Re: reballing problems
Direct heat are the small ones that you leave on the chip after you put the balls on, and heat the chip with the stencil still in place.
Indirect heat are the ones you put in a jig and lift away after you put the balls, then heat the chip to get the balls attached.
Direct heat are the small ones that you leave on the chip after you put the balls on, and heat the chip with the stencil still in place.
Indirect heat are the ones you put in a jig and lift away after you put the balls, then heat the chip to get the balls attached.
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