PROBLEM TO BE SOLVED: To regulate solder expansion with high accuracy while enabling further miniaturization of a circuit structure in soldering an electronic component to a bus bar.SOLUTION: A circuit structure 20 includes: a circuit board 22 having a connection opening part 23; a plurality of bus bars 27 provided on the rear surface side of the circuit board 22; an electronic component 36 having connection terminals 38D, 38S soldered to a corresponding bus bar 27 exposed through the connection opening part 23; and a solder regulation layer 29 provided between the circuit board 22 and the plurality of bus bars 27, and having a pattern 29A surrounding a solder region (SR1) of the bus bars with the connection terminals 38D, 38S soldered.SELECTED DRAWING: Figure 3

    【課題】電子部品をバスバーに半田付けする際に、回路構成体の更なる小型化を可能にしつつ精度良く半田拡がりを規制すること。【解決手段】回路構成体20は、接続用開口部23を有する回路基板22と、回路基板22の裏面側に設けられた複数のバスバー27と、接続用開口部23を通して露出された対応するバスバー27に半田付される接続端子38D、38Sを有する電子部品36と、回路基板22と複数のバスバー27との間に設けられ、接続端子38D、38Sが半田付されるバスバーの半田付領域(SR1)を取り囲むパターン29Aを有する半田規制層29と、を備える。【選択図】図3


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    Title :

    CIRCUIT STRUCTURE AND ELECTRIC CONNECTION BOX


    Additional title:

    回路構成体および電気接続箱


    Contributors:

    Publication date :

    2017-03-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES , Verlegen oder Installieren elektrischer Kabel oder Leitungen, Verlegen oder Installieren kombinierter optischer und elektrischer Kabel oder Leitungen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H05K PRINTED CIRCUITS , Gedruckte Schaltungen



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