Producer application: Industrial Control(laser equipment)
Pcb specification: 4-layer, FR4, 1.6MM, copper thickness 35um, ENIG 2U", green SM
Smt points: 238
Dip points: 17
Solder paste requirements: Ag0.3/Cu0.7/20-38uм
Welding requirements:
1. The temperature of the soldering iron is controlled between 330 °C and 350 °C.
2. When soldering the connector, first position it, make sure the connector is not floating height and left and right oblique and then weld. (Rework connector has the risk of scrapping the board)