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    • 1. 发明专利
    • Circuit connection material, circuit connection material structure and manufacturing method of circuit connection material structure
    • 电路连接材料,电路连接材料结构及制造方法电路连接材料结构
    • JP2013214417A
    • 2013-10-17
    • JP2012084215
    • 2012-04-02
    • Hitachi Chemical Co Ltd日立化成株式会社
    • TOMISAKA KATSUHIKOFUJII MASANORIIWAI KEIKO
    • H01B1/22C09J9/02C09J11/06C09J163/00C09J201/00H01B1/00H01L21/60H05K1/14H05K3/32
    • PROBLEM TO BE SOLVED: To provide a circuit connection material which can maintain excellent electrical connection between circuit members being connected, even when interconnecting the circuit members with low pressure.SOLUTION: A circuit connection material 50a is interposed between a first circuit member 30 having a first circuit electrode 32 and a second circuit member 40 having a second circuit electrode 42, and connects the first circuit electrode and second circuit electrode electrically by compression. At least one of the first circuit member and second circuit member is an IC chip, and the compression load is 50 MPa or less for the electrode area of the IC chip. The circuit connection material contains conductive particles 10A and an adhesive component 20a, the conductive particle has a metal layer on the surface of a plastic particle, the outermost layer of the metal layer is palladium, and the compression modulus of the conductive particle during 30% compression deformation of the particle diameter is 100-500 kgf/mm.
    • 要解决的问题:提供一种电路连接材料,即使在将电路部件互连成低压时,也能够保持连接的电路部件之间的良好的电连接。解决方案:电路连接材料50a介于具有 第一电路电极32和具有第二电路电极42的第二电路部件40,并且通过压缩电连接第一电路电极和第二电路电极。 第一电路构件和第二电路构件中的至少一个是IC芯片,对于IC芯片的电极区域的压缩载荷为50MPa以下。 电路连接材料包含导电颗粒10A和粘合剂组分20a,导电颗粒在塑料颗粒的表面上具有金属层,金属层的最外层是钯,并且导电颗粒的压缩模量在30% 粒径的压缩变形为100-500kgf / mm。