The International Technology Roadmap for Semiconductors (ITRS) committee has added carbon materials including CNT and graphene to the list of promising materials or technologies for future high-performance LSI, and has been discussing the feasibility. On the other hand, at a meeting held in 2009, the discussion was made under an assumption that the realization of graphene-based technologies would not come before 2019. The meaning of this is that it will require a long time of research and development for the realization of graphene-based devices because, in spite of its wonderful potentiality, the research and development of graphene are still at an early and basic stage and there are still a number of technical challenges.
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