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    • 41. 发明申请
    • Image sensor device suitable for use with logic-embedded CIS chips and methods for making the same
    • 适用于逻辑嵌入式CIS芯片的图像传感器装置及其制造方法
    • US20080087921A1
    • 2008-04-17
    • US11542064
    • 2006-10-03
    • Chung-Yi YuChia-Shiung TsaiShih-Chi Fu
    • Chung-Yi YuChia-Shiung TsaiShih-Chi Fu
    • H01L29/76H01L29/745
    • H01L27/14627H01L27/14621H01L27/14632H01L27/14636H01L27/14685H01L27/14687
    • An image sensor device is provided. A substrate has a photosensor region formed therein and/or thereon. An interconnection structure is formed over the substrate, and includes metal lines formed in inter-metal dielectric (IMD) layers. At least one IMD-level micro-lens is/are formed in at least one of the IMD layers over the photosensor region. Preferably, barrier layers are located between the IMD layers. Preferably, each of the barrier layers at each level has a net thickness limited to 100 angstroms or less at locations over the photosensor region, except at locations where the IMD-level micro-lenses are located. The IMD-level micro-lenses and the etch stop layers preferably have a refractive index greater than that of the IMD layers. A cap layer is preferably formed on the metal lines, especially when the metal lines include copper. An upper-level micro-lens may be located on a level that is above the interconnection structure.
    • 提供图像传感器装置。 衬底在其中和/或其上形成有光电传感器区域。 在衬底上形成互连结构,并且包括在金属间电介质(IMD)层中形成的金属线。 在光电传感器区域中的至少一个IMD层中形成至少一个IMD级微透镜。 优选地,阻挡层位于IMD层之间。 优选地,除了在IMD级微透镜所在的位置之外,每个级别的每个阻挡层的净厚度在光电传感器区域之外的位置处具有限制在100埃或更小的净厚度。 IMD级微透镜和蚀刻停止层优选具有大于IMD层的折射率的折射率。 优选在金属线上形成覆盖层,特别是当金属线包括铜时。 上级微透镜可以位于互连结构之上的层上。
    • 43. 发明授权
    • Method of forming MIM capacitor electrodes
    • 形成MIM电容器电极的方法
    • US07199001B2
    • 2007-04-03
    • US10811657
    • 2004-03-29
    • Chih-Ta WuKuo-Yin LinTsung-Hsun HuangChung-Yi YuLan-Lin ChaoYeur-Luen TuHsing-Lien LinChia-Shiung Tsai
    • Chih-Ta WuKuo-Yin LinTsung-Hsun HuangChung-Yi YuLan-Lin ChaoYeur-Luen TuHsing-Lien LinChia-Shiung Tsai
    • H01L21/8242
    • H01L28/60H01L23/5223H01L2924/0002H01L2924/00
    • A novel method for forming electrodes in the fabrication of an MIM (metal-insulator-metal) capacitor, is disclosed. The method improves MIM capacitor performance by preventing plasma-induced damage to a dielectric layer during deposition of a top electrode on the dielectric layer, as well as by reducing or preventing the formation of an interfacial layer between the dielectric layer and the electrode or electrodes, in fabrication of the MIM capacitor. The method typically includes the patterning of crown-type capacitor openings in a substrate; depositing a bottom electrode in each of the crown openings; subjecting the bottom electrode to a rapid thermal processing (RTP) or furnace anneal step; depositing a dielectric layer on the annealed bottom electrode; depositing a top electrode on the dielectric layer using a plasma-free CVD (chemical vapor deposition) or ALD (atomic layer deposition) process; and patterning the top electrode of each MIM capacitor.
    • 公开了一种用于在MIM(金属 - 绝缘体 - 金属)电容器的制造中形成电极的新颖方法。 该方法通过在电介质层上的顶部电极沉积期间防止等离子体对电介质层的损伤,以及通过减少或防止介电层和电极或电极之间的界面层的形成来改善MIM电容器性能, 在MIM电容器的制造中。 该方法通常包括在衬底中图案化冠状电容器开口; 在每个冠状开口中沉积底部电极; 对底部电极进行快速热处理(RTP)或炉退火步骤; 在退火的底部电极上沉​​积介电层; 使用无等离子体CVD(化学气相沉积)或ALD(原子层沉积)工艺在电介质层上沉积顶部电极; 并对每个MIM电容器的顶部电极进行构图。