JP2013258240A - チップ部品構造体 - Google Patents
チップ部品構造体 Download PDFInfo
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- JP2013258240A JP2013258240A JP2012132793A JP2012132793A JP2013258240A JP 2013258240 A JP2013258240 A JP 2013258240A JP 2012132793 A JP2012132793 A JP 2012132793A JP 2012132793 A JP2012132793 A JP 2012132793A JP 2013258240 A JP2013258240 A JP 2013258240A
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- 239000003990 capacitor Substances 0.000 claims abstract description 76
- 239000000758 substrate Substances 0.000 claims description 64
- 239000000919 ceramic Substances 0.000 claims 1
- 229910000679 solder Inorganic materials 0.000 description 34
- 239000007767 bonding agent Substances 0.000 description 13
- 230000004907 flux Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000007747 plating Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000001629 suppression Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/02—Mountings
- H01G2/06—Mountings specially adapted for mounting on a printed-circuit support
-
- 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
- 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
- H01G4/35—Feed-through capacitors or anti-noise capacitors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
- H05K3/1258—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns by using a substrate provided with a shape pattern, e.g. grooves, banks, resist pattern
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3431—Leadless components
- H05K3/3442—Leadless components having edge contacts, e.g. leadless chip capacitors, chip carriers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/04—Assemblies of printed circuits
- H05K2201/049—PCB for one component, e.g. for mounting onto mother PCB
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09009—Substrate related
- H05K2201/09036—Recesses or grooves in insulating substrate
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09009—Substrate related
- H05K2201/09072—Hole or recess under component or special relationship between hole and component
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09145—Edge details
- H05K2201/09181—Notches in edge pads
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10015—Non-printed capacitor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/10378—Interposers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
- H05K2201/10636—Leadless chip, e.g. chip capacitor or resistor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10954—Other details of electrical connections
- H05K2201/10962—Component not directly connected to the PCB
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10954—Other details of electrical connections
- H05K2201/10984—Component carrying a connection agent, e.g. solder, adhesive
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/20—Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
- H05K2201/2045—Protection against vibrations
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
- Ceramic Capacitors (AREA)
Abstract
【解決手段】チップ部品構造体1は積層コンデンサ2を搭載するインターポーザー3を備える。インターポーザー3は、部品接続用電極32A,32B、外部接続用電極33A,33B、側面電極34A,34B、および孔内電極35A,35Bを備える。部品接続用電極32A,32Bと外部接続用電極33A,33Bとの間は、側面電極34A,34Bと孔内電極35A,35Bとにより電気的に接続される。部品接続用電極32A,32Bはコンデンサ2の外部電極が接合される。
【選択図】 図3
Description
以下、本発明の第1の実施形態に係るチップ部品構造体1について説明する。
図7(A)は第2の実施形態に係るチップ部品構造体1Aの平面図、図7(B)は正面断面図、図7(C)は底面図である。
図8(A)は第3の実施形態に係るチップ部品構造体1Bの平面図、図8(B)は正面断面図、図8(C)は底面図である。
図9(A)は第4の実施形態に係るチップ部品構造体1Cの斜視図であり、図9(B)はその右側面図、図9(C)は底面図である。
図10は、第5の実施形態に係るチップ部品構造体1Dの斜視図である。
図11(A)は第6の実施形態に係るチップ部品構造体1Eの平面図であり、図11(B)はその正面断面図である。
2…積層コンデンサ
3,3A,3B,3C,3D,3E…インターポーザー
21…積層体
22A,22B…外部電極
23…内部電極
31…基板本体
31A…溝部
31B…貫通孔
32A,32B,32C,32D…部品接続用電極
33A,33B…外部接続用電極
34A,34B…側面電極
35A,35B,35C,35D…孔内電極
100…回路基板
101A,101B…実装用ランド
200…はんだ
Claims (11)
- 誘電体層と内部電極とを複数積層した直方体状の積層体と、前記積層体の長手方向の部品端面の両面それぞれに形成され互いに異なる内部電極に電気的に接続される外部電極と、を備える積層コンデンサ、および、
両主面に開口する貫通孔が形成された平板状の基板と、前記基板の一方の主面である部品搭載面に形成され前記外部電極に接合される部品接続用電極と、前記基板の前記部品搭載面に対向する主面である基板実装面に形成される外部接続用電極と、前記貫通孔の内部に形成され前記部品接続用電極と前記外部接続用電極との間を接続する孔内電極と、を備え、前記積層コンデンサの異なる外部電極に接続された孔内電極を同じ貫通孔の内部に設けたインターポーザー、
を備えるチップ部品構造体。 - 前記基板の前記部品搭載面および前記基板実装面に交差する基板端面に、前記外部接続用電極と前記部品接続用電極とに直接接続して形成される側面電極を備える、請求項1に記載のチップ部品構造体。
- 前記インターポーザーは、前記側面電極が形成される各基板端面を、各基板端面に平行する前記積層体の部品端面よりも外側に配した構成である、請求項1または2に記載のチップ部品構造体。
- 前記側面電極は、前記インターポーザーを主面法線方向から視て、前記基板端面から前記積層コンデンサに重なる位置まで入り込む溝の内部に形成される、請求項1〜3のいずれかに記載のチップ部品構造体。
- 前記基板の前記部品搭載面および前記基板実装面に交差する基板端面に、前記部品接続用電極および前記外部電極から離間し、前記外部接続用電極に直接接続して形成される側面電極を備える、請求項1に記載のチップ部品構造体。
- 前記貫通孔は、前記基板本体の各主面に対向する空間同士を連通させる、請求項1〜5のいずれかに記載のチップ部品構造体。
- 誘電体層と内部電極とを複数積層した直方体状の積層体と、前記積層体の長手方向の部品端面の両面それぞれに形成され互いに異なる内部電極に電気的に接続される外部電極と、を備える積層コンデンサ、および、
両主面に開口する貫通孔が形成された平板状の基板と、前記基板の一方の主面である部品搭載面に形成され前記外部電極に接合される部品接続用電極と、前記基板の前記部品搭載面に対向する主面である基板実装面に形成される外部接続用電極と、前記基板の前記部品搭載面および前記基板実装面に交差する基板端面に形成され前記部品接続用電極と前記外部接続用電極とを電気的に接続する側面電極と、前記貫通孔の内部に形成され前記側面電極と並列に前記部品接続用電極と前記外部接続用電極との間を接続する孔内電極と、を備えるインターポーザー、
を備えるチップ部品構造体。 - 前記貫通孔は、前記基板の各主面に対向する空間同士を連通させる、請求項7に記載のチップ部品構造体。
- 前記部品接続用電極と前記外部接続用電極と前記側面電極と前記孔内電極との組を2組備え、各組の孔内電極を同一の貫通孔の内部に設けた、請求項7〜8のいずれかに記載のチップ部品構造体。
- 前記側面電極は、前記インターポーザーを主面法線方向から視て、前記基板端面から前記積層コンデンサに重なる位置まで入り込む溝の内部に形成される、請求項7〜9のいずれかに記載のチップ部品構造体。
- 前記インターポーザーは、前記側面電極が形成される各基板端面を、各基板端面に平行する前記セラミック積層体の部品端面よりも外側に配した構成である、請求項7〜10のいずれかに記載のチップ部品構造体。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012132793A JP5655818B2 (ja) | 2012-06-12 | 2012-06-12 | チップ部品構造体 |
CN201310188664.0A CN103489631B (zh) | 2012-06-12 | 2013-05-21 | 芯片部件结构体 |
CN201320279766.9U CN203481047U (zh) | 2012-06-12 | 2013-05-21 | 芯片部件结构体 |
US13/906,695 US9089054B2 (en) | 2012-06-12 | 2013-05-31 | Chip-component structure |
KR1020130065927A KR101502467B1 (ko) | 2012-06-12 | 2013-06-10 | 칩 부품 구조체 |
US14/737,731 US9560764B2 (en) | 2012-06-12 | 2015-06-12 | Chip-component structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012132793A JP5655818B2 (ja) | 2012-06-12 | 2012-06-12 | チップ部品構造体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013258240A true JP2013258240A (ja) | 2013-12-26 |
JP5655818B2 JP5655818B2 (ja) | 2015-01-21 |
Family
ID=49715160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012132793A Active JP5655818B2 (ja) | 2012-06-12 | 2012-06-12 | チップ部品構造体 |
Country Status (4)
Country | Link |
---|---|
US (2) | US9089054B2 (ja) |
JP (1) | JP5655818B2 (ja) |
KR (1) | KR101502467B1 (ja) |
CN (2) | CN203481047U (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2012212943A (ja) * | 2012-08-06 | 2012-11-01 | Murata Mfg Co Ltd | チップ部品構造体 |
KR101539884B1 (ko) * | 2014-01-27 | 2015-07-27 | 삼성전기주식회사 | 적층 세라믹 전자 부품 및 그 실장 기판 |
JP2017059573A (ja) * | 2015-09-14 | 2017-03-23 | 太陽誘電株式会社 | 複合電子部品及びこれを用いた回路基板 |
US9947466B2 (en) | 2014-03-24 | 2018-04-17 | Murata Manufacturing Co., Ltd. | Electronic component |
US9997295B2 (en) | 2014-09-26 | 2018-06-12 | Murata Manufacturing Co., Ltd. | Electronic component |
US10014111B2 (en) | 2014-03-24 | 2018-07-03 | Murata Manufacturing Co., Ltd. | Substrate terminal mounted electronic element |
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CN203481047U (zh) | 2014-03-12 |
US20130329389A1 (en) | 2013-12-12 |
CN103489631B (zh) | 2016-12-28 |
KR20130139174A (ko) | 2013-12-20 |
JP5655818B2 (ja) | 2015-01-21 |
US9089054B2 (en) | 2015-07-21 |
US9560764B2 (en) | 2017-01-31 |
US20150282326A1 (en) | 2015-10-01 |
KR101502467B1 (ko) | 2015-03-13 |
CN103489631A (zh) | 2014-01-01 |
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