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    • 1. 发明申请
    • METHOD FOR PROTECTING HIGH-TOPOGRAPHY REGIONS DURING PATTERNING OF LOW-TOPOGRAPHY REGIONS
    • 保护低地层地区高原地区的方法
    • US20080085609A1
    • 2008-04-10
    • US11461033
    • 2006-07-31
    • James E. VasekNicole R. EllisChong-Cheng Fu
    • James E. VasekNicole R. EllisChong-Cheng Fu
    • H01L21/31
    • H01L21/32139H01L27/105H01L27/11526H01L27/11539
    • A method for protecting at least one high-topography region on a substrate having both the at least one high-topography region and the at least one low-topography region is provided. The method comprises patterning a thick photo-resist layer having a first thickness, such that the thick photo-resist layer is formed on at least a portion of only the at least one high-topography region, wherein the high-topography region comprises a plurality of semiconductor devices of a first type. The method further comprises patterning a thin photo-resist layer having a second thickness, wherein the first thickness is greater than the second thickness, such that the patterned thin photo-resist layer is formed on at least a portion of only the at least one low-topography region. The method further comprises forming a plurality of semiconductor devices of a second type in the at least the portion of the low-topography region. The method further comprises removing both the thick photo-resist layer and the thin photo-resist layer.
    • 提供了一种用于保护具有至少一个高地形区域和至少一个低地形区域的基底上的至少一个高地形区域的方法。 该方法包括图案化具有第一厚度的厚的光致抗蚀剂层,使得厚的光致抗蚀剂层形成在仅至少一个高地形区域的至少一部分上,其中高地形区域包括多个 的第一类半导体器件。 该方法还包括对具有第二厚度的薄的光致抗蚀剂层进行图案化,其中第一厚度大于第二厚度,使得图案化的光致抗蚀剂层形成在至少一个低至少一个的至少一部分上 地形区域。 该方法还包括在低地形区域的至少一部分中形成第二类型的多个半导体器件。 该方法还包括去除厚的光致抗蚀剂层和薄的光致抗蚀剂层。
    • 8. 发明申请
    • Dual silicide semiconductor fabrication process
    • 双硅化物半导体制造工艺
    • US20070048985A1
    • 2007-03-01
    • US11213470
    • 2005-08-26
    • Dharmesh JawaraniChong-Cheng FuMark Hall
    • Dharmesh JawaraniChong-Cheng FuMark Hall
    • H01L21/28
    • H01L29/66507
    • A semiconductor fabrication process includes forming a gate stack overlying semiconductor substrate. Source/drain regions are formed in the substrate laterally aligned to the gate stack. A hard mask is formed overlying a gate electrode of the gate stack. A first silicide is then formed selectively over the source/drain regions. After removing the hard mask, a second silicide is selectively formed on the gate electrode. The first silicide and the second silicide are different. Forming the gate stack may include forming a gate dielectric on the semiconductor substrate and a polysilicon gate electrode on the gate dielectric. The gate electrode may have a line width of less than 40 nm. Forming the second silicide may include forming nickel silicide in upper portions of the gate electrode.
    • 半导体制造工艺包括形成覆盖半导体衬底的栅叠层。 源极/漏极区域形成在与栅极叠层横向对准的衬底中。 形成覆盖栅极堆叠的栅电极的硬掩模。 然后在源极/漏极区域上选择性地形成第一硅化物。 在去除硬掩模之后,在栅电极上选择性地形成第二硅化物。 第一硅化物和第二硅化物不同。 形成栅极堆叠可以包括在半导体衬底上形成栅极电介质和在栅极电介质上形成多晶硅栅电极。 栅电极的线宽可以小于40nm。 形成第二硅化物可以包括在栅电极的上部形成硅化镍。