Schedule 1 10:30 AM - 12:00 PM [XOPT-P-01] Fabrication of X-ray absorption grating using ultracetrifuge *Wataru Yashiro1, Chika Kamezawa2, Kazuyuki Hyodo3, Daisuke Hojo4 (1. IMRAM, Tohoku University, 2. Department of Materials Structure Science, SOKENDAI, 3. IMSS, KEK, 4. AIMR, Tohoku University)