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    • 4. 发明授权
    • Method of fabricating semiconductor device
    • 制造半导体器件的方法
    • US08183152B2
    • 2012-05-22
    • US12904363
    • 2010-10-14
    • Jae-Hwang SimYoon-Moon ParkKeon-Soo KimMin-Sung SongYoung-Ho Lee
    • Jae-Hwang SimYoon-Moon ParkKeon-Soo KimMin-Sung SongYoung-Ho Lee
    • H01L21/311
    • H01L21/32139H01L21/0337H01L27/11519H01L27/11521H01L27/11524H01L27/11526H01L27/11529Y10S438/947
    • A method of fabricating a semiconductor device facilitates the forming of a conductive pattern of features having different widths. A conductive layer is formed on a substrate, and a mask layer is formed on the conductive layer. First spaced apart patterns are formed on the mask layer and a second pattern including first and second parallel portion is formed beside the first patterns on the mask layer. First auxiliary masks are formed over ends of the first patterns, respectively, and a second auxiliary mask is formed over the second pattern as spanning the first and second portions of the second pattern. The mask layer is then etched to form first mask patterns below the first patterns and a second mask pattern below the second pattern. The first and second patterns and the first and second auxiliary masks are removed. The conductive layer is then etched using the first and second mask patterns as an etch mask.
    • 制造半导体器件的方法有助于形成具有不同宽度的特征的导电图案。 在基板上形成导电层,在导电层上形成掩模层。 在掩模层上形成第一间隔开的图案,并且在掩模层上的第一图案旁边形成包括第一和第二平行部分的第二图案。 第一辅助掩模分别形成在第一图案的端部上,并且第二辅助掩模形成在第二图案上,跨越第二图案的第一和第二部分。 然后蚀刻掩模层以在第一图案下方形成第一掩模图案,并在第二图案下方形成第二掩模图案。 去除第一和第二图案以及第一和第二辅助掩模。 然后使用第一和第二掩模图案作为蚀刻掩模蚀刻导电层。
    • 6. 发明授权
    • Method of forming active region structure
    • 形成有源区结构的方法
    • US08187935B2
    • 2012-05-29
    • US12795025
    • 2010-06-07
    • Young-Ho LeeKeon-Soo KimJae-Hwang SimJin-Hyun ShinKyung-Hoon Min
    • Young-Ho LeeKeon-Soo KimJae-Hwang SimJin-Hyun ShinKyung-Hoon Min
    • H01L21/8247
    • H01L21/76229H01L21/823481H01L27/1052
    • A method of forming an active region structure includes preparing a semiconductor substrate having a cell array region and a peripheral circuit region, forming upper cell mask patterns having a line shape in the cell array region, forming first and second peripheral mask patterns in the peripheral circuit region, the first and second peripheral mask patterns being stacked in sequence and covering the peripheral circuit region, and upper surfaces of the upper cell mask patterns forming a step difference with an upper surface of the second peripheral mask pattern, forming spacers on sidewalls of the upper cell mask patterns to expose lower portions of the upper cell mask patterns and the second peripheral mask pattern, and removing the lower portions of the upper cell mask patterns using the spacers and the first and second peripheral mask patterns as an etch mask.
    • 形成有源区域结构的方法包括制备具有单元阵列区域和外围电路区域的半导体衬底,在单元阵列区域中形成具有线状的上层单元掩模图案,在外围电路中形成第一和第二外围掩模图案 区域,第一外围掩模图案和第二外围掩模图案依次堆叠并覆盖外围电路区域,并且上部单元掩模图案的上表面与第二外围掩模图案的上表面形成阶梯差,在第二外围掩模图案的侧壁上形成间隔物 上部单元掩模图案以暴露上部单元掩模图案和第二外围掩模图案的下部,并且使用间隔件和第一外围掩模图案和第二外围掩模图案作为蚀刻掩模去除上部单元掩模图案的下部。