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    • 1. 发明授权
    • Strain-direct-on-insulator (SDOI) substrate and method of forming
    • 绝缘体绝缘体(SDOI)基板及其成型方法
    • US07998835B2
    • 2011-08-16
    • US12008841
    • 2008-01-15
    • Lee Wee TeoChung Foong TanShyue Seng TanElgin Quek
    • Lee Wee TeoChung Foong TanShyue Seng TanElgin Quek
    • H01L21/30H01L21/46
    • H01L29/165H01L21/76254H01L29/1054Y10S438/933
    • Methods (and semiconductor substrates produced therefrom) of fabricating (n−1) SDOI substrates using n wafers is described. A donor substrate (e.g., silicon) includes a buffer layer (e.g., SiGe) and a plurality of multi-layer stacks formed thereon having alternating stress (e.g., relaxed SiGe) and strain (e.g., silicon) layers. An insulator is disposed adjacent an outermost strained silicon layer. The outermost strained silicon layer and underlying relaxed SiGe layer is transferred to a handle substrate by conventional or known bonding and separation methods. The handle substrate is processed to remove the relaxed SiGe layer thereby producing an SDOI substrate for further use. The remaining donor substrate is processed to remove one or more layers to expose another strained silicon layer. Various processing steps are repeated to produce another SDOI substrate as well as a remaining donor substrate, and the steps may be repeated to produce n−1 SDOI substrates.
    • 描述了使用n个晶片制造(n-1)个SDOI衬底的方法(以及由此制备的半导体衬底)。 施主衬底(例如,硅)包括缓冲层(例如,SiGe)和形成在其上的多个交替应力(例如,弛豫SiGe)和应变(例如硅)层的多层叠层。 绝缘体邻近最外层应变硅层设置。 最外层的应变硅层和下面的松弛的SiGe层通过常规或已知的粘结和分离方法转移到处理衬底。 处理手柄基板以去除松弛的SiGe层,从而产生用于进一步使用的SDOI基板。 处理剩余的施主衬底以除去一层或多层以暴露另一应变硅层。 重复各种处理步骤以产生另一个SDOI衬底以及剩余的施主衬底,并且可以重复该步骤以产生n-1个SDOI衬底。
    • 3. 发明申请
    • STRAIN-DIRECT-ON-INSULATOR (SDOI) SUBSTRATE AND METHOD OF FORMING
    • 应变直接绝缘体(SDOI)基板和形成方法
    • US20110278645A1
    • 2011-11-17
    • US13191288
    • 2011-07-26
    • Lee Wee TeoChung Foong TanShyue Seng TanElgin Quek
    • Lee Wee TeoChung Foong TanShyue Seng TanElgin Quek
    • H01L29/165
    • H01L29/165H01L21/76254H01L29/1054Y10S438/933
    • Methods (and semiconductor substrates produced therefrom) of fabricating (n−1) SDOI substrates using n wafers is described. A donor substrate (e.g., silicon) includes a buffer layer (e.g., SiGe) and a plurality of multi-layer stacks formed thereon having alternating stress (e.g., relaxed SiGe) and strain (e.g., silicon) layers. An insulator is disposed adjacent an outermost strained silicon layer. The outermost strained silicon layer and underlying relaxed SiGe layer is transferred to a handle substrate by conventional or known bonding and separation methods. The handle substrate is processed to remove the relaxed SiGe layer thereby producing an SDOI substrate for further use. The remaining donor substrate is processed to remove one or more layers to expose another strained silicon layer. Various processing steps are repeated to produce another SDOI substrate as well as a remaining donor substrate, and the steps may be repeated to produce n−1 SDOI substrates.
    • 描述了使用n个晶片制造(n-1)个SDOI衬底的方法(以及由此制备的半导体衬底)。 施主衬底(例如,硅)包括缓冲层(例如,SiGe)和形成在其上的多个交替应力(例如,弛豫SiGe)和应变(例如硅)层的多层叠层。 绝缘体邻近最外层应变硅层设置。 最外层的应变硅层和下面的松弛的SiGe层通过常规或已知的粘结和分离方法转移到处理衬底。 处理手柄基板以去除松弛的SiGe层,从而产生用于进一步使用的SDOI基板。 处理剩余的施主衬底以除去一层或多层以暴露另一应变硅层。 重复各种处理步骤以产生另一个SDOI衬底以及剩余的施主衬底,并且可以重复该步骤以产生n-1个SDOI衬底。
    • 4. 发明申请
    • Strain-direct-on-insulator (SDOI) substrate and method of forming
    • 绝缘体绝缘体(SDOI)基板及其成型方法
    • US20090179226A1
    • 2009-07-16
    • US12008841
    • 2008-01-15
    • Lee Wee TeoChung Foong TanShyue Seng TanElgin Quek
    • Lee Wee TeoChung Foong TanShyue Seng TanElgin Quek
    • H01L21/30H01L29/12
    • H01L29/165H01L21/76254H01L29/1054Y10S438/933
    • Methods (and semiconductor substrates produced therefrom) of fabricating (n−1) SDOI substrates using n wafers is described. A donor substrate (e.g., silicon) includes a buffer layer (e.g., SiGe) and a plurality of multi-layer stacks formed thereon having alternating stress (e.g., relaxed SiGe) and strain (e.g., silicon) layers. An insulator is disposed adjacent an outermost strained silicon layer. The outermost strained silicon layer and underlying relaxed SiGe layer is transferred to a handle substrate by conventional or known bonding and separation methods. The handle substrate is processed to remove the relaxed SiGe layer thereby producing an SDOI substrate for further use. The remaining donor substrate is processed to remove one or more layers to expose another strained silicon layer. Various processing steps are repeated to produce another SDOI substrate as well as a remaining donor substrate, and the steps may be repeated to produce n−1 SDOI substrates.
    • 描述了使用n个晶片制造(n-1)个SDOI衬底的方法(以及由此制备的半导体衬底)。 施主衬底(例如,硅)包括缓冲层(例如,SiGe)和形成在其上的多个交替应力(例如,弛豫SiGe)和应变(例如硅)层的多层叠层。 绝缘体邻近最外层应变硅层设置。 最外层的应变硅层和下面的松弛的SiGe层通过常规或已知的粘结和分离方法转移到处理衬底。 处理手柄基板以去除松弛的SiGe层,从而产生用于进一步使用的SDOI基板。 处理剩余的施主衬底以除去一层或多层以暴露另一应变硅层。 重复各种处理步骤以产生另一个SDOI衬底以及剩余的施主衬底,并且可以重复该步骤以产生n-1个SDOI衬底。