Intel Q9450 - Core 2 Quad Quad-Core Processor

Intel® Thermal/Mechanical Reference Design Information
Thermal and Mechanical Design Guidelines 55
Figure 17. Critical Parameters for Interfacing to Reference Clip
Core
Fin Array
Fan
Clip
See Detail A
Core
Fin Array
Fan
Clip
See Detail A
Detail A
Fin Array
Clip
Core
1.6 mm
Detail A
Fin Array
Clip
Core
1.6 mm
Detail A
Fin Array
Clip
Core
1.6 mm
Detail A
Fin Array
Clip
Core
1.6 mm
Detail A
Fin Array
Clip
Core
1.6 mm
Detail A
Fin Array
Clip
Core
1.6 mm
Figure 18. Critical Core Dimension
R 0.40 mm max
R 0.40 mm max
 36.14 +/- 0.10 mm
Gap required to avoid
core surface blemish
during clip assembly.
Recommend 0.3 mm min.
1.00 mm min
2.596 +/- 0.10 mm
 38.68 +/- 0.30 mm
1.00 +/- 0.10 mm
Core
NOTE: Dimension from the bottom of the clip to the bottom of the
heatsink core (or base) should be met to enable the required
load from the heatsink clip (i.e., 43 lbf nominal +/- 10 lbf)
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