Analysis on the black matter on the surface of evaporated gold and chip
Ma Xiaoxia;Fan Hong;Li Shousheng;Li Yuqin;Du Jinfeng;Shandong Zhaojin Group Co.;Ltd.;School of Material Science and Engineering;Shandong University;Yantai Zhaojin Kanfort Precious Metals Incorporated Company;Guohua Electric Power Research Institute Co.;Ltd.of Shenhua Group;