There are 475,000 Google search hits for ‘thermal bottleneck’. It’s a well-recognized phrase playing on a very obvious analogy. Despite this, there were few attempts to quantify such a parameter. Spurred on by its relevance in electronic thermal design, we did just that, put hard numbers to the concept. FloTHERM now has the ability to plot distributions of a thermal … [Read more...]
Blue LEDs. Since When is Improvement Invention?
Lighting accounts for ~20% of the world’s total energy consumption. This is a staggering statistic. Why so much? Historically a lot of energy had to be consumed to produce the required amount of visible light. Incandescent bulbs, where electric current is used to heat a metal filament, resulted in most of the energy being dissipated as heat. More a hot bulb than a … [Read more...]
The Electronics Cooling Metaphorical Drinking Game
There are a handful of quoted and re-quoted drivers, concepts and technologies in the electronics cooling industry. Be it a presentation, peer-reviewed paper, press release, thermal design guide or webinar the same core material keeps popping up in various guises. This is by no means a bad thing. The challenges faced when cooling electronics are clear, clearly … [Read more...]
Xilinx Patent for Critical TJ Prediction
A recently issued patent describes a process by which the critical IC temperature (junction temperature, Tj) can be determined in an end-user environment. A critical junction temperature is one that, should the IC temperature go beyond it, will continue to increase in a thermal runaway scenario. In other words, the environment in which the IC is operating can’t get the … [Read more...]
Dell Precision – Spot on Thermal Design
Develop 3D is a UK based Magazine and Website focussing on the technologies involved in product design. The latest copy had a fascinating article on Dell’s Precision Workstation labs. This blog is being written on a Precision M4500 which I’ve lugged around countless airports and dumped, wearily, on numerous hotel beds. The fact that it works as well now as when I … [Read more...]
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