Electronics Forum: 180

Prob in Gold plated PCB prod

Electronics Forum | Sat Apr 10 11:47:16 EDT 2004 | mskler

Hi all, When we are producing A gold Plated PCB Then the Prob Of Dry soldering is coming Profile temps are 130, 150, 180,and 220 top & 215 bottom.Then what are the other causes or Precautions may be taken.

place BGA by FUJI IP3

Electronics Forum | Thu Apr 25 21:58:54 EDT 2002 | Gang shen

thank all of your kind help.today I set the camera gain and offset same as the camera2,the gain is 180,and the offset is 105. First the vision process is failed to pass ,later I found the size of the BGA ball in the screen is so smaller than the rea