发明名称 半導体装置の製造方法
摘要 <p><P>PROBLEM TO BE SOLVED: To allow a lift-off process to be performed with no restrictions in resist form without requiring the use of a film forming method inferior in step coverage. <P>SOLUTION: After a film 3 to be patterned is formed on a resist 2, corner parts of the film 3 to be patterned is selectively etched by ion irradiation to expose the resist 2. Then, the resist 2 is removed to lift off the film 3 to be patterned on the resist 2, whereby the film 3 to be patterned is patterned. When the lift-off process is performed in this manner, the resist 2 can be exposed by ion irradiation though the film 3 to be patterned is thickly formed on a side surface of the resist 2. Therefore, the thickness of the film 3 to be patterned, on the side surface of the resist 2 is not restricted, so that it is unnecessary to daringly use a film forming method inferior in step coverage and selection of a film forming method superior in step coverage is allowed. <P>COPYRIGHT: (C)2013,JPO&INPIT</p>
申请公布号 JP5720473(B2) 申请公布日期 2015.05.20
申请号 JP20110165720 申请日期 2011.07.28
申请人 发明人
分类号 H01L21/027;G03F7/26;H01L21/28;H01L21/306;H01L21/3205;H01L21/768 主分类号 H01L21/027
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