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How to calculate BGA height change after reflow oven?

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#74169

How to calculate BGA height change after reflow oven? | 6 July, 2015

Does any one know how to calculate BGA height change after reflow oven?

I guess the calculation will be based on the component size, weight, ball diameter and ball count of the BGA, but how to get the actual height?

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#74171

How to calculate BGA height change after reflow oven? | 7 July, 2015

Dial indicator on a post/base. You might need a fine point tip to get between adjascent components and the BGA. Or... if you're real fance schmancy you could use a CMM if you have one.

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