[B-4-3] Experimental Investigation of Torques Acting on Upper and Lower Platens in Double-sided Lapping 〇Ryo Ozaki1, Yohei Hashimoto1, Hinako Hashimoto1, Tatsuaki Furumoto1, Tomohiro Koyano1, Akira Hosokawa1 (1.Kanazawa University) Keywords:Polishing、Torque、Slurry supplied state、Carrier、