Burn-in & Test Socket Workshop - BiTS Workshop
Burn-in & Test Socket Workshop - BiTS Workshop
Burn-in & Test Socket Workshop - BiTS Workshop
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PBGA Contactor Clean<strong>in</strong>g<br />
• Surface mount pogo socket<br />
– Two 1089 I/O Pb free<br />
BGA devices to test on<br />
– Four 1089 I/O Pb free<br />
BGA devices to cycle on<br />
– <strong>Test</strong> temperature: 120C<br />
– Clean<strong>in</strong>g method: soft<br />
brass brush + air blow off<br />
– 10% improvement at<br />
300k<br />
ohms<br />
2<br />
1.5<br />
1<br />
0.5<br />
Average Resistance<br />
Before and After Clean<br />
0k 50k 100k 150k 200k 300k<br />
cycles<br />
PbFree device 1 before clean<br />
PbFree device 1 after clean<br />
PbFree device 2 before clean<br />
PbFree device 2 after clean<br />
<strong>Test</strong><strong>in</strong>g Lead Free Area Array Packages <strong>BiTS</strong> 2003<br />
22
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