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    • 4. 发明授权
    • Asymmetrical bidirectional protection component
    • 不对称双向保护组件
    • US08975661B2
    • 2015-03-10
    • US13210782
    • 2011-08-16
    • Benjamin Morillon
    • Benjamin Morillon
    • H01L29/66H01L29/861H01L29/06H01L29/32
    • H01L29/66098H01L29/0638H01L29/0649H01L29/32H01L29/861Y10S438/983
    • An asymmetrical bidirectional protection component formed in a semiconductor substrate of a first conductivity type, including: a first implanted area of the first conductivity type; a first epitaxial layer of the second conductivity type on the substrate and the first implanted area; a second epitaxial layer of the second conductivity type on the first epitaxial layer, the second layer having a doping level different from that of the first layer; a second area of the first conductivity type on the outer surface of the epitaxial layer, opposite to the first area; a first metallization covering the entire lower surface of the substrate; and a second metallization covering the second area.
    • 形成在第一导电类型的半导体衬底中的不对称双向保护部件,包括:第一导电类型的第一注入区域; 所述第二导电类型的第一外延层在所述衬底和所述第一注入区上; 所述第二导电类型的第二外延层在所述第一外延层上,所述第二层具有不同于所述第一层的掺杂水平; 所述第一导电类型的第二区域在所述外延层的外表面上与所述第一区域相对; 第一金属化覆盖基板的整个下表面; 以及覆盖所述第二区域的第二金属化。
    • 7. 发明申请
    • ASYMMETRICAL BIDIRECTIONAL PROTECTION COMPONENT
    • 不对称双向保护组件
    • US20120061803A1
    • 2012-03-15
    • US13210782
    • 2011-08-16
    • Benjamin Morillon
    • Benjamin Morillon
    • H01L29/866H01L21/329
    • H01L29/66098H01L29/0638H01L29/0649H01L29/32H01L29/861Y10S438/983
    • An asymmetrical bidirectional protection component formed in a semiconductor substrate of a first conductivity type, including: a first implanted area of the first conductivity type; a first epitaxial layer of the second conductivity type on the substrate and the first implanted area; a second epitaxial layer of the second conductivity type on the first epitaxial layer, the second layer having a doping level different from that of the first layer; a second area of the first conductivity type on the outer surface of the epitaxial layer, opposite to the first to area; a first metallization covering the entire lower surface of the substrate; and a second metallization covering the second area.
    • 形成在第一导电类型的半导体衬底中的不对称双向保护部件,包括:第一导电类型的第一注入区域; 所述第二导电类型的第一外延层在所述衬底和所述第一注入区上; 所述第二导电类型的第二外延层在所述第一外延层上,所述第二层具有不同于所述第一层的掺杂水平; 所述第一导电类型的第二区域在所述外延层的外表面上与所述第一区域相对; 第一金属化覆盖基板的整个下表面; 以及覆盖所述第二区域的第二金属化。