Researchers at the University of California, Berkeley and the University of California, San Diego have developed a novel evaporator structure that can be integrated directly into electronics to cool chips with micro-sized components. “The idea behind this project is to use liquid, in this case de-ionized water, to absorb the heat produced by any kind of device, then evaporate … [Read more...]
Built-in Heat Spreading for Efficient Thermoelectric Cooling of Concentrated Heat Loads
Jeff Hershberger, Robert Smythe, Xiaoyi Gu and Richard F. Hill Laird Technologies, Inc. INTRODUCTION Thermoelectric cooling is an active thermal management technique. A thermoelectric cooler (TEC) has two circuit boards which are typically Al2O3 plates with copper circuit traces attached to them and semiconductor elements soldered between them. TECs are now available … [Read more...]
Estimating the Thermal Interaction between Multiple Side-by-Side Chips on a Multi-Chip Package
Je-Young Chang and Ashish Gupta Intel Corporation INTRODUCTION Integration using multi-chip packaging (MCP) is an effective and popular technology option to increase transistor density in one component by integrating two or more dice or other discrete components on a common substrate. For accurate thermal analyses of MCPs, thermal interactions between active components need … [Read more...]
Graphene Improves Copper Film Thermal Conductivity
The placement of a single atomic plane of graphene on the surface of a copper film can significantly increase the film’s thermal conductivity, making the hybrid material ideal for more demanding thermal management applications, according to new research from scientists at the University of Manchester, UK and the University of California-Riverside, U.S. The phenomenon was … [Read more...]
Thermal Management of Many-Core Processors Using Power Multiplexing
Man Prakash Gupta and Satish Kumar G.W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology INTRODUCTION Due to the growing demands of higher performance and faster computing, the number of cores in a microprocessor chip has been increasing consistently. The transition from single core to multi-core technology has already been observed in the past few … [Read more...]
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