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posted in May 2009
Philips Lumileds wins another round in patent lawsuits
News & Analysis  
5/25/2009   Post a comment
In another round of the long running patent infringement cases between LED suppliers Philips Lumileds (san Jose, Calif.) and Epistar (Hsinchu, Taiwan), the U.S. Court of Appeals for the Federal Circuit has rejected Epistar's appeal of the International Trade Commission's interpretation of the claims in Philips Lumileds' U.S. Patent No. 5,008,718 (the '718 patent).
Invisibility cloaks spread out
News & Analysis  
5/22/2009   Post a comment
An emerging discipline called transfomation optics were used recently to develop an improved invisibility cloak with a 100-fold increase in area compared to previous visible-wavelength cloaks.
Micron plans moves into LED, solar, says report
News & Analysis  
5/21/2009   2 comments
Micron Technology Inc. (Boise, Idaho), best known as a struggling DRAM manufacturer, is seeking funds to help it move into LED manufacture and is considering solar panel work, according to an article at the IdahoStatesman.com website.
Swedish eye-tracking technology pioneer raises VC funds
News & Analysis  
5/15/2009   Post a comment
Tobii Technology AB, the Stockholm, Sweden based start-up developing technology allowing people to control computers using only their eyes, has raised Euros 16 million ($21.7m) in venture funding.
Getting the 'blink' out: Steady nanoparticle emitters emerge
News & Analysis  
5/14/2009   Post a comment
Researchers claim to have demonstrated always-on nanoparticle emitters.
UK to fund ultra fast broadband R&D projects
News & Analysis  
5/14/2009   Post a comment
The UK government is investing Ł1 million to help companies and universities carry out initial research and feasibility studies into technologies that will be needed for the next generation of broadband beyond that currently available, so called Ultra Fast Broadband.
White OLED surpasses fluorescent lamp efficiency
Product News  
5/14/2009   Post a comment
The Dresden technical university and OLED vendor Novaled AG (Dresden, Germany) claim they have reached an efficiency of 90 lumen per watt. Now researchers have to overcome only lifetime issues to trigger the breakthrough to general lighting applications with OLEDs.
Green lasers arrive for pico projectors
News & Analysis  
5/6/2009   2 comments
Green semiconductor lasers, a key component for pico projectors, will enter mass production by midyear, according to Corning Inc., which announced a deal with Microvision Inc. to supply the green lasers for Microvision's PicoP Display Engine.
Machine vision firm Cognex cuts 85 jobs
News & Analysis  
5/5/2009   1 comment
Machine vision vendor Cognex announced additional cost-cutting measures including the elimination of about 85 jobs and reported that first quarter sales fell 30 percent compared to the same period of 2008.


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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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