| 摘要 |
PROBLEM TO BE SOLVED: To provide copper powder for conductive paste which does not impair both of oxidation resistance and electric conductivity regardless of fineness in grain size, and further is less in variation of shape and grain size, and is low content oxygen concentration, and to provide the conductive paste.SOLUTION: The copper powder for conductive paste contains, at the inside of each particle, Al, Mg, Ge and Ga by 0.1 to 10 atm%, and also comprises 0.1 to 10 atm% In. |
