JP6914617B2 - 積層コイル部品 - Google Patents
積層コイル部品 Download PDFInfo
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- JP6914617B2 JP6914617B2 JP2016095421A JP2016095421A JP6914617B2 JP 6914617 B2 JP6914617 B2 JP 6914617B2 JP 2016095421 A JP2016095421 A JP 2016095421A JP 2016095421 A JP2016095421 A JP 2016095421A JP 6914617 B2 JP6914617 B2 JP 6914617B2
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- element body
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- coil
- coil component
- Prior art date
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- 239000004020 conductor Substances 0.000 claims description 101
- 239000013078 crystal Substances 0.000 claims description 43
- 229910000859 α-Fe Inorganic materials 0.000 claims description 40
- 239000011521 glass Substances 0.000 claims description 32
- 239000011810 insulating material Substances 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 17
- 238000007747 plating Methods 0.000 description 31
- 239000002245 particle Substances 0.000 description 19
- 239000000463 material Substances 0.000 description 11
- 239000000843 powder Substances 0.000 description 9
- 239000002002 slurry Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000012212 insulator Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 229910052763 palladium Inorganic materials 0.000 description 7
- 229910052709 silver Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 239000011230 binding agent Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000009751 slip forming Methods 0.000 description 2
- 229910017518 Cu Zn Inorganic materials 0.000 description 1
- 229910017752 Cu-Zn Inorganic materials 0.000 description 1
- 229910017943 Cu—Zn Inorganic materials 0.000 description 1
- 229910018054 Ni-Cu Inorganic materials 0.000 description 1
- 229910018481 Ni—Cu Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910009369 Zn Mg Inorganic materials 0.000 description 1
- 229910007573 Zn-Mg Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000007606 doctor blade method Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Images
Classifications
-
- 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
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
-
- 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
- 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
- H01F17/04—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
- H01F27/02—Casings
- H01F27/022—Encapsulation
-
- 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
-
- 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
- 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
- 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
-
- 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
- H01F41/043—Printed circuit coils by thick film techniques
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
Claims (5)
- フェライト焼結体からなる素体と、
前記素体内に併置されている複数の内部導体が電気的に接続されて構成されたコイルと、
前記素体に配置されており、前記コイルと接続されている外部電極と、を備え、
前記外部電極は、前記素体に形成されていると共にガラスを含む焼結金属層を有し、
前記素体の表面を含む表面領域の平均結晶粒径が、前記素体における前記内部導体間の領域の平均結晶粒径よりも小さく、
前記素体の表面は、絶縁材料からなる層で覆われており、前記絶縁材料は、前記焼結金属層に含まれるガラスより軟化点が高いガラスであって、前記素体の前記表面を含む前記表面領域内における結晶粒間に存在しておらず、
前記絶縁材料からなる前記層には、前記外部電極に接続されている前記内部導体が存在していない複数の貫通孔が形成されている、積層コイル部品。 - 前記素体の前記表面を含む前記表面領域の平均結晶粒径が、0.5〜1.5μmである、請求項1に記載の積層コイル部品。
- 前記素体の前記表面の空孔率が、10〜30%である、請求項1又は2に記載の積層コイル部品。
- フェライト焼結体からなる素体と、
前記素体内に併置されている複数の内部導体が電気的に接続されて構成されたコイルと、
前記素体に配置されており、前記コイルと接続されている外部電極と、を備え、
前記素体の表面を含む表面領域の平均結晶粒径が、前記素体における前記内部導体間の領域の平均結晶粒径よりも小さく、
前記素体の表面は、絶縁材料からなる層で覆われており、前記絶縁材料は、前記素体の前記表面を含む前記表面領域内における結晶粒間に存在しておらず、
前記絶縁材料からなる前記層には、前記外部電極に接続されている前記内部導体が存在していない複数の貫通孔が形成されている、積層コイル部品。 - 前記絶縁材料が、ガラスである、請求項4に記載の積層コイル部品。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016095421A JP6914617B2 (ja) | 2016-05-11 | 2016-05-11 | 積層コイル部品 |
US15/497,314 US11011294B2 (en) | 2016-05-11 | 2017-04-26 | Multilayer coil component |
TW106114920A TWI623000B (zh) | 2016-05-11 | 2017-05-05 | Laminated coil parts |
CN201710325242.1A CN107403678B (zh) | 2016-05-11 | 2017-05-10 | 层叠线圈部件 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016095421A JP6914617B2 (ja) | 2016-05-11 | 2016-05-11 | 積層コイル部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017204565A JP2017204565A (ja) | 2017-11-16 |
JP6914617B2 true JP6914617B2 (ja) | 2021-08-04 |
Family
ID=60294854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016095421A Active JP6914617B2 (ja) | 2016-05-11 | 2016-05-11 | 積層コイル部品 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11011294B2 (ja) |
JP (1) | JP6914617B2 (ja) |
CN (1) | CN107403678B (ja) |
TW (1) | TWI623000B (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101963281B1 (ko) * | 2016-12-14 | 2019-03-28 | 삼성전기주식회사 | 인덕터 |
JP6575773B2 (ja) * | 2017-01-31 | 2019-09-18 | 株式会社村田製作所 | コイル部品、及び該コイル部品の製造方法 |
JP6702296B2 (ja) * | 2017-12-08 | 2020-06-03 | 株式会社村田製作所 | 電子部品 |
KR102064070B1 (ko) * | 2018-04-25 | 2020-01-08 | 삼성전기주식회사 | 코일 부품 |
JP7234552B2 (ja) * | 2018-09-21 | 2023-03-08 | Tdk株式会社 | 積層コイル部品 |
JP6983382B2 (ja) * | 2018-10-12 | 2021-12-17 | 株式会社村田製作所 | 積層コイル部品 |
KR102130678B1 (ko) * | 2019-04-16 | 2020-07-06 | 삼성전기주식회사 | 코일 전자 부품 |
JP7251395B2 (ja) * | 2019-08-05 | 2023-04-04 | 株式会社村田製作所 | 積層コイル部品 |
DE212021000485U1 (de) | 2021-02-01 | 2023-06-26 | Murata Manufacturing Co., Ltd. | Elektronisches Bauteil |
WO2022163140A1 (ja) | 2021-02-01 | 2022-08-04 | 株式会社村田製作所 | 電子部品 |
JP2022170162A (ja) * | 2021-04-28 | 2022-11-10 | Tdk株式会社 | 電子部品 |
JPWO2023084879A1 (ja) * | 2021-11-09 | 2023-05-19 | ||
CN117897785A (zh) * | 2021-11-09 | 2024-04-16 | 株式会社村田制作所 | 电子部件 |
JP2023072760A (ja) * | 2021-11-15 | 2023-05-25 | Tdk株式会社 | 電子部品 |
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JPH043407A (ja) * | 1990-04-20 | 1992-01-08 | Nippon Steel Corp | 電子部品ならびにその製造方法 |
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JPH0897025A (ja) * | 1994-09-27 | 1996-04-12 | Tokin Corp | チップトランス用磁性材料及びチップトランス |
JP3373328B2 (ja) * | 1995-04-28 | 2003-02-04 | 太陽誘電株式会社 | チップ状インダクタ |
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-
2016
- 2016-05-11 JP JP2016095421A patent/JP6914617B2/ja active Active
-
2017
- 2017-04-26 US US15/497,314 patent/US11011294B2/en active Active
- 2017-05-05 TW TW106114920A patent/TWI623000B/zh active
- 2017-05-10 CN CN201710325242.1A patent/CN107403678B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
TW201801105A (zh) | 2018-01-01 |
US20170330673A1 (en) | 2017-11-16 |
CN107403678B (zh) | 2019-12-13 |
TWI623000B (zh) | 2018-05-01 |
US11011294B2 (en) | 2021-05-18 |
CN107403678A (zh) | 2017-11-28 |
JP2017204565A (ja) | 2017-11-16 |
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