发明名称 ETCHING METHOD, METHOD OF MANUFACTURING ARTICLE, AND ETCHING SOLUTION
摘要 An etching method according to an embodiment includes forming a catalyst layer made of a noble metal on a structure made of a semiconductor, and dipping the structure in an etching solution containing hydrofluoric acid, an oxidizer, and an organic additive to remove a portion of the structure that is in contact with the catalyst layer.
申请公布号 US2016079078(A1) 申请公布日期 2016.03.17
申请号 US201514845818 申请日期 2015.09.04
申请人 Kabushiki Kaisha Toshiba 发明人 ASANO Yusaku
分类号 H01L21/306;C09K13/08 主分类号 H01L21/306
代理机构 代理人
主权项 1. An etching method comprising: forming a catalyst layer made of a noble metal on a structure made of a semiconductor; and dipping the structure in an etching solution containing hydrofluoric acid, an oxidizer, and an organic additive to remove a portion of the structure that is in contact with the catalyst layer.
地址 Minato-ku JP