Mechanical Drawings
40
Thermal and Mechanical Design Guide
Figure 20. (G)MCH Reference Heatsink for ATX Platforms – Ramp Retainer Sheet 1
2X 31.1
1.225[]
62 0.05
.079
.001[]
661.51
2.422[]
670.49
2.775[]
2X 27.95
1.100[]
3
.118[]
NOTES:
1. THIS DRAW ING TO BE USED IN CONJUNCTIO N W ITH SUPPLIED 3D
DATABASE FILE. ALL DIMENSIONS AND TOLERANCES ON THIS
DRAWING TAKE PRECEDENCE OVER SUPPLIED FILE AND ARE
APPLICABLE AT PART FREE, UNCONSTRAINED STATE UNLESS
INDICAT ED O THERW ISE.
2. TOLERANCES O N DIMENSIO NED AND UNDIMENSIO NED
FEATURES UNLESS OTHERW ISE SPECIFIED:
DIMENSIONS ARE IN MILLIMETERS.
FOR FEATURE SIZES < 10MM: LINEAR .07
FOR FEATURE SIZES BETW EEN 10 AND 25 MM: LINEAR .08
FOR FEATURE SIZES BETW EEN 25 AND 50 MM: LINEAR .10
FOR FEATURE SIZES > 50MM: LINEAR .18
ANGLES: 0.5
3. MATERIAL:
A) TYPE: ENVIRONMENTALLY COMPLIANT THERMOPLASTIC OR
EQUIVALENT UPON INTEL APPROVAL (REF. GE LEXAN 500ECR-739)
B) CRITICAL MECHANICAL MATERIAL PRO PERTIES
FO R EQUIVALENT MATERIAL SELECTION:
TENSILE YIELD STRENG TH (ASTM D638) > 57 MPa
TENSILE ELONGATION AT BREAK (ASTM D638) >= 46%
F LEXURAL M O DULUS (AST M D638) 3116 M P a 10%
SO FTENING TEMP (VICAT, RAT E B): 154 C
C) COLOR: APPROXIMATING BLACK, (REF GE 739)
D) REGRIND: 25% PERMISSIBLE.
E) VO LUM E - 1.73e+ 03 CUB IC-M M (RE F )
W EIG HT - 2.16 GRAMS (REF)
5 MARK PART W ITH INTEL P/N, REVISION, CAVITY NUMBER
AND DATE CODE APPROX WHERE SHOW N PER INTEL MARKING
ST A NDARD 164997
6 CRITICAL TO FUNCTION DIMENSION
7. ALL DIMENSIONS SHOWN SHALL BE MEASURED FOR FAI
8. NOTE REMOVED
9. DEG ATE: FLUSH TO 0.35 BELO W STRUCTURAL THICKNESS
(GATE W ELL OR GATE RECESS ACCEPTABLE)
10. FLASH: 0.15 MAX.
11. SINK : 0.25 M AX .
12. EJECTO R MARKS: FLUSH TO -0.25
13. PARTING LINE MISMATCH NO T TO EXCEED 0.25.
14. EJECTION PIN BOSSES, GATING, AND TOOLING INSERTS REQUIRE
INTEL'S APPROVAL PRIOR TO TOOL CONSTRUCTION.
ALL EJECTION PIN BOSSES AND GATE FEATURES SHOW N
ARE FO R REF ERENCE O NLY.
15. EDGES SHOW N AS SHARP R 0.1 MAX.
16. TOOLING REQ UIRED TO MAKE THIS PART SHALL BE THE
PROPERTY O F INTEL, AND SHALL BE PERMANENTLY MARKED
WITH INTEL'S NAME AND APPROPRIATE PART NUMBER.
17. ALL SECONDARY UNIT DIMENSIO NS ARE FO R REFERENCE ONLY.
SEE DETAIL C
5
SEE DETAIL ASEE DETAIL A
SEE DETAIL C
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