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cold BGA solder joint
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crack at 2nd row inside
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crack at 3rd row inside
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fine cracks at BGA solder joints
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elongated BGA joints
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elongated BGA ball joints
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lifted BGA ball from pad
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deformed joint
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detect crack inside row of BGA
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failure analysis of BGA
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with back lighting, it is easy to inspect solder bridge & short
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actually see fine crack at solder pad that no X-ray system can detect
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Measure ball diameter, radius, height, pitch, and angle with measurement software
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