Schedule 1 10:30 AM - 12:00 PM [XOPT-P-11] A surface figuring method for fabricating ultraprecise soft x-ray ellipsoidal mirror *Yusuke Matsuzawa1,2, Shunya Yokomae1, Hirokazu Hashizume2, Hidekazu Mimura1 (1. The University of Tokyo, 2. Natsume Optical Corporation)