发明名称 EXPOSURE METHOD
摘要 PURPOSE: An exposure method is provided to produce high resolution and high precision pattern by now available x-ray exposure apparatus and mask. CONSTITUTION: An exposure method for exposing a workpiece in a proximity exposure system includes a first exposure step for printing, by exposure, an image of a first mask pattern on a predetermined portion of the workpiece, and a second exposure step for printing , by exposure, an image of a second mask pattern, different from the first mask pattern, on the predetermined portion of the workpiece, wherein exposures in the first and second exposure steps are performed superposedly, prior to a development process.
申请公布号 KR20000047560(A) 申请公布日期 2000.07.25
申请号 KR19990046980 申请日期 1999.10.27
申请人 CANON KABUSHIKI KAISHA 发明人 AMEMIYA MITSUAKI;UZAWA SHUNICHI
分类号 H01L21/027;B81C1/00;G03F1/00;G03F7/00;G03F7/20 主分类号 H01L21/027
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