[1] [1] SONG J,NI Y,XU D Y,et al..Modeling and realization of a multilevel read-only disk[J].Optics Express,2006,14(3):1199-1207

[2] [2] ZHANG Q C,NI Y,XU D Y,et al..Multilevel run-length limited recording on read-only disc[J].J.Appl.Phys,2006,45:4097-4101

[3] [3] DILL F H,NEUREURTHER A R,TUTTLE J A,et al..Modeling projection printing of positive photoresists[J].IEEE Trans.Electron.Devices,1975,22(7):456-464

[7] [7] BOIVIN A,WOL E.Electromagnetic field in the neighborhood of the focus of a coherent beam[J].Phys.Rev.,1965,138(6B):1561-1565

[8] [8] MACK C A.Development of positive photoresists[J].J.Electrochem.Soc.:Solid-State Science and Technology,1987,134(1):148-152