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Measuring Case Temperature Thermal Validation
MVME55006E Single-Board Computer Installation and Use (6806800A37D)
103
Machining a heatsink base reduces the contact area between the heatsink and the electrical
component. You can partially compensate for this effect by filling the machined areas with
thermal grease. The grease should not contact the thermocouple junction.
Figure B-4 Machining a Heatsink
HEATSINK BOTTOM VIEW
ISOMETRIC VIEW
Machined groove for
thermocouple wire
routing
Thermocouple
junction bonded
to component
Heatsink base
Thermal pad
Through hole for thermocouple
junction clearance (may require
removal of fin material)
Also use for alignment guidance
during heatsink installation
Machined groove for
thermocouple wire
routing