1[4]Mooney,et al.Electrophotographic photoconductor comprising CdS and ZnS.United States Patent,4,341 851.July,27,1982
2[5]Schlamp,et al.Sputtering target for producing optically transparent layers and method of manufacturing these targets.United States Patent,4 943 362,July 24,1990
3[6]Ide,et al.Sputtering target,method of producing the target,optical recording medium fabricated by using the sputtering target,and method of forming recording layer for the optical recording medium.United States Patent,6 319 368,November 20,2001
