Schedule 7 11:45 AM - 12:00 PM [We-2B-04] CVD parameters regulation for 4H-SiC trench fast-filling over 10 μm/h *Shiyang Ji1, Ryoji Kosugi1, Kazutoshi Kojima1, Yoshiyuki Yonezawa1, Sadafumi Yoshida1, Hajime Okumura1 (1. AIST(Japan))