JP2020021997A - Lcフィルタ - Google Patents
Lcフィルタ Download PDFInfo
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- JP2020021997A JP2020021997A JP2018142545A JP2018142545A JP2020021997A JP 2020021997 A JP2020021997 A JP 2020021997A JP 2018142545 A JP2018142545 A JP 2018142545A JP 2018142545 A JP2018142545 A JP 2018142545A JP 2020021997 A JP2020021997 A JP 2020021997A
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- electrode
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- inductor
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- 239000003990 capacitor Substances 0.000 claims abstract description 61
- 239000000758 substrate Substances 0.000 claims abstract description 43
- 239000004020 conductor Substances 0.000 claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 229910052721 tungsten Inorganic materials 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000001965 increasing effect Effects 0.000 abstract description 4
- 230000002093 peripheral effect Effects 0.000 description 18
- 238000000034 method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000001939 inductive effect Effects 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
Images
Classifications
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- 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
- 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
- H01F27/40—Structural association with built-in electric component, e.g. fuse
-
- 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
- H01G4/005—Electrodes
- H01G4/012—Form of non-self-supporting electrodes
-
- 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
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
-
- 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
-
- 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
- H01G4/33—Thin- or thick-film 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
- H03H1/00—Constructional details of impedance networks whose electrical mode of operation is not specified or applicable to more than one type of network
-
- 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
- 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
- H01F2017/0026—Multilayer LC-filter
-
- 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
- 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
- H01G4/236—Terminals leading through the housing, i.e. lead-through
-
- 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
- H03H2001/0078—Constructional details comprising spiral inductor on a substrate
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Filters And Equalizers (AREA)
- Coils Or Transformers For Communication (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
Description
11〜16 容量絶縁膜
21〜26 容量電極
30 絶縁層
31〜37 ビア導体
31a〜35a ビア
41,42 インダクタパターン
41a,41b,42a,42b スパイラル部
43 接続パターン
50 絶縁層
51〜56 ビア導体
51a〜56a ビア
C1〜C4 キャパシタ
L1,L2,L1a,L1b,L2a,L2b インダクタ
P0 共通端子電極
P1〜P4 端子電極
Claims (8)
- 導電性基板と、
一方の表面が前記導電性基板に覆われ、他方の表面が第1の容量電極に覆われる第1の容量絶縁膜と、
一端が前記第1の容量電極に接続された第1のインダクタパターンと、
前記第1のインダクタパターンの他端に接続された第1の端子電極と、
前記導電性基板に接続された共通端子電極と、を備えることを特徴とするLCフィルタ。 - 前記第1の容量電極及び前記第1のインダクタパターンの前記一端に接続された第2の端子電極と、
一方の表面が前記導電性基板に覆われ、他方の表面が第2の容量電極に覆われる第2の容量絶縁膜と、をさらに備え、
前記第1の端子電極は、前記第2の容量電極に接続されることを特徴とする請求項1に記載のLCフィルタ。 - 一方の表面が前記導電性基板に覆われ、他方の表面が第3の容量電極に覆われる第3の容量絶縁膜と、
一方の表面が前記導電性基板に覆われ、他方の表面が第4の容量電極に覆われる第4の容量絶縁膜と、
一端が前記第3の容量電極に接続され、他端が前記第4の容量電極に接続された第2のインダクタパターンと、
前記第3の容量電極及び前記第2のインダクタパターンの前記一端に接続された第3の端子電極と、
前記第4の容量電極及び前記第2のインダクタパターンの前記他端に接続された第4の端子電極と、をさらに備え、
前記第1のインダクタパターンと前記第2のインダクタパターンのパターン形状が対称形であることを特徴とする請求項2に記載のLCフィルタ。 - 一端が前記第1の容量電極及び前記第1のインダクタパターンの前記一端に接続された第2のインダクタパターンと、
前記第2のインダクタパターンの他端に接続された第2の端子電極と、をさらに備えることを特徴とする請求項1に記載のLCフィルタ。 - 一方の表面が前記導電性基板に覆われ、他方の表面が第2の容量電極に覆われる第2の容量絶縁膜と、
第3及び第4の端子電極と、
一端が前記第2の容量電極に接続され、他端が前記第3の端子電極に接続された第3のインダクタパターンと、
一端が前記第2の容量電極に接続され、他端が前記第4の端子電極に接続された第4のインダクタパターンと、をさらに備え、
前記第1及び第2のインダクタパターンと前記第3及び第4のインダクタパターンのパターン形状が対称形であることを特徴とする請求項4に記載のLCフィルタ。 - 前記導電性基板は、Ni、Cu、W、Pt及びAuから選ばれたいずれか一つの金属元素を含むことを特徴とする請求項1乃至5のいずれか一項に記載のLCフィルタ。
- 前記第1のインダクタパターンは、コイル状に巻回された導体パターンを含むことを特徴とする請求項1乃至6のいずれか一項に記載のLCフィルタ。
- 前記共通端子電極がグランド電位に接続されることを特徴とする請求項1乃至7のいずれか一項に記載のLCフィルタ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018142545A JP7115117B2 (ja) | 2018-07-30 | 2018-07-30 | Lcフィルタ |
US16/521,039 US10958232B2 (en) | 2018-07-30 | 2019-07-24 | LC filter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018142545A JP7115117B2 (ja) | 2018-07-30 | 2018-07-30 | Lcフィルタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020021997A true JP2020021997A (ja) | 2020-02-06 |
JP7115117B2 JP7115117B2 (ja) | 2022-08-09 |
Family
ID=69178655
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018142545A Active JP7115117B2 (ja) | 2018-07-30 | 2018-07-30 | Lcフィルタ |
Country Status (2)
Country | Link |
---|---|
US (1) | US10958232B2 (ja) |
JP (1) | JP7115117B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11800635B2 (en) | 2020-04-20 | 2023-10-24 | Murata Manufacturing Co., Ltd. | Integrated passive component |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09213894A (ja) * | 1996-02-06 | 1997-08-15 | Nippon Telegr & Teleph Corp <Ntt> | 平滑回路素子 |
JP2003151830A (ja) * | 2001-11-12 | 2003-05-23 | Murata Mfg Co Ltd | 積層型電子部品 |
JP2007288104A (ja) * | 2006-04-20 | 2007-11-01 | Denso Corp | 半導体集積回路及び半導体集積回路の製造方法 |
JP2011521457A (ja) * | 2008-05-15 | 2011-07-21 | コヴィオ インコーポレイテッド | 複数コンデンサを有する監視デバイス |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002217059A (ja) * | 2001-01-12 | 2002-08-02 | Murata Mfg Co Ltd | 積層型lcフィルタ |
WO2009090917A1 (ja) * | 2008-01-17 | 2009-07-23 | Murata Manufacturing Co., Ltd. | 積層型共振器および積層型フィルタ |
JP2012195332A (ja) | 2011-03-15 | 2012-10-11 | Panasonic Corp | コモンモードノイズフィルタ |
WO2018030134A1 (ja) | 2016-08-12 | 2018-02-15 | 株式会社村田製作所 | Lcフィルタおよびlcフィルタの製造方法 |
JP6801355B2 (ja) * | 2016-10-13 | 2020-12-16 | Tdk株式会社 | 積層型lcフィルタアレイ |
-
2018
- 2018-07-30 JP JP2018142545A patent/JP7115117B2/ja active Active
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2019
- 2019-07-24 US US16/521,039 patent/US10958232B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09213894A (ja) * | 1996-02-06 | 1997-08-15 | Nippon Telegr & Teleph Corp <Ntt> | 平滑回路素子 |
JP2003151830A (ja) * | 2001-11-12 | 2003-05-23 | Murata Mfg Co Ltd | 積層型電子部品 |
JP2007288104A (ja) * | 2006-04-20 | 2007-11-01 | Denso Corp | 半導体集積回路及び半導体集積回路の製造方法 |
JP2011521457A (ja) * | 2008-05-15 | 2011-07-21 | コヴィオ インコーポレイテッド | 複数コンデンサを有する監視デバイス |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11800635B2 (en) | 2020-04-20 | 2023-10-24 | Murata Manufacturing Co., Ltd. | Integrated passive component |
Also Published As
Publication number | Publication date |
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JP7115117B2 (ja) | 2022-08-09 |
US10958232B2 (en) | 2021-03-23 |
US20200035410A1 (en) | 2020-01-30 |
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