Articles from November 2008 Issue

A Cryocooler In Your Laptop Computer? Maybe…

November 1st, 2008

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…read more

Advanced Metal Diamond Composites – Love and Heat Relationship

November 1st, 2008

Introduction Thermal management is a critical issue in high-power laser diode and LED packages, and microprocessor units [1, 2]. Reliability and long life time of electronic packages call not only for materials with high thermal…read more

Emissivity in Practical Numerical Modeling

November 1st, 2008

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…read more

Giving Back

November 1st, 2008

haring, Tech nical knowledgeThe A&D group represents a large number of subscribers but their contribution rate measured against authored articles in ElectronicsCooling is underrepresented. Soliciting targeted articles from my coworkers within this industry group has…read more

Integrated Heat Pipe Spreader for Improved FBDIMM Memory Module Thermal Management

November 1st, 2008

Introduction Due to the increasing power density in today’s industry standard servers, thermal design and cooling is a significant challenge. In a typical server, the two most challenging elements to cool are the processors and…read more

Power Map Calculations Using Image Sources and Superposition

November 1st, 2008

Introduction In the past, thermal engineers were content to calculate a single junction temperature in the thermal characterization of an integrated circuit chip in a package. In recent years, as power levels have increased, more…read more

Pushing the Boundaries of Heat Pipe Operation

November 1st, 2008

 Introduction Heat pipes are well-established two-phase devices used in the electronics cooling industry to transport heat from the point it is generated to the place where it is extracted from the system. Three wick structures…read more