JP4530044B2 - 積層コイル部品 - Google Patents
積層コイル部品 Download PDFInfo
- Publication number
- JP4530044B2 JP4530044B2 JP2007530525A JP2007530525A JP4530044B2 JP 4530044 B2 JP4530044 B2 JP 4530044B2 JP 2007530525 A JP2007530525 A JP 2007530525A JP 2007530525 A JP2007530525 A JP 2007530525A JP 4530044 B2 JP4530044 B2 JP 4530044B2
- Authority
- JP
- Japan
- Prior art keywords
- ferrite
- coil
- laminated
- coil component
- conductor
- Prior art date
- 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
Links
- 229910000859 α-Fe Inorganic materials 0.000 claims description 103
- 239000004020 conductor Substances 0.000 claims description 35
- 238000010304 firing Methods 0.000 claims description 21
- 239000000203 mixture Substances 0.000 claims description 12
- 229910017518 Cu Zn Inorganic materials 0.000 claims description 4
- 229910017752 Cu-Zn Inorganic materials 0.000 claims description 4
- 229910017943 Cu—Zn Inorganic materials 0.000 claims description 4
- 229910018605 Ni—Zn Inorganic materials 0.000 claims description 3
- 230000008602 contraction Effects 0.000 description 11
- 238000009826 distribution Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 239000010953 base metal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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
- H01F17/0006—Printed inductances
- H01F17/0013—Printed inductances with stacked layers
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/26—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on ferrites
- C04B35/265—Compositions containing one or more ferrites of the group comprising manganese or zinc and one or more ferrites of the group comprising nickel, copper or cobalt
-
- 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
- H01F1/34—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 non-metallic substances, e.g. ferrites
- H01F1/342—Oxides
- H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
- C04B2235/3279—Nickel oxides, nickalates, or oxide-forming salts thereof
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3281—Copper oxides, cuprates or oxide-forming salts thereof, e.g. CuO or Cu2O
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/30—Constituents and secondary phases not being of a fibrous nature
- C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
- C04B2235/3284—Zinc oxides, zincates, cadmium oxides, cadmiates, mercury oxides, mercurates or oxide forming salts thereof
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Dispersion Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
- Soft Magnetic Materials (AREA)
Description
本発明の第1実施例である積層コイル部品1Aは、図1に示すように、内部にコイル10が配設された第1のフェライトからなる積層体主要部21と、コイル軸方向Aの両端部(上下部)に形成された第2のフェライトからなる積層体端部22とを備え、積層体20の左右端部に外部電極23を設けたものである。図2はその断面を示す。
図7に示す積層コイル部品1Bは、コイル50をそのコイル軸方向Aが実装面5に対して平行に配置されるように第1のフェライトからなる積層体主要部61に配設し、コイル軸方向Aの両端部(積層体60の左右端部)に第2のフェライトからなる積層体端部62を設けたものである。
なお、本発明に係る積層コイル部品は、前記実施例に限定されるものではなく、その要旨の範囲内で種々に変更することができる。
Claims (5)
- 内部にコイルが配設された第1のフェライトからなる積層体主要部と、
前記積層体主要部のコイル軸方向両端部の少なくとも一方に形成された第2のフェライトからなる積層体端部と、を備え、
前記第1のフェライトと前記第2のフェライトは、フェライトの組成が異なり、かつ、第2のフェライトの焼成時の収縮率が第1のフェライトの焼成時の収縮率よりも大きいこと、
を特徴とする積層コイル部品。 - 前記第1のフェライト及び前記第2のフェライトは、Ni−Cu−Zn系フェライト又はNi−Zn系フェライトであることを特徴とする請求の範囲第1項に記載の積層コイル部品。
- 前記第2のフェライトのZnの含有量は、前記第1のフェライトのZnの含有量よりも多いことを特徴とする請求の範囲第1項又は第2項に記載の積層コイル部品。
- 前記第2のフェライトにはZnが25〜70mol%含有されていることを特徴とする請求の範囲第1項ないし第3項のいずれかに記載の積層コイル部品。
- 前記コイルはAgからなるコイル導体をビアホール導体を介して接続して螺旋状に構成されていることを特徴とする請求の範囲第1項ないし第4項のいずれかに記載の積層コイル部品。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005380607 | 2005-12-29 | ||
JP2005380607 | 2005-12-29 | ||
PCT/JP2006/321884 WO2007074580A1 (ja) | 2005-12-29 | 2006-11-01 | 積層コイル部品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2007074580A1 JPWO2007074580A1 (ja) | 2009-06-04 |
JP4530044B2 true JP4530044B2 (ja) | 2010-08-25 |
Family
ID=38217806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007530525A Expired - Fee Related JP4530044B2 (ja) | 2005-12-29 | 2006-11-01 | 積層コイル部品 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JP4530044B2 (ja) |
KR (1) | KR100820025B1 (ja) |
CN (1) | CN101103420B (ja) |
TW (1) | TW200733153A (ja) |
WO (1) | WO2007074580A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5195669B2 (ja) * | 2009-06-29 | 2013-05-08 | Tdk株式会社 | フェライトコアおよび電子部品 |
KR101603827B1 (ko) | 2011-06-15 | 2016-03-16 | 가부시키가이샤 무라타 세이사쿠쇼 | 적층 코일 부품 |
WO2012173147A1 (ja) | 2011-06-15 | 2012-12-20 | 株式会社 村田製作所 | 積層コイル部品、及び該積層コイル部品の製造方法 |
WO2013038752A1 (ja) * | 2011-09-14 | 2013-03-21 | 株式会社村田製作所 | インダクタ素子およびその製造方法 |
JP5505571B2 (ja) | 2012-04-27 | 2014-05-28 | 株式会社村田製作所 | コイルアンテナおよび通信端末装置 |
KR101408525B1 (ko) * | 2012-11-20 | 2014-06-17 | 삼성전기주식회사 | 적층형 코일 부품 |
KR101408617B1 (ko) | 2012-11-20 | 2014-06-17 | 삼성전기주식회사 | 적층형 코일 부품 |
TW201434068A (zh) * | 2013-02-23 | 2014-09-01 | Conquer Electronics Co Ltd | 垂直繞線中空保險絲之製法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0696940A (ja) * | 1991-05-02 | 1994-04-08 | American Teleph & Telegr Co <Att> | 固体複合磁性素子の製造方法 |
JPH0766030A (ja) * | 1993-08-24 | 1995-03-10 | Tokin Corp | 積層型磁気素子及びその製造方法 |
JP2005294725A (ja) * | 2004-04-05 | 2005-10-20 | Murata Mfg Co Ltd | 積層型セラミック電子部品及び該積層型セラミック電子部品の製造方法 |
JP2005306696A (ja) * | 2004-04-26 | 2005-11-04 | Matsushita Electric Ind Co Ltd | 磁性フェライトおよびそれを用いたコモンモードノイズフィルタ並びにチップトランス |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4293936B2 (ja) * | 2004-04-21 | 2009-07-08 | Tdk株式会社 | Mn−Zn系フェライト部材 |
-
2006
- 2006-11-01 JP JP2007530525A patent/JP4530044B2/ja not_active Expired - Fee Related
- 2006-11-01 WO PCT/JP2006/321884 patent/WO2007074580A1/ja active Application Filing
- 2006-11-01 CN CN200680002400XA patent/CN101103420B/zh not_active Expired - Fee Related
- 2006-11-01 KR KR1020077014738A patent/KR100820025B1/ko active IP Right Grant
- 2006-12-22 TW TW095148632A patent/TW200733153A/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0696940A (ja) * | 1991-05-02 | 1994-04-08 | American Teleph & Telegr Co <Att> | 固体複合磁性素子の製造方法 |
JPH0766030A (ja) * | 1993-08-24 | 1995-03-10 | Tokin Corp | 積層型磁気素子及びその製造方法 |
JP2005294725A (ja) * | 2004-04-05 | 2005-10-20 | Murata Mfg Co Ltd | 積層型セラミック電子部品及び該積層型セラミック電子部品の製造方法 |
JP2005306696A (ja) * | 2004-04-26 | 2005-11-04 | Matsushita Electric Ind Co Ltd | 磁性フェライトおよびそれを用いたコモンモードノイズフィルタ並びにチップトランス |
Also Published As
Publication number | Publication date |
---|---|
KR20070088748A (ko) | 2007-08-29 |
JPWO2007074580A1 (ja) | 2009-06-04 |
TWI317528B (ja) | 2009-11-21 |
TW200733153A (en) | 2007-09-01 |
CN101103420B (zh) | 2011-09-28 |
WO2007074580A1 (ja) | 2007-07-05 |
KR100820025B1 (ko) | 2008-04-08 |
CN101103420A (zh) | 2008-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4530044B2 (ja) | 積層コイル部品 | |
US6459351B1 (en) | Multilayer component having inductive impedance | |
US6515568B1 (en) | Multilayer component having inductive impedance | |
KR101994722B1 (ko) | 적층형 전자부품 | |
KR101792281B1 (ko) | 파워 인덕터 및 그 제조 방법 | |
KR101282025B1 (ko) | 적층 인덕터, 그 제조 방법 및 적층 초크 코일 | |
US9251943B2 (en) | Multilayer type inductor and method of manufacturing the same | |
JP4100459B2 (ja) | 積層コイル部品及びその製造方法 | |
JP3941508B2 (ja) | 積層型インピーダンス素子 | |
KR101503967B1 (ko) | 적층형 인덕터 및 그 제조방법 | |
JP2007096926A (ja) | 積層型フィルタ | |
KR20020077799A (ko) | 적층인덕터 | |
JP4596008B2 (ja) | 積層コイル | |
KR20150014415A (ko) | 칩 전자부품 및 이의 제조방법 | |
JP6091838B2 (ja) | 積層チップ電子部品 | |
JP4780232B2 (ja) | 積層型電子部品 | |
JP2001217126A (ja) | 積層インダクタ | |
KR20130134868A (ko) | 적층형 인덕터 | |
JP2005167029A (ja) | 積層型インダクタ | |
JP5245645B2 (ja) | 積層型コイル部品の製造方法 | |
JP2004006760A (ja) | 電子部品 | |
JP2904664B2 (ja) | 積層lcフィルタ部品 | |
KR102052765B1 (ko) | 페라이트 및 이를 적용한 칩 전자부품 | |
JP2006352568A (ja) | 積層型フィルタ | |
JP2008289111A (ja) | 積層型フィルタ |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100518 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100531 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4530044 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130618 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130618 Year of fee payment: 3 |
|
LAPS | Cancellation because of no payment of annual fees |