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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Discussion (cont<strong>in</strong>ued)<br />
• Conductor pads coated with 100 µ<strong>in</strong> nickel and 300 µ<strong>in</strong> solder<br />
and with bare copper had poor electrical stability compared with<br />
gold coated conductor pads.<br />
• Increas<strong>in</strong>g deflection of contacts significantly reduces contact<br />
resistance by <strong>in</strong>creas<strong>in</strong>g contact force and can more than<br />
compensate for <strong>in</strong>creas<strong>in</strong>g resistance with burn-<strong>in</strong> time.<br />
Slide 17
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