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    • 13. 发明申请
    • HIGH-PERFORMANCE CMOS SOI DEVICES ON HYBRID CRYSTAL-ORIENTED SUBSTRATES
    • 高性能CMOS SOI器件在混合晶体导向衬底上的应用
    • US20080096330A1
    • 2008-04-24
    • US11958877
    • 2007-12-18
    • Bruce DorisKathryn GuariniMeikei IeongShreesh NarasimhaKern RimJeffrey SleightMin Yang
    • Bruce DorisKathryn GuariniMeikei IeongShreesh NarasimhaKern RimJeffrey SleightMin Yang
    • H01L21/84
    • H01L21/76275H01L21/823807H01L21/84
    • An integrated semiconductor structure containing at least one device formed upon a first crystallographic surface that is optimal for that device, while another device is formed upon a second different crystallographic surface that is optimal for the other device is provided. The method of forming the integrated structure includes providing a bonded substrate including at least a first semiconductor layer of a first crystallographic orientation and a second semiconductor layer of a second different crystallographic orientation. A portion of the bonded substrate is protected to define a first device area, while another portion of the bonded substrate is unprotected. The unprotected portion of the bonded substrate is then etched to expose a surface of the second semiconductor layer and a semiconductor material is regrown on the exposed surface. Following planarization, a first semiconductor device is formed in the first device region and a second semiconductor device is formed on the regrown material.
    • 提供包含至少一个器件的集成半导体结构,所述器件形成在对于该器件最佳的第一晶体表面上,而另一器件形成在对于另一器件最佳的第二不同晶体表面上。 形成集成结构的方法包括提供包括至少第一晶体取向的第一半导体层和第二不同晶体取向的第二半导体层的键合衬底。 键合衬底的一部分被保护以限定第一器件区域,而键合衬底的另一部分是未受保护的。 然后蚀刻键合衬底的未保护部分以暴露第二半导体层的表面,并将半导体材料重新生长在暴露表面上。 在平坦化之后,在第一器件区域中形成第一半导体器件,并且在再生长材料上形成第二半导体器件。