发明名称 CONCAVE-CONVEX PATTERN FORMING METHOD AND MAGNETIC TUNNEL JUNCTION ELEMENT FORMING METHOD
摘要 A method of forming a concave-convex pattern according to an embodiment includes: forming a guide pattern on a base material, the guide pattern having a convex portion; forming a formative layer on the guide pattern, the formative layer including a stacked structure formed by stacking a first layer and a second layer, the first layer including at least one element selected from a first metal element and a metalloid element, the second layer including a second metal element different from the first metal element; selectively leaving the formative layer only at side faces of the convex portions by performing etching on the formative layer; removing the guide pattern; and forming the concave-convex pattern in the base material by performing etching on the base material, with the remaining formative layer being used as a mask.
申请公布号 US2012115250(A1) 申请公布日期 2012.05.10
申请号 US201113300062 申请日期 2011.11.18
申请人 ARIGA TOMOTAKA;OHSAWA YUICHI;ITO JUNICHI;KUROSAKI YOSHINARI;KASHIWADA SAORI;HIRAOKA TOSHIRO;AMANO MINORU;YANAGI SATOSHI;KABUSHIKI KAISHA TOSHIBA 发明人 ARIGA TOMOTAKA;OHSAWA YUICHI;ITO JUNICHI;KUROSAKI YOSHINARI;KASHIWADA SAORI;HIRAOKA TOSHIRO;AMANO MINORU;YANAGI SATOSHI
分类号 H01L21/02;H01L21/28 主分类号 H01L21/02
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