公开(公告)号：US20080179712A1

公开(公告)日：2008-07-31

申请号：US12062164

申请日：2008-04-03

申请人： Joel P. de Souza ,  Keith E. Fogel ,  Brian J. Greene ,  Devendra K. Sadana ,  Haining S. Yang

发明人： Joel P. de Souza ,  Keith E. Fogel ,  Brian J. Greene ,  Devendra K. Sadana ,  Haining S. Yang

IPC分类号： H01L29/06 ,  H01L21/76

CPC分类号： H01L29/32 ,  H01L21/0203 ,  H01L21/76259 ,  H01L29/1033 ,  H01L29/1083 ,  H01L29/16 ,  H01L29/78

摘要： A semiconducting material that has all the advantages of prior art SOI substrates including, for example, low parasitic capacitance and leakage, without having floating body effects is provided. More specifically, the present invention provides a Semiconductor-on-Pores (SOP) material that includes a top semiconductor layer and a bottom semiconductor layer, wherein the semiconductor layers are separated in at least one region by a porous semiconductor material. Semiconductor structures including the SOP material as a substrate as well as a method of fabricating the SOP material are also provided. The method includes forming a p-type region with a first semiconductor layer, converting the p-type region to a porous semiconductor material, sealing the upper surface of the porous semiconductor material by annealing, and forming a second semiconductor layer atop the porous semiconductor material.

摘要翻译： 提供了具有现有技术的SOI衬底的所有优点的半导体材料，包括例如低寄生电容和泄漏，而不具有浮体效应。 更具体地说，本发明提供一种包括顶部半导体层和底部半导体层的半导体激光器（SOP）材料，其中半导体层通过多孔半导体材料在至少一个区域中分离。 还提供了包括作为基板的SOP材料的半导体结构以及制造SOP材料的方法。 该方法包括：形成具有第一半导体层的p型区域，将p型区域转换为多孔半导体材料，通过退火密封多孔半导体材料的上表面，以及在多孔半导体材料的顶部形成第二半导体层 。