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    • 6. 发明申请
    • SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
    • 半导体器件及其制造方法
    • US20080211031A1
    • 2008-09-04
    • US12040426
    • 2008-02-29
    • Takashi SAKUMA
    • Takashi SAKUMA
    • H01L21/314H01L21/8236
    • H01L21/823412H01L21/3145
    • A device isolation film is formed in a semiconductor substrate at a border portion between a first region and a second region for defining a first active region in the first region and a second active region in the second region. A gate insulating film and a gate electrode is formed over the semiconductor substrate in the first region. A first photoresist film covering the second region and having an opening exposing the first active region and having an edge on the border portion of the opening positioned nearer the second active region than a middle of the device isolation film is formed over the semiconductor substrate with the gate electrode. Impurity ions are implanted from a direction tilted from a normal direction of the semiconductor substrate with the first photoresist film and the gate electrode as a mask to form pocket regions in the semiconductor substrate on both sides of the gate electrodes.
    • 器件隔离膜形成在第一区域和第二区域之间的边界部分的半导体衬底中,用于限定第一区域中的第一有源区和第二区域中的第二有源区。 在第一区域中的半导体衬底上形成栅极绝缘膜和栅电极。 第一光致抗蚀剂膜覆盖第二区域并且具有暴露第一有源区并且在位于第二有源区的位于第二有源区的边界的边界部分上的边缘的开口形成在半导体衬底的上方, 栅电极。 从第一光致抗蚀剂膜和栅极电极作为掩模从从半导体衬底的法线方向倾斜的方向注入杂质离子,以在栅极两侧的半导体衬底中形成袋区。