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    • 2. 发明授权
    • Method for manufacturing a semiconductor device
    • 半导体器件的制造方法
    • US07118975B2
    • 2006-10-10
    • US10872360
    • 2004-06-22
    • Jae-Jong HanYoung-Wook ParkJae-Hyun Yeo
    • Jae-Jong HanYoung-Wook ParkJae-Hyun Yeo
    • H01L21/336
    • H01L29/66621H01L21/28123H01L21/76235H01L21/823481H01L27/105H01L27/1052H01L27/10876
    • Provided is a method for manufacturing semiconductor devices including channel trenches that are separated by isolation structures. According to the process, the substrate is etched to form isolation trenches after which a sidewall oxide layer, a liner nitride layer and a field oxide layer are subsequently formed on the substrate and in the isolation trenches. The substrate is then planarized to remove upper portions of the sidewall oxide layer, the liner nitride layer and the field oxide layer to expose surface portions of the substrate between adjacent isolation trench structures. Channel trenches are then formed in the exposed surface portions of the substrate leaving residual substrate regions adjacent the isolation trench structures. These residual substrate regions are then oxidized and removed to form improved second channel trenches for the formation of transistor regions.
    • 提供一种半导体器件的制造方法,其包括由隔离结构分离的沟槽。 根据该过程,蚀刻衬底以形成隔离沟槽,之后随后在衬底和隔离沟槽中形成侧壁氧化物层,衬里氮化物层和场氧化物层。 然后将衬底平坦化以除去侧壁氧化物层,衬里氮化物层和场氧化物层的上部,以暴露在相邻的隔离沟槽结构之间的衬底的表面部分。 然后在衬底的暴露的表面部分中形成通道沟槽,留下邻近隔离沟槽结构的残余衬底区域。 然后将这些残留的衬底区域氧化并除去以形成用于形成晶体管区域的改进的第二沟道沟槽。
    • 9. 发明授权
    • Methods of fabricating a semiconductor substrate for reducing wafer warpage
    • 制造半导体衬底以减少晶片翘曲的方法
    • US07498213B2
    • 2009-03-03
    • US11530218
    • 2006-09-08
    • Won-Jin KimYoung-Wook ParkJeong-Do Ryu
    • Won-Jin KimYoung-Wook ParkJeong-Do Ryu
    • H01L21/338H01L21/336
    • H01L21/0209H01L21/302H01L21/6708H01L21/76895H01L27/10844H01L27/10882H01L29/7842
    • Methods of fabricating a semiconductor device can include forming at least one layer on a first and a second side of a semiconductor substrate. Portions of the at least one layer may be removed on the first side of the semiconductor substrate to form a pattern of the at least one layer on the first side of the substrate while the at least one layer is maintained on the second side of the substrate. A capping layer can be formed on the pattern of the at least one layer on the first side of the substrate and on the at least one layer on the second side of the semiconductor substrate. The capping layer can be removed on the second side of the semiconductor substrate, thereby exposing the at least one layer on the second side of the substrate while maintaining the capping layer on the first side of the substrate. The at least one layer can be removed on the second side of the semiconductor substrate, while the capping layer and the pattern of the at least one layer is maintained on the first side of the semiconductor substrate. A portion of the capping layer can be removed on the first side of the semiconductor substrate.
    • 制造半导体器件的方法可以包括在半导体衬底的第一和第二侧上形成至少一个层。 可以在半导体衬底的第一侧上去除至少一个层的部分,以在衬底的第一侧上形成至少一层的图案,同时将至少一层保持在衬底的第二面上 。 可以在衬底的第一侧上的至少一层的图案和半导体衬底的第二侧上的至少一个层上形成覆盖层。 可以在半导体衬底的第二侧上去除覆盖层,从而在衬底的第二侧上保持覆盖层的同时暴露衬底的第二面上的至少一个层。 可以在半导体衬底的第二侧上移除至少一个层,同时覆盖层和至少一层的图案保持在半导体衬底的第一侧上。 可以在半导体衬底的第一侧上去除覆盖层的一部分。