JP6380546B2 - Lcフィルタ - Google Patents
Lcフィルタ Download PDFInfo
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- JP6380546B2 JP6380546B2 JP2016551581A JP2016551581A JP6380546B2 JP 6380546 B2 JP6380546 B2 JP 6380546B2 JP 2016551581 A JP2016551581 A JP 2016551581A JP 2016551581 A JP2016551581 A JP 2016551581A JP 6380546 B2 JP6380546 B2 JP 6380546B2
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- Prior art keywords
- filter
- electrode
- core
- internal electrode
- external electrode
- 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.)
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- 238000004804 winding Methods 0.000 claims description 27
- 229910000859 α-Fe Inorganic materials 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 7
- 239000003989 dielectric material Substances 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 description 42
- 238000003780 insertion Methods 0.000 description 14
- 230000037431 insertion Effects 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 5
- 229910052709 silver Inorganic materials 0.000 description 5
- 239000004332 silver Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/40—Structural combinations of fixed capacitors with other electric elements, the structure mainly consisting of a capacitor, e.g. RC combinations
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/42—Networks for transforming balanced signals into unbalanced signals and vice versa, e.g. baluns
- H03H7/425—Balance-balance networks
- H03H7/427—Common-mode filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
- H01G4/232—Terminals electrically connecting two or more layers of a stacked or rolled capacitor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/30—Stacked capacitors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H2001/0021—Constructional details
- H03H2001/005—Wound, ring or feed-through type inductor
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
- H03H2001/0021—Constructional details
- H03H2001/0085—Multilayer, e.g. LTCC, HTCC, green sheets
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
- Filters And Equalizers (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Description
図1(A)、(B)に、第1実施形態にかかるLCフィルタ100を示す。ただし、図1(A)は正面図、図1(B)は断面図である。
図7に、第2実施形態にかかるLCフィルタ200を示す。ただし、図7は断面図である。
図10に、第3実施形態にかかるLCフィルタ300を示す。ただし、図10は断面図である。
トの発生が防止されるという効果も奏している。
1a、11a、21a…巻芯部
1b、1c、11b、11c、21b、21b…鍔部
2…巻線
3a、13a、7a、17a…第1の内部電極
3b、13b、7b、17b…第2の内部電極
13c、17c…第3の内部電極
4、14…誘電体層
5、9…信号用外部電極
6、10…グランド用外部電極
51a…未焼成の巻芯部
51b、51c…未焼成の鍔部
53a…第1の内部電極パターン
53b…第2の内部電極パターン
54…誘電体シート
60…樹脂
Claims (2)
- 巻芯部の両側に1対の鍔部が形成されたコアと、
前記コアの巻芯部に巻回された巻線と、
前記1対の鍔部のそれぞれに形成され、前記巻線の両端がそれぞれ接続された信号用外部電極と、を有し、
前記巻芯部がフェライトからなり、
前記1対の鍔部の少なくとも一方は、内部電極とセラミックの誘電体材料からなる誘電体層とが交互に積層された積層体からなり、かつグランド用外部電極を備え、
前記内部電極は、交互に配置された第1の内部電極と第2の内部電極とを備え、
前記第1の内部電極は前記信号用外部電極に接続され、
前記第2の内部電極は前記グランド用外部電極に接続されているLCフィルタ。 - 巻芯部の両側に1対の鍔部が形成されたコアと、
前記コアの巻芯部に巻回された巻線と、
前記1対の鍔部のそれぞれに形成され、前記巻線の両端がそれぞれ接続された信号用外部電極と、を有し、
前記巻芯部がフェライトからなり、
前記1対の鍔部の少なくとも一方は、内部電極とセラミックの誘電体材料からなる誘電体層とが交互に積層された積層体からなり、かつグランド用外部電極を備え、
前記内部電極は、第1の内部電極、第2の内部電極および第3の内部電極を備え、
前記第1の内部電極は前記信号用外部電極に接続され、
前記第2の内部電極は前記グランド用外部電極に接続され、
前記第3の内部電極は、前記信号用外部電極および前記グランド用外部電極のいずれにも接続されず、かつ前記第1の内部電極および前記第2の内部電極の双方それぞれと、前記誘電体層を介して、少なくとも部分的に対向しているLCフィルタ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014198484 | 2014-09-29 | ||
JP2014198484 | 2014-09-29 | ||
PCT/JP2015/064218 WO2016051853A1 (ja) | 2014-09-29 | 2015-05-18 | Lcフィルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2016051853A1 JPWO2016051853A1 (ja) | 2017-08-03 |
JP6380546B2 true JP6380546B2 (ja) | 2018-08-29 |
Family
ID=55629909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016551581A Active JP6380546B2 (ja) | 2014-09-29 | 2015-05-18 | Lcフィルタ |
Country Status (4)
Country | Link |
---|---|
US (1) | US10079585B2 (ja) |
JP (1) | JP6380546B2 (ja) |
CN (1) | CN107078709B (ja) |
WO (1) | WO2016051853A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6830424B2 (ja) | 2017-10-12 | 2021-02-17 | 株式会社村田製作所 | 巻線用コアおよびその製造方法ならびに巻線付き電子部品 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3456215A (en) * | 1964-09-02 | 1969-07-15 | Peter A Denes | High frequency low pass filter |
BE786785A (fr) * | 1971-07-28 | 1973-01-26 | Amp Inc | Element electrique de filtrage |
JPH01119210A (ja) | 1987-10-31 | 1989-05-11 | Yoshiyasu Ikeda | 電子レンジ用調理容器および調理方法 |
JPH03212918A (ja) * | 1990-01-18 | 1991-09-18 | Matsushita Electric Ind Co Ltd | Lc複合部品 |
US5153540A (en) * | 1991-04-01 | 1992-10-06 | Amphenol Corporation | Capacitor array utilizing a substrate and discoidal capacitors |
JPH04313209A (ja) | 1991-04-10 | 1992-11-05 | Tdk Corp | 複合部品 |
JPH04123515U (ja) * | 1991-04-25 | 1992-11-09 | 株式会社トーキン | ノイズフイルタ |
JPH0521249A (ja) * | 1991-07-11 | 1993-01-29 | Tdk Corp | 電子部品の製造方法 |
JPH07135124A (ja) * | 1993-11-09 | 1995-05-23 | Kyocera Corp | 積層型セラミックコンデンサ |
JPH08191226A (ja) * | 1995-01-11 | 1996-07-23 | Murata Mfg Co Ltd | ノイズフィルタ |
JP3438859B2 (ja) * | 1996-11-21 | 2003-08-18 | ティーディーケイ株式会社 | 積層型電子部品とその製造方法 |
JPH11186100A (ja) * | 1997-12-25 | 1999-07-09 | Murata Mfg Co Ltd | 非線形誘電体素子 |
CN100378877C (zh) * | 1998-03-13 | 2008-04-02 | 松下电器产业株式会社 | 复合元件及其制造方法 |
JP3352950B2 (ja) * | 1998-07-13 | 2002-12-03 | 太陽誘電株式会社 | チップインダクタ |
JP2002009572A (ja) * | 2000-06-22 | 2002-01-11 | Matsushita Electric Ind Co Ltd | フィルタ |
CN101193836B (zh) * | 2005-06-10 | 2010-09-29 | 株式会社村田制作所 | 电介质陶瓷及层叠陶瓷电容器 |
JP4850181B2 (ja) * | 2005-08-15 | 2012-01-11 | 原田工業株式会社 | ノイズフィルタ |
JP2007142931A (ja) | 2005-11-21 | 2007-06-07 | Murata Mfg Co Ltd | ノイズフィルタ |
CN101303935A (zh) * | 2007-01-05 | 2008-11-12 | 阿维科斯公司 | 多层电子器件及其制备方法、低电感可控esr多层电容 |
CN103441744B (zh) * | 2013-08-23 | 2017-05-10 | 深圳振华富电子有限公司 | 叠层片式旁路吸波器及其制造方法 |
KR101565651B1 (ko) * | 2013-10-08 | 2015-11-03 | 삼성전기주식회사 | 적층 세라믹 커패시터 및 그 실장 기판 |
-
2015
- 2015-05-18 WO PCT/JP2015/064218 patent/WO2016051853A1/ja active Application Filing
- 2015-05-18 JP JP2016551581A patent/JP6380546B2/ja active Active
- 2015-05-18 CN CN201580052485.1A patent/CN107078709B/zh active Active
-
2017
- 2017-03-07 US US15/452,012 patent/US10079585B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US20170179915A1 (en) | 2017-06-22 |
CN107078709B (zh) | 2020-10-27 |
US10079585B2 (en) | 2018-09-18 |
WO2016051853A1 (ja) | 2016-04-07 |
CN107078709A (zh) | 2017-08-18 |
JPWO2016051853A1 (ja) | 2017-08-03 |
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