presentation slides - Texas A&M University
presentation slides - Texas A&M University
presentation slides - Texas A&M University
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Plane Fit<br />
I DDQ function of neighboring dice I DDQ and<br />
die’s XY position on wafer<br />
First reject gross outliers<br />
Linear regression<br />
Z (I DDQ) = A .x + B .y + C<br />
I DDQ<br />
Best fit plane<br />
X<br />
Y<br />
wafer