发明名称 GATE STACK FORMED WITH INTERRUPTED DEPOSITION PROCESSES AND LASER ANNEALING
摘要 Semiconductor structures and methods of fabricating the same using interrupted deposition processes and multiple laser anneals are provided. The structure includes a high-k gate stack with a high-k bilayer or nanolaminate where a bottom portion of the bilayer is crystallized while a top portion of the bilayer is amorphous.
申请公布号 US2017005003(A1) 申请公布日期 2017.01.05
申请号 US201615155474 申请日期 2016.05.16
申请人 INTERNATIONAL BUSINESS MACHINES CORPORATION 发明人 ANDO Takashi;DASGUPTA Aritra;GLUSCHENKOV Oleg;KANNAN Balaji;KWON Unoh
分类号 H01L21/8234;H01L21/225;H01L27/088;H01L21/02 主分类号 H01L21/8234
代理机构 代理人
主权项 1. A method comprising a millisecond anneal to crystallize a lower portion of a high-k dielectric material with a top layer of the high-k dielectric material being amorphous, with restriction of a substrate preheat temperature during the millisecond anneal to below 600° C.
地址 Armonk NY US