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    • 7. 发明授权
    • Method of forming dual damascene structure
    • 形成双镶嵌结构的方法
    • US06680248B2
    • 2004-01-20
    • US09991131
    • 2001-11-20
    • Yimin HuangTri-Rung Yew
    • Yimin HuangTri-Rung Yew
    • H01L214763
    • H01L21/76829H01L21/76807
    • A method of forming a dual damascene structure comprises the steps of providing a substrate having a first conductive layer formed thereon, and then sequentially forming a first dielectric layer, an anti-reflection layer and a second dielectric layer over the substrate. Next, the first dielectric layer, the anti-reflection layer and the second dielectric layer are patterned to form a first opening that exposes the conductive layer. Thereafter, the second dielectric layer is patterned to form a trench (or second opening) in a position above the first conductive layer. The trench and the first opening together form an opening of the dual damascene structure. Finally, a second conductive material is deposited into the opening and the trench to form conductive lines and the dual damascene structures.
    • 形成双镶嵌结构的方法包括以下步骤:提供其上形成有第一导电层的衬底,然后在衬底上顺序形成第一电介质层,抗反射层和第二电介质层。 接下来,对第一电介质层,抗反射层和第二电介质层进行图案化以形成暴露导电层的第一开口。 此后,第二介电层被图案化以在第一导电层上方的位置形成沟槽(或第二开口)。 沟槽和第一开口一起形成双镶嵌结构的开口。 最后,将第二导电材料沉积到开口和沟槽中以形成导电线和双镶嵌结构。
    • 8. 发明授权
    • Method of fabricating DRAM capacitor
    • 制造DRAM电容的方法
    • US06479344B2
    • 2002-11-12
    • US09542715
    • 2000-04-04
    • Kuo-Tai HuangWen-Yi HsiehTri-Rung Yew
    • Kuo-Tai HuangWen-Yi HsiehTri-Rung Yew
    • H01L218242
    • H01L28/75H01L21/28568H01L21/3211H01L27/10852H01L28/55
    • A method of fabricating a DRAM capacitor uses tungsten nitride in the process of forming a capacitor. The structure of the capacitor is simple and the process is easily executed. Furthermore, the invention provides a method of forming tungsten nitride, comprising a step of implanting nitrogen into a tungsten silicide layer and a step of executing a rapid thermal process under ammonia gas to form a tungsten nitride layer on the surface of the tungsten silicide layer. The method of fabricating a DRAM capacitor comprises forming the tungsten silicide layer after forming a part smaller than a bottom electrode of the capacitor from doped polysilicon and forming tungsten nitride on the surface of the tungsten nitride layer.
    • 制造DRAM电容器的方法在形成电容器的过程中使用氮化钨。 电容器的结构简单,易于执行。 此外,本发明提供了一种形成氮化钨的方法,包括将氮气注入到硅化钨层中的步骤以及在氨气下执行快速热处理以在硅化钨层的表面上形成氮化钨层的步骤。 制造DRAM电容器的方法包括在从掺杂多晶硅形成小于电容器的底部电极的部分之后形成硅化钨层,并在氮化钨层的表面上形成氮化钨。
    • 10. 发明授权
    • Method for fabricating gate oxide layer
    • 栅极氧化层的制造方法
    • US06221712B1
    • 2001-04-24
    • US09385805
    • 1999-08-30
    • Kuo-Tai HuangMichael W C HuangTri-Rung Yew
    • Kuo-Tai HuangMichael W C HuangTri-Rung Yew
    • B32B1900
    • H01L21/28194C23C16/405H01L21/28088H01L21/31604H01L29/4966H01L29/517
    • A method for fabricating a gate structure. The method involves providing a substrate, followed by forming a nitride region on a surface of the substrate. With a Tantalum (Ta)-based organic compound and a Titanium (Ti)-based organic compound serving as precursors, an organic metal chemical vapor deposition (OMCVD) is performed, so that a Ta2−xTixO5 dielectric layer is formed on the substrate. A barrier layer, a conducting layer, and an anti-reflection (AR) layer are then formed in sequence on the Ta2−xTixO5 dielectric layer. Subsequently, the AR layer, the conducting layer, the barrier layer, and the Ta2−xTixO5 dielectric layer are defined to form a gate structure on the substrate of the nitride region. The Ta-based organic compound in this case may include a Ta-alkoxide compound, whereas the Ti-based organic compound may include a Ti-alkoxide compound or a Ti-amide compound.
    • 一种用于制造栅极结构的方法。 该方法包括提供衬底,随后在衬底的表面上形成氮化物区域。 使用钽(Ta)基有机化合物和作为前体的钛(Ti)基有机化合物,进行有机金属化学气相沉积(OMCVD),从而在衬底上形成Ta2-xTixO5电介质层。 然后依次在Ta2-xTixO5电介质层上形成阻挡层,导电层和抗反射(AR)层。 随后,将AR层,导电层,阻挡层和Ta2-xTixO5电介质层定义为在氮化物区域的衬底上形成栅极结构。 在这种情况下,Ta类有机化合物可以包括Ta-醇盐化合物,而Ti基有机化合物可以包括Ti-醇盐化合物或Ti-酰胺化合物。