Introduction The main topic of the article is how to cope with the increasing need for standardization of thermal characterization of LEDs (Light Emitting Diodes) and LED-based products (see Fig.1 showing a typical LED package). The LED-business is growing much faster than analysts predicted five years ago. Unfortunately, the progress in thermal characterization has not kept … [Read more...]
Numerical Simulation of Complex Submicron Devices
Introduction Significant increases in temperature are believed to contribute to losses in reliability and performance, and can present serious complications to thermal management. The net thermal effect depends on a combination of factors related to the feature size, power densities, and material properties. In semiconductor devices, higher heat flux densities can result from … [Read more...]
A Cryocooler In Your Laptop Computer? Maybe…
Introduction A review of the technical and market impediments overcome in the development and eventual acceptance of cryocoolers for space-borne applications may shine light on the prospects for the use of such mechanical refrigeration systems in more widespread commercial uses. This premise is explored by first reviewing space cooler development history, then considering some … [Read more...]
A Simple Method to Estimate the Physical Characteristics of a Thermoelectric Cooler from Vendor Datasheets
Introduction A thermoelectric cooler (TEC) is a solid-state refrigerator that operates on the Peltier effect. The absence of moving parts, compact size, precise temperature control ability and reliability all combine to make the TEC a unique refrigerator. TECs find application [1, 2] in many fields from simple food and beverage coolers for an afternoon picnic to extremely … [Read more...]
Challenges In Thermal Management Of Memory Modules
The Datacenter Quandary Two significant challenges facing datacenter operators today are increased power and cooling costs [1]. In a recent survey of datacenter operators, 38% of respondents said they considered both power and cooling as equally important; another 21% indicated that cooling was their major challenge; and 12% cited power consumption as a big concern [2]. Another … [Read more...]
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