Effect of Organic Vehicle and Sintering Process on Conductive Properties of Silver Paste

Conductive silver paste was prepared with the mixture of silver powder,glass powder and organic vehicle. With variant content of some organic acid and different sintering process,the effects of organic acid content,sintering tempertature and sintering time on conductive properties of Ag film were discussed by observing the morphology of the paste sintered Ag film with SEM and measuring the resistivity with the four point probe meter. The results show that conductive silver film with good performance can be obtained with the organic acid's mass fraction at 1. 22%,sintering temperature at 700 ℃ and holding temperature time at 15 min.