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    • 1. 发明申请
    • METHOD OF FABRICATING SEMICONDUCTOR DEVICE
    • 制造半导体器件的方法
    • US20110256700A1
    • 2011-10-20
    • US13087522
    • 2011-04-15
    • Chong-Kwang ChangSung-Hon ChiYoung-Mook OhJu-Beom Yi
    • Chong-Kwang ChangSung-Hon ChiYoung-Mook OhJu-Beom Yi
    • H01L21/28
    • H01L21/823842H01L21/82345H01L29/495H01L29/4966H01L29/517H01L29/66545H01L29/78
    • A method of fabricating a semiconductor device capable of simplifying a fabrication process is provided. The method includes providing a substrate on which first and second regions are defined, forming an interlayer insulating film including first and second trenches on the substrate, the first and second trenches being formed in the first and second regions, respectively, forming a work function adjusting metal film on an upper surface of the interlayer insulating film, side and bottom surfaces of the first trench, and side and bottom surfaces of the second trench, forming a mask film on the interlayer insulating film to fill in the first and second trenches, the mask film including a developable material, forming a mask pattern by developing the mask film, the mask pattern exposing the work function adjusting metal film formed in the first region, removing the work function adjusting metal film formed in the first region by using the mask pattern, removing the mask pattern, and forming a first metal gate in the first trench and a second metal gate in the second trench.
    • 提供了一种制造能够简化制造工艺的半导体器件的方法。 该方法包括提供在其上限定了第一和第二区域的基板,在基板上形成包括第一和第二沟槽的层间绝缘膜,第一和第二沟槽分别形成在第一和第二区域中,形成功函数调整 层间绝缘膜的上表面的金属膜,第一沟槽的侧表面和底表面以及第二沟槽的侧表面和底表面,在层间绝缘膜上形成掩模膜以填充第一和第二沟槽, 包含可显影材料的掩模膜,通过显影掩模膜形成掩模图案,掩模图案暴露在第一区域中形成的功函数调整金属膜,通过使用掩模图案去除形成在第一区域中的功函数调节金属膜 去除掩模图案,以及在第一沟槽中形成第一金属栅极和在第二沟槽中形成第二金属栅极。
    • 9. 发明申请
    • Method of fabricating semiconductor integrated circuit device
    • 制造半导体集成电路器件的方法
    • US20100173497A1
    • 2010-07-08
    • US12655837
    • 2010-01-06
    • Chong-Kwang ChangHong-Jae ShinNae-In LeeSeo-Woo NamIn-Keun LeeJung-Hoon Lee
    • Chong-Kwang ChangHong-Jae ShinNae-In LeeSeo-Woo NamIn-Keun LeeJung-Hoon Lee
    • H01L21/306
    • H01L21/32139
    • A method manufacturing a semiconductor integrated circuit device includes providing a substrate; sequentially forming a layer to be etched, a first layer, and a second layer on the substrate; forming on the first and second layers a first etch mask having a plurality of first line patterns separated from each other by a first pitch and extending in a first direction; sequentially performing first etching on the second layer and the first layer using the first etch mask to form an intermediate mask pattern with second and first patterns; forming on the intermediate mask pattern a second etch mask including a plurality of second line patterns separated from each other by a second pitch and extending in a second direction other than the first direction; performing second etching using the second etch mask on a portion of the second pattern so that the remaining portion of the second pattern is left on the first pattern; performing third etching using the second etch mask under different conditions than the second etching on the first pattern and the remaining portion of second pattern of the intermediate mask pattern and forming a final mask pattern; and patterning the layer to be etched using the final mask pattern.
    • 制造半导体集成电路器件的方法包括:提供衬底; 在基板上依次形成被蚀刻层,第一层和第二层; 在所述第一层和第二层上形成第一蚀刻掩模,所述第一蚀刻掩模具有以第一间距彼此分开并沿第一方向延伸的多个第一线图案; 使用第一蚀刻掩模在第二层和第一层上顺序地执行第一蚀刻以形成具有第二和第一图案的中间掩模图案; 在所述中间掩模图案上形成第二蚀刻掩模,所述第二蚀刻掩模包括以第二间距彼此分开并沿除了所述第一方向之外的第二方向延伸的多个第二线图案; 在第二图案的一部分上使用第二蚀刻掩模进行第二蚀刻,使得第二图案的剩余部分留在第一图案上; 在与第一图案上的第二蚀刻和中间掩模图案的第二图案的剩余部分不同的条件下,使用第二蚀刻掩模进行第三蚀刻,并形成最终的掩模图案; 并使用最终的掩模图案来图案化待蚀刻的层。