Intel Pentium 4 Processor in the 423-pin Package Thermal Solution Functional Specification

Intel
®
Pentium® 4 Processor Thermal Solution Functional Specification
®
8
4. DESIGN REQUIREMENTS
4.1. Critical To Function Dimensions
Table 1
provides the Critical To Function (CTF) dimensions.
Figure 3
and
Figure 4
provide the drawings detailing the Critical To Function (CTF) dimensions.
Table 1: Critical To Function (CTF) Dimensions
Dimension Letter Minimum Maximum
Location of Clip Attach Groove
Far Edge from Heat Sink Edge
A 0.180in 0.200in
Width of Clip Attach Groove B 0.080in 0.100in
Base Thickness in Zone A C 0.245in 0.255in
Base Length D 3.488in 3.512in
Base Width E 2.488in 2.512in
Base Flatness in Zone B F --- 0.002in/in
Width of clip attach area (Zone A) G 0.200in ---
Height of Thermal Solution (Heat
sink, fan, and fan attach shroud)
H --- 2.22in
Height of Fan Attach Shroud Clips
(from bottom of heat sink base)
I --- 2.37in