JP6207107B2 - コイル電子部品及びその製造方法 - Google Patents
コイル電子部品及びその製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 26
- 238000007747 plating Methods 0.000 claims description 148
- 239000000758 substrate Substances 0.000 claims description 55
- 238000000034 method Methods 0.000 claims description 47
- 239000004020 conductor Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 9
- 238000010030 laminating Methods 0.000 claims description 4
- 238000000059 patterning Methods 0.000 claims 3
- 239000010408 film Substances 0.000 description 56
- 230000001965 increasing effect Effects 0.000 description 13
- 229910000859 α-Fe Inorganic materials 0.000 description 9
- 239000000696 magnetic material Substances 0.000 description 8
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- 239000002184 metal Substances 0.000 description 6
- 239000006247 magnetic powder Substances 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 239000004593 Epoxy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000007772 electroless plating Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920001451 polypropylene glycol Polymers 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910018605 Ni—Zn Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910007565 Zn—Cu Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000462 isostatic pressing Methods 0.000 description 1
- 239000005300 metallic glass Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- 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
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
-
- 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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/323—Insulation between winding turns, between winding 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
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
-
- 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
-
- 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
- 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
- H01F41/12—Insulating of windings
- H01F41/122—Insulating between turns or between winding layers
-
- 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
- H01F41/12—Insulating of windings
- H01F41/125—Other insulating structures; Insulating between coil and core, between different winding sections, around the coil
-
- 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
- H01F2017/0073—Printed inductances with a special conductive pattern, e.g. flat spiral
-
- 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
- H01F2017/048—Fixed inductances of the signal type with magnetic core with encapsulating core, e.g. made of resin and magnetic powder
-
- 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
- H01F27/2804—Printed windings
- H01F2027/2809—Printed windings on stacked layers
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)
Description
図1は本発明の一実施形態によるコイル電子部品の内部コイル部が現れるように示す概略斜視図である。
図5aから図5fは本発明の一実施形態によるコイル電子部品の製造方法を順に示す図面である。
図7は図1のコイル電子部品が印刷回路基板に実装された形状を示す斜視図である。
1000 実装基板
1100 印刷回路基板
1110、1120 第1及び第2電極パッド
1130 半田
20 基板
25 ベース導体層
30 絶縁膜
31 カバー絶縁層
41、42 第1及び第2コイル部
45 ビア
51a、51b、51c、51d、51e、51f 磁性体シート
50 磁性体本体
55 コア部
61 めっき層
62 異方めっき層
71 レジストパターン
Claims (19)
- 磁性体本体を含み、
前記磁性体本体は、基板と、前記基板の少なくとも一面上に配置されパターニングされた絶縁膜、及び前記パターニングされた絶縁膜の間に、ベース導体層、及び前記ベース導体層上にめっきで形成されためっき層を含むコイル部と、を含み、前記めっき層は前記基板の一面に平行に測定された幅に比べて厚さが同一であるか、またはより大きく、前記ベース導体層の側面の少なくとも一部は前記絶縁膜の側面と接する、コイル電子部品。 - 前記磁性体本体は、前記絶縁膜及びめっき層の上部に配置されたカバー絶縁層をさらに含み、
前記カバー絶縁層は前記絶縁膜と異なる材料からなる、請求項1に記載のコイル電子部品。 - 前記めっき層は、前記基板の表面から垂直で測定された厚さTpが200μm以上であり、前記めっき層の断面において前記めっき層の幅Wpに対する厚さTpの比であるアスペクト比(Aspect Ratio)が1.0以上である、請求項1または2に記載のコイル電子部品。
- 前記絶縁膜の幅は1μm〜20μmである、請求項1〜3のいずれか一項に記載のコイル電子部品。
- 磁性体本体を含み、
前記磁性体本体は、基板と、前記基板の少なくとも一面上に配置されパターニングされた絶縁膜、及び前記パターニングされた絶縁膜の間にめっきで形成されためっき層を含むコイル部と、を含み、前記めっき層は前記基板の一面に平行に測定された幅に比べて厚さが同一であるか、またはより大きく、
前記めっき層の上部に異方めっき層がさらに配置され、
前記めっき層の上面の全体は前記異方めっき層の下面と接する、コイル電子部品。 - 基板上にベース導体層をパターニングする段階と、
前記ベース導体層が露出するように絶縁膜をパターニングする段階と、
前記パターニングされた絶縁膜の間に前記ベース導体層を基礎にめっきを行ってめっき層を形成する段階と、
形成された基板の上部及び下部に磁性体シートを積層して磁性体本体を形成する段階と、を含み、
前記ベース導体層の側面の少なくとも一部は、前記絶縁膜の側面と接するように形成する、コイル電子部品の製造方法。 - 前記磁性体本体を形成する段階の前に、前記絶縁膜及びめっき層の上部に前記絶縁膜と異なる材料でカバー絶縁層を形成する段階をさらに含む、請求項6に記載のコイル電子部品の製造方法。
- 前記めっき層を形成する段階は1回のめっきで行われる、請求項6または7に記載のコイル電子部品の製造方法。
- 前記めっき層は、前記基板の表面から垂直で測定された厚さTpが200μm以上であり、前記めっき層の断面において前記めっき層の幅Wpに対する厚さTpの比であるアスペクト比(Aspect Ratio)が1.0以上である、請求項6〜8のいずれか一項に記載のコイル電子部品の製造方法。
- 前記絶縁膜の幅は1μm〜20μmである、請求項6〜9のいずれか一項に記載のコイル電子部品の製造方法。
- 前記めっき層は前記パターニングされた絶縁膜の間に等方めっき法で形成される、請求項6〜10のいずれか一項に記載のコイル電子部品の製造方法。
- 前記めっき層を形成する段階の後に、前記めっき層の上部に異方めっきを行って異方めっき層を形成する段階をさらに含む、請求項11に記載のコイル電子部品の製造方法。
- 基板の一面上に絶縁膜を形成し、且つ前記絶縁膜にコイルパターンをパターニングし、前記パターニングされた絶縁膜の厚さを前記パターニングされた絶縁膜の間の空間より大きいか、または同一にする段階と、
前記パターニングされた絶縁膜の間にめっき層を形成する段階と、を含み、
前記めっき層を形成する段階後に、前記めっき層の上部に異方めっきを行って異方めっき層を形成する段階と、を含み、
前記めっき層の上面の全体は前記異方めっき層の下面と接するように形成する、コイル電子部品の製造方法。 - 前記基板の表面から垂直で測定された前記絶縁膜の厚さをTp、前記基板の一面に平行に測定された絶縁膜の幅をWiとすると、絶縁膜の幅Wiに対する厚さTpのアスペクト比(Aspect Ratio、Tp/Wi)が10以上である、請求項13に記載のコイル電子部品の製造方法。
- 前記絶縁膜の厚さTpは200μm以上であり、前記絶縁膜の幅Wiは1〜20μmである、請求項14に記載のコイル電子部品の製造方法。
- 前記めっき層は、前記基板の表面から垂直で測定された厚さTpが200μm以上であり、前記めっき層の断面において前記めっき層の幅Wpに対する厚さTpの比であるアスペクト比(Aspect Ratio、Tp/Wp)が1.0以上である、請求項13〜15のいずれか一項に記載のコイル電子部品の製造方法。
- 前記めっき層は1回のめっきで200μm以上の厚さで形成される、請求項13〜16のいずれか一項に記載のコイル電子部品の製造方法。
- 前記めっき層は等方めっき法で形成される、請求項13〜17のいずれか一項に記載のコイル電子部品の製造方法。
- 前記絶縁膜を形成する段階は、基板の両面に形成し、且つ前記絶縁膜にコイルパターンをパターニングし、前記パターニングされた絶縁膜の厚さを前記パターニングされた絶縁膜の間の空間より大きいか、または同一にする段階と、
前記基板の両面に形成されパターニングされた絶縁膜の間にめっき層を形成する段階と、
前記基板を貫通するようにビアを形成して基板の両面にそれぞれ形成されためっき層を互いに電気的に連結する段階と、を含む、請求項13〜18のいずれか一項に記載のコイル電子部品の製造方法。
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KR1020150108683A KR101751117B1 (ko) | 2015-07-31 | 2015-07-31 | 코일 전자 부품 및 그 제조방법 |
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US (2) | US10902988B2 (ja) |
JP (1) | JP6207107B2 (ja) |
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CN (2) | CN106409469B (ja) |
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KR101942730B1 (ko) | 2017-02-20 | 2019-01-28 | 삼성전기 주식회사 | 코일 전자부품 |
KR102369430B1 (ko) * | 2017-03-15 | 2022-03-03 | 삼성전기주식회사 | 코일 전자부품 및 그의 실장 기판 |
KR101876878B1 (ko) * | 2017-03-16 | 2018-07-11 | 삼성전기주식회사 | 코일 부품 |
KR101952872B1 (ko) | 2017-06-23 | 2019-05-17 | 삼성전기주식회사 | 코일 부품 및 그의 제조방법 |
KR101963287B1 (ko) | 2017-06-28 | 2019-03-28 | 삼성전기주식회사 | 코일 부품 및 그의 제조방법 |
KR101983192B1 (ko) | 2017-09-15 | 2019-05-28 | 삼성전기주식회사 | 코일 전자부품 |
US10930425B2 (en) * | 2017-10-25 | 2021-02-23 | Samsung Electro-Mechanics Co., Ltd. | Inductor |
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