How to solve the problems in the production process?

1.Before reflow check location.

2.Patch when avoid short circuit.

3.First appearance inspection after reflow, ensure lamps have no short circuit phenomenon after the electricity measuring review, review of attention when LED light with no abnormal bright or dark is abnormal phenomenon.

4.When printing paste as far as possible not to let even tin phenomenon between the pads, avoid because of short circuiting printed due to poor.

How to solve design problems?

Loop as far as possible so that the wiring is wide enough, spacing between lines are 0.5mm enough, the rest of the space is full. Copper foil thickness as far as possible without violating customer demands total thickness of circuit board case thickened, general thickness in 1~1.5 OZ.