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I have received prototype PBGA (256 pins) devices from Motorola (actual part number = KXPC850ZT50). These parts seemed very warped on the edges. When I put the part on a plain surface, it rocks quite a bit when I press lightly on a corner. I have had intermittent problems with the pins on the corners. How can I mesure if the level of warpage is acceptable ? What measures can I take to minimize the effect of this warpage.
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Michele Deligio
2017/3/2 5:40:02
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Roberto Dias
2017/3/2 5:40:02
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William Paul
2017/3/2 5:40:02
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hobbydepot.my
2017/3/2 5:40:02
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Sergey Alexandrovich
2017/3/2 5:40:02
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