Intel 2ND GENERATION CORE PROCESSOR FAMILY DESKTOP - THERMAL MECHANICAL S AND DESIGN GUIDELINES 01-2011, Specifications

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Heat Sink Back Plate Drawings
134 Thermal/Mechanical Specifications and Design Guidelines
§
Figure E-3. Reference Design ILM Back Plate
(1.8
)
3.25±
0.5
18 18
2X
5.5±
0.15
5X R
4±
1
4X MAX R
1.8
2X R
MAX1
4.3
30.91
2X 30.11
B
47.6±0.3
0.2
A
B
20.9±0.1
0.2
A
B
C
29.5±0.1
CHAMFER
X 45°
5±
0.15
2X R
4±
1
C
71.9±0.3
A
THIS DRAWING CONTAINS INTEL CORPORATION CONFIDENTIAL INFORMATION. IT IS DISCLOSED IN CONFIDENCE AND ITS CONTENTS MAY NOT BE DISCLOSED, REPRODUCED, DISPLAYED OR MODIFIED, WITHOUT THE PRIOR WRITTEN CONSENT OF INTEL CORPORATION.
REVISION HISTORY
ZONE
REV
DESCRIPTION
DATE
APPROVE
-
A
INITIAL RELEASE
8/17/07
D. CARTE
D3
B
UPDATED MATERIAL PROPERTIES NOTES
8/29/07
D. CARTE
G7
C
-002: ADDED CHAMFER
01/03/08
T.BYQUIS
D
-003: MODIFIED CAVITY DIMENSION,
MODIFIED TOLERANCES
06/16/08
CCB
E
UPDATED FINISH/PLATING SPEC.
1/29/09
DEPARTMENT
R
2200 MISSION COLLEGE BLVD P.O. BOX 58119 SANTA CLARA, CA 95052-8119
PST-TMI
TITLE
LGA115X ILM BACKPLATE
SIZE
DRAWING NUMBER
REV
A1
E20847
E
4
DO
NOT
SCALE
DRAWING
1
1
FINISH
MATERIAL
01/03/08
T.BYQUIST
DATE
APPROVED BY
12/18/07
B. DALE
12/27/07
R. AOKI
DATE
CHECKED BY
12/17/07
K. SHIMADA
DATE
DRAWN BY
12/17/07
R. AOKI
DATE
DESIGNED BY
UNLESS OTHERWISE SPECIFIED
INTERPRET DIMENSIONS AND TOLERANCES IN ACCORDANCE WITH ASME Y14.5M-1994
DIMENSIONS ARE IN MILLIMETERS
ALL UNTOLERANCED LINEAR
DIMENSIONS ±0.5
ANGLES ±1
THIRD ANGLE PROJECTION
PARTS LIST
DESCRIPTION
PART NUMBER
ITEM NO
QTY
ILM BACKPLATE
E20847-003
TOP
8
3
C.L. OF C
3
3X PIERCE AND TAP 6-32 UNC THRU HOLE MIN 3 THREAD
SCALE 2
NOTES: 1. THIS DRAWING TO BE USED IN CONJUNCTION WITH THE SUPPLIED 3D DATABASE FILE. ALL DIMENSIONS AND TOLERANCES ON THIS DRAWING TAKE PRECEDENCE OVER SUPPLIED FILE. 2. UNLESS OTHERWISE NOTED, TOLERANCES ON DIMENSIONED FEATURES ARE AS IN TOLERANCE BLOCK.
3
CRITICAL TO FUNCTION (CTF).
4. MATERIAL: A) TYPE: 1.8MM ±
0.05
3
, SK7, 1065, S50C OR CHSP60PC.
B) CRITICAL MECHANICAL PROPERTIES FOR EQUIVALENT MATERIAL SELECTION: TENSILE YEILD STRENGTH (ASTM D638) >= 489 MPa MODULUS OF ELASTICITY (ASTM D638) >= 190 GPa 5. FINISH: 5 MICRON MIN. ZINC PLUS CLEAR CHROMATE PER ASTM B 633 COLORLESS OR 2 MICRON MIN. ELECTROLYTIC NICKEL PLATING. PROCESS TEST: 48 HRS 85°
C/85% HUMIDITY WITH NO VISIBLE CORROSION.
6. REMOVE ALL BURRS OR SHARP EDGES AROUND PERIMETER OF PART. SHARPNESS OF EDGES SUBJECT TO HANDLING ARE REQUIRED TO MEET UL1439 TEST. 7. PART SHALL BE DEGREASED AND FREE OF OIL AND DIRT MARKS.
8
PUNCH DIRECTION.
0.15
A
B
C
0.1
A
0.2