Shanghai , 28th , June - - A breakthrough in the industrialization of phase change random access memory ( PCRAM ) has been realized by Prof . SONG Zhitang ' s group .Which was announced in a press conference held in Shanghai Institute of Microsystem and Information Technology ( SIMIT ) , Chinese Academy of Sciences ( CAS ) .During the conference , WANG Dongjie , the general manager of Zhuhai Apex Microelectronics Co . , Ltd , and Prof . SONG Zhitang gav...