3pcs taken out simulation verification failure samples, reflow oven temperature 280 deg.] C to re-verification, the product was found to confirm cracks 1pcs Product
Take the simulation to verify the 3pcs bad sample, again to re-weld the furnace temperature 280 degrees C verification, confirm that the product found 1pcs product cracks
Take the simulation to verify the 3pcs bad sample, and then carry out the back welding furnace temperature verification at 280 ℃, and confirm that 1pcs product has cracks<br>