| 摘要 |
PROBLEM TO BE SOLVED: To provide a conductive paste capable of screen-printing and suitable for filling through-holes or via-holes of printed wiring boards, accomplishing high-reliability electric connection and low resistance. SOLUTION: The conductive paste contains, as essential components, metal filler, epoxy resin, imidazoles, organic carboxylic acid compound, and chelating agent. The metal filler also contains, as an essential component, copper powder having a metal coating layer of a melting point of 180°C or less on the surface thereof. COPYRIGHT: (C)2008,JPO&INPIT
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