[P-12] Relationship between removal rate and slurry content of polishing pad in high downward pressure CMP 〇Ryotaro Higashi1, Hidetoshi Takeda1, Hideo Aida1 (1.Nagaoka University of Technology) Keywords:Polishing、silicon carbide (SiC)、gallium nitride (GaN)、chemical mechanical polishing (CMP)、removal rate