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发明授权
US07618870B2 Non-uniformly doped high voltage drain-extended transistor and method of manufacture thereof 有权
非均匀掺杂高压漏极延迟晶体管及其制造方法

Non-uniformly doped high voltage drain-extended transistor and method of manufacture thereof
摘要：
The present invention provides, in one embodiment, a transistor (100). The transistor (100) comprises a doped semiconductor substrate (105) and a gate structure (110) over the semiconductor substrate (105), the gate structure (110) having a gate corner (125). The transistor (100) also includes a drain-extended well (115) surrounded by the doped semiconductor substrate (105). The drain-extended well (115) has an opposite dopant type as the doped semiconductor substrate (105). The drain-extended well (115) also has a low-doped region (145) between high-doped regions (150), wherein an edge of the low-doped region (155) is substantially coincident with a perimeter (140) defined by the gate corner (125). Other embodiments of the present invention include a method of manufacturing a transistor (200) and an integrated circuit (300).
摘要（中）：

本发明在一个实施例中提供一种晶体管（100）。 晶体管（100）包括半导体衬底（105）上方的掺杂半导体衬底（105）和栅极结构（110），栅极结构（110）具有栅极拐角（125）。 晶体管（100）还包括由掺杂半导体衬底（105）围绕的漏极扩展阱（115）。 漏极扩展阱（115）具有与掺杂半导体衬底（105）相反的掺杂剂类型。 漏极扩展阱（115）还在高掺杂区域（150）之间具有低掺杂区域（145），其中低掺杂区域（155）的边缘基本上与由 门角（125）。 本发明的其他实施例包括制造晶体管（200）和集成电路（300）的方法。

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