This article presents an analysis methodology that can be used to calculate the thermal resistance of a vertical downward facing vapor condenser plate-fin heat sink, i.e. a heat sink in which the plate-fins extend downward from a horizontal base into a coolant vapor region and whose function it is to condense this vapor into liquid condensate. Such heat sinks are used in … [Read more...]
New Low Resistance TIM Delivers 6.0 W/m°K Thermal Conductivity
Thermal interface material provider Fujipoly has released Sarcon GR45A-00, a very low modulus thermal interface material with a low thermal resistance. Featuring a thermal conductivity of 6.0 W/m°K per ASTM D2326 (4.5 W/m°K per ISO/CD 22007-2 Hot disk) and a thermal resistance as low as 1.33°C cm2/W, the new formulation completely fills air gaps between components, board … [Read more...]
Multi-Purpose Cold Plates for TEC, LED and Semiconductor Cooling
Custom liquid cooling solutions provider Koolance has released three new multi-purpose cold plates for heat sources ranging from 25-50 mm/sq. The three models— PLT-UN50F, PLT-UN40F and PLT-UN25F—are ideal for thermal applications such as thermoelectric cooling, LEDs, image sensors and semiconductor cooling. PLT-UN50F features a cooling area footprint of 50mm x 50mm (1.97in x … [Read more...]
To What do you Attribute the Success of Al/SiC?
Editor’s note: This question was asked in response to Electronics Cooling’s recent webinar by Carl Zwebin. To view the webinar, click here. Question: To what do you attribute the success of Al/SiC? Answer: Al/SiC composites have attractive properties, including low CTEs, thermal conductivities in the range of aluminum alloys and low densities. In addition, the raw … [Read more...]
New High Thermal Conductivity LED Die Attach Adhesive
Engineered Material Systems, a supplier of electronic materials for circuit assembly applications, has released its CA-195 high thermal conductivity LED die attach adhesive for bonding LED and other small semiconductor die to silver and copper lead frames. According to the company, CA-195 is approximately half the cost of a pure silver-filled die attach adhesive and features a … [Read more...]
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