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High performance HBM Known Good Stack Testing

S06_02_Loranger_SWTW2015R

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<strong>High</strong> Bandwidth Memory (<strong>HBM</strong>)<br />

• Micro Bump interface – defined by JEDEC<br />

– A field of 3982 Micro Bumps<br />

– Micro bumps have a pitch of 27.5 x 48 staggered<br />

– Some micro bump locations are depopulated to<br />

permit test pads<br />

96um<br />

48um<br />

55um<br />

25.7.5um<br />

25um<br />

Marc Loranger<br />

John Oonk<br />

6

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