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Burn-in & Test Socket Workshop - BiTS Workshop

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Problem:<br />

Excessive and<br />

undef<strong>in</strong>ed contact<br />

resistance sensitive to<br />

contam<strong>in</strong>ants<br />

Top View<br />

Contact at one<br />

po<strong>in</strong>t/l<strong>in</strong>e only or<br />

through the spr<strong>in</strong>g<br />

*<br />

Breakaway<br />

Side View<br />

Initial Agilent Design<br />

Consideration<br />

Solution:<br />

• Resistance is lowered by<br />

hav<strong>in</strong>g two parallel<br />

contact paths<br />

• The slider can follow the<br />

ball, always ma<strong>in</strong>ta<strong>in</strong><strong>in</strong>g<br />

two contacts to pad or<br />

the sides of the ball<br />

Julius Botka<br />

BITS.ppt 10/31/01<br />

Page 8

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