825B2 (en) * | 2015-12-21 | 2022-01-18 | Intel Corporation | High performance integrated RF passives using dual lithography process |
JP6451654B2 (ja) * | 2016-01-07 | 2019-01-16 | 株式会社村田製作所 | コイル部品 |
CN112992504A (zh) * | 2016-05-16 | 2021-06-18 | 株式会社村田制作所 | 电子部件 |
KR101876878B1 (ko) * | 2017-03-16 | 2018-07-11 | 삼성전기주식회사 | 코일 부품 |
JP6912976B2 (ja) | 2017-09-04 | 2021-08-04 | 株式会社村田製作所 | インダクタ部品 |
KR101983192B1 (ko) | 2017-09-15 | 2019-05-28 | 삼성전기주식회사 | 코일 전자부품 |
JP6780629B2 (ja) * | 2017-11-27 | 2020-11-04 | 株式会社村田製作所 | 積層型コイル部品 |
JP2019096818A (ja) | 2017-11-27 | 2019-06-20 | 株式会社村田製作所 | 積層型コイル部品 |
KR102185057B1 (ko) * | 2018-07-04 | 2020-12-01 | 삼성전기주식회사 | 코일 부품 |
KR102172639B1 (ko) * | 2019-07-24 | 2020-11-03 | 삼성전기주식회사 | 코일 전자 부품 |
US11783992B2 (en) * | 2019-09-06 | 2023-10-10 | Cyntec Co., Ltd. | Integrally-formed inductor and a fabricatin method thereof |
KR102230044B1 (ko) * | 2019-12-12 | 2021-03-19 | 삼성전기주식회사 | 코일 부품 |
JP7253520B2 (ja) * | 2020-08-21 | 2023-04-06 | 株式会社村田製作所 | インダクタ部品 |
KR20220029210A (ko) * | 2020-09-01 | 2022-03-08 | 삼성전기주식회사 | 코일 부품 |
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JPH07272934A (ja) * | 1994-03-31 | 1995-10-20 | Canon Inc | プリント基板 |
JP3120682B2 (ja) * | 1995-01-09 | 2000-12-25 | 株式会社村田製作所 | チップ型フィルタ |
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-
2012
- 2012-12-26 KR KR1020120153494A patent/KR101365368B1/ko active IP Right Grant
-
2013
- 2013-11-25 JP JP2013242659A patent/JP5980763B2/ja not_active Expired - Fee Related
- 2013-12-23 US US14/139,433 patent/US9899141B2/en active Active
Also Published As
Publication number | Publication date |
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JP2014127717A (ja) | 2014-07-07 |
US20140176284A1 (en) | 2014-06-26 |
US9899141B2 (en) | 2018-02-20 |
KR101365368B1 (ko) | 2014-02-24 |
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