A Tale of Two Sides of Wafer: Physical Implementation and Block-Level PPA on Flip FET with Dual-Sided Signals. - Haoran Lu; Xun Jiang 002; Yanbang Chu; Ziqiao Xu; Rui Guo; Wanyue Peng; Yibo Lin; Runsheng Wang; Heng Wu 007; Ru Huang 001 (DATE, 2025)