Mechanical Enabling for the Intel Pentium 4 Processor in the 478-Pin Package

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Design Effectiveness
Thermal Performance
 Test data indicates 60+ lb preload necessary to optimize TIM
performance (Chomerics* T454 - phase change)
 Reference design preload target:
 60 lb minimum
 75 lb nominal
0
30
60
90
120
Preload (lb)
TIM Resistance (C/W)
TIM Thermal Resistance
Chomerics* T454 Trendline
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