发明名称 EXPOSURE METHOD AND STEPPER
摘要 PURPOSE:To obtain a stepper wherein, in a transfer opration in a step-and-repeat manner, it is possible to restrain that a resist is bubbled at a wafer stage part on the resist on the surface of a wafer whose periphery has been exposed in advance. CONSTITUTION:A light-shielding member 6 which shields an edge part on a wafer 2 from exposure light is installed on the wafer mounting face of a stage 3 which is moved two-dimensionally, in which the wafer 2 is mounted on its surface and which is moved in a definite size in a step-and-repeat operation.
申请公布号 JPH05335207(A) 申请公布日期 1993.12.17
申请号 JP19920163921 申请日期 1992.05.29
申请人 MITSUBISHI ELECTRIC CORP 发明人 IWASA HIROMICHI
分类号 H01L21/30;G03F7/20;H01L21/027;(IPC1-7):H01L21/027 主分类号 H01L21/30
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