发明名称 半導体装置の製造方法
摘要 A method of manufacturing a semiconductor device includes providing a semiconductor substrate having a front surface and a back surface; forming a transition metal layer in a surface of the semiconductor substrate; and exposing the semiconductor substrate having the transition metal layer formed thereon to a hydrogen plasma atmosphere formed by microwaves, to cause the transition metal layer to generate heat, Thus, during the exposure of the semiconductor substrate, a portion of the semiconductor substrate contacting the transition metal layer is heated by a transfer of heat from the transition metal layer and, at an interface of the transition metal layer and the semiconductor substrate, an ohmic contact is formed by reaction of the transition metal layer and the semiconductor substrate, such as to form a transition metal silicide when the semiconductor substrate is silicon carbide. The ohmic contact provides a lower contact resistivity and device properties can be prevented from degrading.
申请公布号 JP6037083(B2) 申请公布日期 2016.11.30
申请号 JP20160513845 申请日期 2015.04.17
申请人 富士電機株式会社 发明人 中澤 治雄;荻野 正明;中嶋 経宏;井口 研一;立岡 正明;中川 清和
分类号 H01L21/28;H01L21/336;H01L29/78 主分类号 H01L21/28
代理机构 代理人
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