发明名称 ETCHING METHOD OF NEGATIVE ION PLASMA
摘要 In the method of etching semiconductor by using a chemical gas such as CCl4 and SF4 which generate a negative ion plasma, as an etching gas, the method comprises the steps of (1) etching the vertical section by using a positive ion plasma and (2) etching by using a negative ion plasma.
申请公布号 KR950006979(B1) 申请公布日期 1995.06.26
申请号 KR19920010190 申请日期 1992.06.12
申请人 HYUNDAI ELECTRONICS IND. CO., LTD. 发明人 PARK, HUI - KUK;HA, JAE - HUI;KANG, MI - YONG
分类号 H01L21/302;H01L21/306;H01L21/3065;H01L21/822;H01L21/8242;H01L27/04;H01L27/10;H01L27/108;(IPC1-7):H01L21/306 主分类号 H01L21/302
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