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ipc-a-610 “acceptability of electronic assemblies” - SMTA

ipc-a-610 “acceptability of electronic assemblies” - SMTA

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BGA CRITERIA CONT.<br />

Acceptable - Class 1,2,3<br />

♦ Less than 25% voiding in the ball to board or ball<br />

to component interface.<br />

Defect - Class 1,2,3<br />

♦ More than 25% voiding in the ball to board or ball<br />

to component interface.<br />

Test data showed that more than 25% was not a<br />

problem in some cases; 25% is what the<br />

committee could live with.

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