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    • 3. 发明授权
    • Air gap spacer formation
    • 气隙间隔物形成
    • US07741663B2
    • 2010-06-22
    • US12258188
    • 2008-10-24
    • Fred HauseAnthony C. MowryDavid G. FarberMarkus E. Lenski
    • Fred HauseAnthony C. MowryDavid G. FarberMarkus E. Lenski
    • H01L29/772H01L21/336
    • H01L29/6659H01L29/41775H01L29/6653H01L29/6656H01L29/7833Y10S257/90
    • Miniaturized complex transistor devices are formed with reduced leakage and reduced miller capacitance. Embodiments include transistors having reduced capacitance between the gate electrode and source/drain contact, as by utilizing a low-K dielectric constant sidewall spacer material. An embodiment includes forming a gate electrode on a semiconductor substrate, forming a sidewall spacer on the side surfaces of the gate electrode, forming source/drain regions by ion implantation, forming an interlayer dielectric over the gate electrode, sidewall spacers, and substrate, and forming a source/drain contact through the interlayer dielectric. The sidewall spacers and interlayer dielectric are then removed. A dielectric material, such as a low-K dielectric material, is then deposited in the gap between the gate electrode and the source/drain contact so that an air gap is formed, thereby reducing the parasitic “miller” capacitance.
    • 小型化的复合晶体管器件形成有减少的泄漏和减小的磨机电容。 实施例包括通过利用低K介电常数侧壁间隔物材料在栅电极和源极/漏极接触之间具有减小的电容的晶体管。 一个实施例包括在半导体衬底上形成栅电极,在栅电极的侧表面上形成侧壁间隔物,通过离子注入形成源/漏区,在栅电极,侧壁间隔物和衬底上形成层间电介质,以及 通过层间电介质形成源极/漏极接触。 然后去除侧壁间隔物和层间电介质。 然后将诸如低K电介质材料的电介质材料沉积在栅电极和源极/漏极接触之间的间隙中,从而形成气隙,由此减小寄生“铣”电容。
    • 4. 发明申请
    • AIR GAP SPACER FORMATION
    • 空气隙间隙形成
    • US20100102363A1
    • 2010-04-29
    • US12258188
    • 2008-10-24
    • Fred HauseAnthony C. MowryDavid G. FarberMarkus E. Lenski
    • Fred HauseAnthony C. MowryDavid G. FarberMarkus E. Lenski
    • H01L47/00H01L21/336
    • H01L29/6659H01L29/41775H01L29/6653H01L29/6656H01L29/7833Y10S257/90
    • Miniaturized complex transistor devices are formed with reduced leakage and reduced miller capacitance. Embodiments include transistors having reduced capacitance between the gate electrode and source/drain contact, as by utilizing a low-K dielectric constant sidewall spacer material. An embodiment includes forming a gate electrode on a semiconductor substrate, forming a sidewall spacer on the side surfaces of the gate electrode, forming source/drain regions by ion implantation, forming an interlayer dielectric over the gate electrode, sidewall spacers, and substrate, and forming a source/drain contact through the interlayer dielectric. The sidewall spacers and interlayer dielectric are then removed. A dielectric material, such as a low-K dielectric material, is then deposited in the gap between the gate electrode and the source/drain contact so that an air gap is formed, thereby reducing the parasitic “miller” capacitance.
    • 小型化的复合晶体管器件形成有减少的泄漏和减小的磨机电容。 实施例包括通过利用低K介电常数侧壁间隔物材料在栅电极和源极/漏极接触之间具有减小的电容的晶体管。 一个实施例包括在半导体衬底上形成栅电极,在栅电极的侧表面上形成侧壁间隔物,通过离子注入形成源/漏区,在栅电极,侧壁间隔物和衬底上形成层间电介质,以及 通过层间电介质形成源/漏接触。 然后去除侧壁间隔物和层间电介质。 然后将诸如低K电介质材料的电介质材料沉积在栅电极和源极/漏极接触之间的间隙中,从而形成气隙,由此减小寄生“铣”电容。