Optical communications industry, now to the FPC flexible board and PCB hard board soldered together with a soldering iron welding, has been welding bad, there is no process can be done!

First hello, I am also the optical communications industry, FPC soft board with PCB welded to a piece, I probably know which part you want to weld, with a laser, we have tried a lot of ways, are not welded well, with the effect of laser welding can be welded, welded tensile tests are also up to standard, with a Wuhan-based manufacturers, Wuhan Ruize Laser, to their company to do it out of the laser tin welding equipment. Equipment. Take the sample over, try more parameters.