Thermal
Silicone Sheet (0.006 in.)
Bare Joint
2
Floroether Oil Sheet (0.007 in.)
Graphite/Oil Sheet (0.005 in.)
Synthetic Grease
1.5
1
0.5
0
0
10
20
30
Contact Pressure (psi)
Figure 47. Thermal Performance of Select Thermal Interface Materials
40
50
60
70
80
The system board designer can choose between several types of thermal interface. There are several
commercially-available thermal interfaces provided by the following vendors:
Chomerics, Inc.
781-935-4850
77 Dragon Ct.
Woburn, MA 01888-4014
Internet: www.chomerics.com
Dow-Corning Corporation
Dow-Corning Electronic Materials
2200 W. Salzburg Rd.
800-248-2481
Midland, MI 48686-0997
Internet: www.dowcorning.com
Shin-Etsu MicroSi, Inc.
10028 S. 51st St.
Phoenix, AZ 85044
888-642-7674
800-347-4572
Internet: www.microsi.com
The Bergquist Company
18930 West 78th St.
Chanhassen, MN 55317
Internet: www.bergquistcompany.com
MPC8540 Integrated Processor Hardware Specifications, Rev. 4
84
Freescale Semiconductor