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    • 1. 发明申请
    • A SEMICONDUCTOR DEVICE COMPRISING NMOS AND PMOS TRANSISTORS WITH EMBEDDED SI/GE MATERIAL FOR CREATING TENSILE AND COMPRESSIVE STRAIN
    • 包含用于创建拉伸和压缩应变的嵌入式SI / GE材料的NMOS和PMOS晶体管的半导体器件
    • WO2008054678A1
    • 2008-05-08
    • PCT/US2007/022680
    • 2007-10-26
    • ADVANCED MICRO DEVICES INC.BEYER, SvenHORSTMANN, ManfredPRESS, PatrickBUCHHOLTZ, Wolfgang
    • BEYER, SvenHORSTMANN, ManfredPRESS, PatrickBUCHHOLTZ, Wolfgang
    • H01L21/8238
    • H01L21/823807H01L21/823814H01L29/7848
    • By forming a substantially continuous and uniform semiconductor alloy (107, 207, 307, 407) in one active region (105 A, 205 A, 305 A, 405 A) while patterning the semiconductor alloy (107, 207, 307, 407) in a second active region (105B, 205B, 3O5B, 405B) so as to provide a base semiconductor material (113B, 213B, 313B, 401) in a central portion thereof, different types of strain may be induced, while, after providing a corresponding cover layer of the base semiconductor material (113A, 213A, 313A, 413A), well-established process techniques for forming the gate dielectric (122, 322, 422) may be used. In some illustrative embodiments, a substantially self-aligned process is provided in which the gate electrode (121, 221, 321, 421) may be formed on the basis of the layer (208, 308), which has also been used for defining the central portion (213B, 313B) of the base semiconductor material of one of the active regions (205B, 305B). Hence, by using a single semiconductor alloy (107, 207, 307, 407), the performance of transistors (120A, 120B) of different conductivity types may be individually enhanced.
    • 通过在将半导体合金(107,207,307,407)图案化的同时在一个有源区(105A,205A,305A,405A)中形成基本上连续且均匀的半导体合金(107,207,307,407) 第二有源区域(105B,205B,30B,405B),以便在其中心部分提供基极半导体材料(113B,213B,313B,401),可以诱发不同类型的应变,而在提供相应的 基底半导体材料(113A,213A,313A,413A)的覆盖层可以使用用于形成栅极电介质(122,322,422)的完善的工艺技术。 在一些说明性实施例中,提供基本上自对准的工艺,其中可以基于层(208,308)形成栅电极(121,221,321,421),其也已经用于限定 一个有源区域(205B,305B)的基底半导体材料的中心部分(213B,313B)。 因此,通过使用单个半导体合金(107,207,307,407),可以单独提高不同导电类型的晶体管(120A,120B)的性能。
    • 9. 发明申请
    • METHOD OF FORMING A SEMICONDUCTOR STRUCTURE
    • 形成半导体结构的方法
    • WO2008121327A1
    • 2008-10-09
    • PCT/US2008/004066
    • 2008-03-28
    • ADVANCED MICRO DEVICES, INC.WIRBELEIT, FrankSTEPHAN, RolfHORSTMANN, Manfred
    • WIRBELEIT, FrankSTEPHAN, RolfHORSTMANN, Manfred
    • H01L21/28H01L21/336
    • H01L21/28123H01L29/66545H01L29/6659
    • A method of forming a semiconductor structure (300) comprises providing a semiconductor substrate (201). A feature (306) is formed over the substrate (201). The feature (306) is substantially homogeneous in a lateral direction. A first ion implantation process adapted to introduce first dopant ions into at least one portion (212, 213) of the substrate (201) adjacent the feature (306) is performed. The length (330) of the feature (306) in the lateral direction is reduced. After the reduction of the length (330) of the feature (306), a second ion implantation process adapted to introduce second dopant ions into at least one portion (209, 210) of the substrate (201) adjacent the feature (306) is performed. The feature (306) may be a gate electrode of a field effect transistor to be formed over the semiconductor substrate (201).
    • 形成半导体结构(300)的方法包括提供半导体衬底(201)。 在衬底(201)上形成特征(306)。 特征(306)在横向上基本上是均匀的。 执行适于将第一掺杂剂离子引入邻近特征(306)的衬底(201)的至少一个部分(212,213)中的第一离子注入工艺。 特征(306)在横向上的长度(330)减小。 在特征(306)的长度(330)减小之后,适于将第二掺杂离子引入邻近特征(306)的衬底(201)的至少一部分(209,210)中的第二离子注入工艺是 执行。 特征(306)可以是形成在半导体衬底(201)上的场效应晶体管的栅电极。