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    • 3. 发明授权
    • Passivation of semiconductor structures having strained layers
    • 具有应变层的半导体结构的钝化
    • US07736935B2
    • 2010-06-15
    • US12341806
    • 2008-12-22
    • Bruce FaurePascal Guenard
    • Bruce FaurePascal Guenard
    • H01L21/02
    • H01L21/76251H01L21/2007H01L33/44H01S5/3072
    • The present invention provides, in part, methods producing multilayer semiconductor structures having one or more at least partially relaxed strained layers, where the strained layer is at least partially relaxed by annealing. In particular, the invention forms diffusion barriers that prevent diffusion of contaminants during annealing. The invention also includes embodiments where the at least partially relaxed strained layer is patterned into islands by etching trenches and the like. The invention also provides semiconductor structures resulting from these methods, and further, provides such structures where the semiconductor materials are suitable for application to LED devices, laser devices, photovoltaic devices, and other optoelectronic devices.
    • 本发明部分地提供了生产具有一个或多个至少部分松弛的应变层的多层半导体结构的方法,其中应变层通过退火至少部分地松弛。 特别地,本发明形成了防止退火期间污染物扩散的扩散阻挡层。 本发明还包括其中通过蚀刻沟槽等将至少部分松弛的应变层图案化成岛的实施例。 本发明还提供由这些方法产生的半导体结构,并且还提供这样的结构,其中半导体材料适用于LED器件,激光器件,光伏器件和其它光电器件。
    • 4. 发明申请
    • PASSIVATION OF SEMICONDUCTOR STRUCTURES HAVING STRAINED LAYERS
    • 具有应变层的半导体结构的钝化
    • US20100035418A1
    • 2010-02-11
    • US12341806
    • 2008-12-22
    • Bruce FAUREPascal Guenard
    • Bruce FAUREPascal Guenard
    • H01L21/20
    • H01L21/76251H01L21/2007H01L33/44H01S5/3072
    • The present invention provides, in part, methods producing multilayer semiconductor structures having one or more at least partially relaxed strained layers, where the strained layer is at least partially relaxed by annealing. In particular, the invention forms diffusion barriers that prevent diffusion of contaminants during annealing. The invention also includes embodiments where the at least partially relaxed strained layer is patterned into islands by etching trenches and the like. The invention also provides semiconductor structures resulting from these methods, and further, provides such structures where the semiconductor materials are suitable for application to LED devices, laser devices, photovoltaic devices, and other optoelectronic devices.
    • 本发明部分地提供了生产具有一个或多个至少部分松弛的应变层的多层半导体结构的方法,其中应变层通过退火至少部分地松弛。 特别地,本发明形成了防止退火期间污染物扩散的扩散阻挡层。 本发明还包括其中通过蚀刻沟槽等将至少部分松弛的应变层图案化成岛的实施例。 本发明还提供由这些方法产生的半导体结构,并且还提供这样的结构,其中半导体材料适用于LED器件,激光器件,光伏器件和其它光电器件。
    • 5. 发明授权
    • Adaptation of the lattice parameter of a layer of strained material
    • 适应一层应变材料的晶格参数
    • US08785293B2
    • 2014-07-22
    • US13147749
    • 2010-02-15
    • Pascal GuenardFrederic Dupont
    • Pascal GuenardFrederic Dupont
    • H01L21/30
    • H01L21/76251
    • The invention relates to a method of adapting the lattice parameter of a seed layer of a strained material, comprising the following successive steps: a) a structure is provided that has a seed layer of strained material, of lattice parameter A1, of nominal lattice parameter An and of thermal expansion coefficient CTE3, a low-viscosity layer and an intermediate substrate of thermal expansion coefficient CTE1; b) a heat treatment is applied so as to relax the seed layer of strained material; and c) the seed layer is transferred onto a support substrate of thermal expansion coefficient CTE5, the intermediate substrate and the support substrate being chosen so that A1 CTE1 or A1>An and CTE1≧CTE3 and CTE5
    • 本发明涉及一种适应应变材料的晶种层的晶格参数的方法,包括以下连续步骤:a)提供具有晶格参数A1的应变材料种子层的标称晶格参数的结构 A和热膨胀系数CTE3,低粘度层和热膨胀系数CTE1的中间基板; b)施加热处理以松弛应变材料的种子层; c)将种子层转移到热膨胀系数CTE5的支撑基板上,选择中间基板和支撑基板,使得A1& An和CTE1& CTE3和CTE5> CTE1或A1> An和CTE1≥CTE3和CTE5