Phase(PM: Phase Mode) measurement Structure and function of polymer (SPA-300HV, Environment Control Type Unit Data No. 1 Lamella structure of Polypropylene Topography PM image 100nm 100nr EPR LAmella structure can be observed clearly with PM mode. ODomain of Ethylene Propylene Rubber(EPR)is distributed in the Polypropylene(PP)matrix.100 nm 100 nm Topography PM image EPR PP （matrix） ●Lamella structure can be observed clearly with PM mode. ●Domain of Ethylene Propylene Rubber (EPR) is distributed in the Polypropylene (PP) matrix. （ SPA-300HV, Environment Control Type Unit） Data No.１ Lamella structure of Polypropylene Phase（PM：Phase Mode）measurement － Structure and Function of Polymer －