Don’t miss out on the Winter 2010 issue of ElectronicsCooling, which includes a sneak peek at SEMI-THERM 27, feature articles on open bath immersion cooling, and energy consumption of data centers, as well as technical briefs. If you would like to receive your free copy of ElectronicsCooling click here to subscribe. Read the Winter 2010 issue here. … [Read more...]
Technical Data Summary
ElectronicsCooling magazine has been providing a technical data column since 1997 with the intent of providing you, the readers, with pertinent material properties for use in thermal analyses. We have largely covered the most common materials and their associated thermal properties used in electronics packaging and as a result, this column will evolve into additional topics. … [Read more...]
Thermal Conductivity of Filled Plastics
Compared to other solid materials, metals are widely known for their superior heat transfer capabilities. However, these capabilities come at the cost of weight, coefficient of thermal expansion (CTE) mismatch and freedom of design due to manufacturing constraints. Hence, the desire for thermally-conductive plastics. On the other side of the spectrum, we would like to have … [Read more...]
Antifreeze Coolants
Removing waste heat from electronic assemblies using a circulating liquid coolant is a common and effective method with a long and successful history, especially in avionics and data center applications. The choice of coolant depends on many factors including corrosion resistance, cost, thermal properties, regulatory constraints, thermal stability, and environmental temperature … [Read more...]
Emissivity in Practical Numerical Modeling
In the August 2003 issue, the Technical Data column was devoted to emissivity in practical temperature measurements. But what about the emissivity value that should be entered in your numerical model? Can we use the measured values as discussed in the column mentioned? Let me summarize the main points of it: Emissivity is not only a material property but also a surface … [Read more...]
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