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Ultralight mechanical watch enabled by graphene
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An ultralight high-performance mechanical watch made with graphene is unveiled today in Geneva at the Salon International De La Haute Horlogerie thanks to a unique collaboration. The University of Manchester has collaborated wi...
Functional OLED electrodes are produced from graphene for the first time
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 For the first time, it has been possible to produce functional OLED electrodes from graphene. The process was developed by Fraunhofer researchers together with partners from industry and research. The OLEDs can, for example, ...
What are the Differences Between GaN and GaAs RF Power Amplifiers?
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The need for high power in the VHF, UHF, and microwave bands has led to transistors that can easily supply tens to hundreds of watts at RF frequencies to 10 GHz and beyond. Most of these devices are made with gallium arsenide (...
Pulsed RF power device markets up to 4GHz: GaN, SiC, Si and GaAs based technologies
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The high-power pulsed RF semiconductor device market is primarily driven by several specific sub-segments. They are as follows: Avionics Sub-1 GHz Radar L-Band Radar S-Band Radar The end-customers for these devices are primaril...
Graphene is Proven to be an Enabler of Ultra-fast Electronics
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The strong electric field of the highly charged ions is able to tear dozens of electrons away from the graphene within a matter of femtoseconds. However, because graphene is able to transport high electric currents, the positiv...