发明名称 Scaling EOT by eliminating interfacial layers from high-K/metal gates of MOS devices
摘要 An integrated circuit structure includes a semiconductor substrate, and a phonon-screening layer over the semiconductor substrate. Substantially no silicon oxide interfacial layer exists between the semiconductor substrate and the phonon-screening layer. A high-K dielectric layer is located over the phonon-screening layer. A metal gate layer is located over the high-K dielectric layer.
申请公布号 US9478637(B2) 申请公布日期 2016.10.25
申请号 US201012789681 申请日期 2010.05.28
申请人 Taiwan Semiconductor Manufacturing Company, Ltd. 发明人 Xu Jeffrey Junhao
分类号 H01L29/78;H01L29/66;H01L21/28;H01L29/51;H01L21/02;H01L21/306 主分类号 H01L29/78
代理机构 Slater Matsil, LLP 代理人 Slater Matsil, LLP
主权项 1. An integrated circuit structure comprising: a semiconductor substrate; a phonon-screening layer over the semiconductor substrate, wherein substantially no silicon oxide interfacial layer is between the semiconductor substrate and the phonon-screening layer; a high-K dielectric layer over the phonon-screening layer; and a metal gate layer over the high-K dielectric layer, wherein the phonon-screening layer, the high-K dielectric layer, and the metal gate layer are coterminous.
地址 Hsin-Chu TW