A silver oxide powder that replaces silver powder as a silver conductive
paste filler has a specific surface area measured by the BET method is
1.0 25.0 m.sup.2/g, average primary particle diameter is 1 50 nm, and
average secondary particle diameter is 1 1000 nm. The silver oxide powder
is made by preparing a neutralization medium that is an aqueous solution
containing one or both of sodium hydroxide and potassium hydroxide in a
total amount of 0.5 mole/L or less, simultaneously adding an aqueous
solution containing silver salt in an amount of 6.0 mole/L or less and an
aqueous solution of at least one of sodium hydroxide and potassium
hydroxide to the liquid medium to conduct a neutralization reaction,
thereby obtaining a neutralized precipitate, maintaining the liquid at a
pH in the range of 12.+-.1.5 during the reaction, and subjecting the
precipitate to filtration, washing, and drying.