Method and structure for forming strained Si for CMOS devices
    10.
    发明授权
    Method and structure for forming strained Si for CMOS devices 失效
    用于形成CMOS器件的应变Si的方法和结构

    公开(公告)号:US07129126B2

    公开(公告)日:2006-10-31

    申请号:US10605906

    申请日:2003-11-05

    IPC分类号: H01L21/8238

    摘要: A method for manufacturing a device including an n-type device and a p-type device. In an aspect of the invention, the method involves doping a portion of a semiconductor substrate and forming a gap in the semiconductor substrate by removing at least a portion of the doped portion of the semiconductor substrate. The method further involves growing a strain layer in at least a portion of the gap in the semiconductor substrate. For the n-type device, the strain layer is grown on at least a portion which is substantially directly under a channel of the n-type device. For the p-type device, the strain layer is grown on at least a portion which is substantially directly under a source region or drain region of the p-type device and not substantially under a channel of the p-type device.

    摘要翻译: 一种制造包括n型器件和p型器件的器件的方法。 在本发明的一个方面,该方法包括通过去除半导体衬底的掺杂部分的至少一部分来掺杂半导体衬底的一部分并在半导体衬底中形成间隙。 该方法还包括在半导体衬底中的间隙的至少一部分中生长应变层。 对于n型器件,应变层在基本上直接位于n型器件的沟道下方的至少一部分上生长。 对于p型器件,应变层生长在基本上直接位于p型器件的源极区域或漏极区域的部分上,并且基本上不在p型器件的沟道下生长。