Residual detection method of die-bonding adhesive in die-bonding adhesive injector

摘要

A charge transmitter sensor installed at a predetermined position of the die bonding adhesive injector detects the amount of charge accumulated in a predetermined space in the die bonding adhesive injector, and a difference in the amount of charge more than the predetermined predetermined amount occurs between the detected charge amount and the predetermined charge amount. In this case, the electrical signal is output through the output terminal of the accumulated charge measurement device, and the alarm device is activated to determine the correct replacement time of the die-bonding adhesive injector, thereby saving the bonding bond and preventing the occurrence of a defective package.