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bga芯片焊接ichaiyang 2024-05-10 4:55 37
1 There are many kinds. 2 Poor welding of BGA may include non-fusion of welding ball, missing welding ball, poor fusion and other conditions, which can be detected and determined b...

bga welding bad determination method?

1 There are many kinds.
2 Poor welding of BGA may include non-fusion of welding ball, missing welding ball, poor fusion and other conditions, which can be detected and determined by X-ray detection, profile detection, temperature cycle test and other methods.
3 In addition, in order to ensure the quality of BGA welding, samples can be tested before welding, high-quality raw materials and equipment can be selected, welding parameters can be controlled, and bad welding can be reduced.