Vol.3 No.4 2011

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Research paper : R&D of SiC semiconductor power devices and strategy towards their practical utilization (K. Arai)−258−Synthesiology - English edition Vol.3 No.4 (2011) Answer (Kazuo Arai)1) “Total solution” is used in the sense that various methods are integrated to solve a certain major issue. The major issue that must be solved for the practical use of the new semiconductor was the “solution of the three-party deadlock”. To do so, the linear R&D model of “wafer device application development” was insufficient, and it was necessary to deal with the issue from three directions (methods).2) The “power electronics innovation” is a development of “[low loss + high frequency] low cost converter ubiquitous power electronics device”.7 Content of “integrated research”Comment (Yoshiro Owadano)In “integrated research”, I’m sure there were shift of emphasis as time went by, allotment of limited resources, and walls between different topics. It will be very useful if you describe how you dealt with those issues.Answer (Kazuo Arai)Since this study started from almost zero, we recklessly engaged in whatever we thought was necessary, and were always hungry. If we could not fabricate the device on our own, we could not see any prospect. Therefore, funds were invested in the expensive equipment and facilities for the device process. I added the description of this situation.

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