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    • 16. 发明申请
    • METHOD OF FABRICATING EFUSE, RESISTOR AND TRANSISTOR
    • 制造EFUSE,电阻和晶体管的方法
    • US20110117710A1
    • 2011-05-19
    • US12621518
    • 2009-11-19
    • Yung-Chang LinKuei-Sheng WuChang-Chien WongChing-Hsiang Tseng
    • Yung-Chang LinKuei-Sheng WuChang-Chien WongChing-Hsiang Tseng
    • H01L21/8234
    • H01L21/823807H01L21/823842H01L27/0629H01L29/7848
    • A method of fabricating an efuse, a resistor and a transistor includes the following steps: A substrate is provided. Then, a gate, a resistor and an efuse are formed on the substrate, wherein the gate, the resistor and the efuse together include a first dielectric layer, a polysilicon layer and a hard mask. Later, a source/drain doping region is formed in the substrate besides the gate. After that, the hard mask in the resistor and the efuse is removed. Subsequently, a salicide process is performed to form a silicide layer on the source/drain doping region, the resistor, and the efuse. Then, a planarized second dielectric layer is formed on the substrate and the polysilicon in the gate is exposed. Later, the polysilicon in the gate is removed to form a recess. Finally a metal layer is formed to fill up the recess.
    • 一种制造efuse,电阻器和晶体管的方法包括以下步骤:提供衬底。 然后,在衬底上形成栅极,电阻器和efuse,其中栅极,电阻器和efuse一起包括第一介电层,多晶硅层和硬掩模。 之后,在栅极之外的基板中形成源极/漏极掺杂区域。 之后,去除电阻和efuse中的硬掩模。 随后,执行自对准硅化处理以在源/漏掺杂区域,电阻器和efuse上形成硅化物层。 然后,在基板上形成平坦化的第二介质层,露出栅极中的多晶硅。 之后,去除栅极中的多晶硅以形成凹陷。 最后,形成一个金属层以填充凹槽。