JP2015144208A - 電子部品の実装構造体 - Google Patents
電子部品の実装構造体 Download PDFInfo
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- 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
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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
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/111—Pads for surface mounting, e.g. lay-out
-
- 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
- H01G2/065—Mountings specially adapted for mounting on a printed-circuit support for surface mounting, e.g. chip capacitors
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- 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
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- 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
- H01G4/008—Selection of materials
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- 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
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
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- 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
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- 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
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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
- H05K1/02—Details
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
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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
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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
- 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
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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
- 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
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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
- 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
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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
- 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
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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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/04—Soldering or other types of metallurgic bonding
- H05K2203/0465—Shape of solder, e.g. differing from spherical shape, different shapes due to different solder pads
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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
- H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
- H05K2203/04—Soldering or other types of metallurgic bonding
- H05K2203/048—Self-alignment during soldering; Terminals, pads or shape of solder adapted therefor
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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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- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
- Structures For Mounting Electric Components On Printed Circuit Boards (AREA)
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
Description
図1は、本発明の実施の形態1における実装構造体に具備される積層セラミックコンデンサの斜視図である。また、図2は、図1に示すII−II線に沿った模式断面図であり、図3は、図2に示すIIIA−IIIA線およびIIIB−IIIB線に沿った模式断面図である。まず、これら図1ないし図3を参照して、本実施の形態における実装構造体に具備される積層セラミックコンデンサ10について説明する。
図11は、第1検証試験における検証例1の製造条件および試験結果を示す表である。また、図12は、第1検証試験における検証例1の試験結果を示すグラフである。次に、これら図11および図12を参照して、上述した本発明の実施の形態1に関連して行なった第1検証試験について説明する。
図13ないし図15は、第2検証試験における検証例2ないし検証例4の製造条件および試験結果を示す表である。また、図16は、第2検証試験における検証例2ないし検証例4の試験結果を示すグラフである。次に、これら図13ないし図16を参照して、上述した本発明の実施の形態1に関連して行なった第2検証試験について説明する。
図17は、本実施の形態における実装構造体に具備される配線基板の概略斜視図である。また、図18は、図17に示すXVIII−XVIII線に沿った模式断面図であり、図19は、図18に示すXIXA−XIXA線およびXIXB−XIXB線に沿った模式断面図である。次に、これら図17ないし図19を参照して、本実施の形態における実装構造体に具備される配線基板20Bについて説明する。
Claims (7)
- 直方体形状の電子部品が半田接合材を用いて配線基板に実装されてなる電子部品の実装構造体であって、
前記電子部品は、厚み方向において相対して位置する第1主面および第2主面、前記厚み方向と直交する長さ方向において相対して位置する第1端面および第2端面、ならびに、前記厚み方向および前記長さ方向のいずれにも直交する幅方向において相対して位置する第1側面および第2側面を含む素体と、前記長さ方向において互いに離間して位置する第1外部電極および第2外部電極とを含み、
前記第1外部電極は、前記第1端面寄りに位置する部分の前記第2主面を覆う第1被覆部と、前記第1端面を覆う第2被覆部とを少なくとも有し、
前記第2外部電極は、前記第2端面寄りに位置する部分の前記第2主面を覆う第3被覆部と、前記第2端面を覆う第4被覆部とを少なくとも有し、
前記配線基板は、主表面を有する基材部と、互いに離間して位置するように前記主表面上に形成された第1ランドおよび第2ランドとを含み、
前記電子部品は、前記第1被覆部が前記第1ランドに対向するとともに前記第3被覆部が前記第2ランドに対向するように配置され、
前記半田接合材は、前記第1外部電極と前記第1ランドとを接合する第1接合部、および、前記第2外部電極と前記第2ランドとを接合する第2接合部を含み、
前記第1接合部は、前記第1ランドに固着するとともに、前記第1被覆部および前記第2被覆部に跨るように前記第1外部電極に固着し、
前記第2接合部は、前記第2ランドに固着するとともに、前記第3被覆部および前記第4被覆部に跨るように前記第2外部電極に固着し、
前記長さ方向における前記電子部品の最大外形寸法をLcとした場合に、前記Lcが、Lc≦0.5[mm]の条件を充足し、
前記長さ方向における前記第1被覆部と前記第2被覆部との間の距離をDeとし、前記長さ方向における前記第1ランドと前記第2ランドとの間の距離をDlとした場合に、前記Deおよび前記Dlが、0.91≦Dl/De≦1.09の条件を充足している、電子部品の実装構造体。 - 前記Deおよび前記Dlが、Dl/De≦1.00の条件をさらに充足している、請求項1に記載の電子部品の実装構造体。
- 前記第1ランドの前記第2ランドが位置する側とは反対側の端部から前記第2ランドの前記第1ランドが位置する側とは反対側の端部までの前記長さ方向における寸法をLbとした場合に、前記Lcおよび前記Lbが、1.00≦Lb/Lc≦1.32の条件をさらに充足している、請求項1または2に記載の電子部品の実装構造体。
- 前記第1外部電極の表層部および前記第2外部電極の表層部が、成分としてSnを含み、
前記半田接合材が、成分としてSn、AgおよびCuを含んでいる、請求項1から3のいずれかに記載の電子部品の実装構造体。 - 前記第1外部電極の表層部および前記第2外部電極の表層部が、成分としてSnを含み、
前記半田接合材が、成分としてSnおよびSbを含んでいる、請求項1から3のいずれかに記載の電子部品の実装構造体。 - 前記第1外部電極が、前記第1端面寄りに位置する部分の前記第1側面を覆う第5被覆部と、前記第1端面寄りに位置する部分の前記第2側面を覆う第6被覆部と、前記第1端面寄りに位置する部分の前記第1主面を覆う第7被覆部とをさらに有し、
前記第2外部電極が、前記第2端面寄りに位置する部分の前記第1側面を覆う第8被覆部と、前記第2端面寄りに位置する部分の前記第2側面を覆う第9被覆部と、前記第2端面寄りに位置する部分の前記第1主面を覆う第10被覆部とをさらに有し、
前記第1接合部が、前記第1ランドに固着するとともに、前記第1被覆部、前記第2被覆部、前記第3被覆部、前記第4被覆部および前記第5被覆部に跨るように前記第1外部電極に固着し、
前記第2接合部が、前記第2ランドに固着するとともに、前記第6被覆部、前記第7被覆部、前記第8被覆部、前記第9被覆部および前記第10被覆部に跨るように前記第2外部電極に固着している、請求項1から5のいずれかに記載の電子部品の実装構造体。 - 前記電子部品が、積層セラミックコンデンサである、請求項1から6のいずれかに記載の電子部品の実装構造体。
Priority Applications (3)
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JP2014017173A JP5958479B2 (ja) | 2014-01-31 | 2014-01-31 | 電子部品の実装構造体 |
US14/600,134 US10342130B2 (en) | 2014-01-31 | 2015-01-20 | Structure mounted with electronic component |
CN201510043578.XA CN104822231B (zh) | 2014-01-31 | 2015-01-28 | 电子部件的安装构造体 |
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JP2014017173A JP5958479B2 (ja) | 2014-01-31 | 2014-01-31 | 電子部品の実装構造体 |
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JP2015144208A true JP2015144208A (ja) | 2015-08-06 |
JP5958479B2 JP5958479B2 (ja) | 2016-08-02 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11412616B2 (en) | 2019-03-26 | 2022-08-09 | Canon Kabushiki Kaisha | Printed circuit board and electronic device |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6112060B2 (ja) * | 2013-06-19 | 2017-04-12 | 株式会社村田製作所 | セラミック電子部品およびその製造方法 |
KR101813361B1 (ko) * | 2016-02-03 | 2017-12-28 | 삼성전기주식회사 | 전자부품 및 전자부품 실장 회로보드 |
JP7040062B2 (ja) * | 2018-01-31 | 2022-03-23 | Tdk株式会社 | 電子部品 |
KR102505433B1 (ko) * | 2018-04-20 | 2023-03-03 | 삼성전기주식회사 | 전자 부품 |
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