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    • 44. 发明申请
    • Methods of Fabricating Field Effect Transistors Having Protruded Active Regions
    • 制造具有突出活动区域的场效应晶体管的方法
    • US20110095345A1
    • 2011-04-28
    • US12977811
    • 2010-12-23
    • Ji-Young LeeJun Seo
    • Ji-Young LeeJun Seo
    • H01L29/78
    • H01L29/1037H01L21/76229H01L27/105H01L29/66621H01L29/7834
    • Provided are a field effect transistor, a method of manufacturing the same, and an electronic device including the field effect transistor. The field effect transistor may have a structure in which a double gate field effect transistor and a recess channel array transistor are formed in a single transistor in order to improve a short channel effect which occurs as field effect transistors become more highly integrated, a method of manufacturing the same, and an electronic device including the field effect transistor. The field effect transistor can exhibit stable device characteristics even when more highly integrated in such a manner that both the length and width of a channel increase and particularly the channel can be significantly long, and can be manufactured simply.
    • 提供了场效应晶体管,其制造方法以及包括场效应晶体管的电子器件。 场效应晶体管可以具有在单个晶体管中形成双栅极场效应晶体管和凹槽沟道阵列晶体管的结构,以便改善随着场效应晶体管变得更高度集成而发生的短沟道效应, 制造它们,以及包括场效应晶体管的电子器件。 即使当以通道的长度和宽度都增加并且特别是通道可以显着长的方式更高度集成时,场效应晶体管也可以表现出稳定的器件特性,并且可以简单地制造。
    • 50. 发明授权
    • Asymmetric source/drain transistor employing selective epitaxial growth (SEG) layer and method of fabricating same
    • 采用选择性外延生长(SEG)层的不对称源极/漏极晶体管及其制造方法
    • US07524733B2
    • 2009-04-28
    • US11735919
    • 2007-04-16
    • Hyeoung-Won SeoNak-Jin SonDu-Heon SongJun Seo
    • Hyeoung-Won SeoNak-Jin SonDu-Heon SongJun Seo
    • H01L21/76
    • H01L29/66636H01L29/78Y10S438/942
    • According to some embodiments of the invention, a method includes preparing a semiconductor substrate having an active region, doping channel ions in the active region, forming a planarized selective epitaxial growth (SEG) layer in a predetermined region of the active region doped with the channel ions, sequentially forming a gate insulating layer, a gate conductive layer and a gate hard mask layer on the semiconductor substrate having the planarized SEG layer, forming a gate pattern crossing the active region by sequentially patterning the gate hard mask layer and the gate conductive layer, the planarized SEG layer being located at one side of the gate pattern, and forming source/drain regions by implanting impurity ions using the gate pattern as an ion implantation mask. Accordingly, there is provided an asymmetric source/drain transistor capable of preventing a leakage current by diffusing the channel ions into the SEG layer.
    • 根据本发明的一些实施例,一种方法包括制备具有有源区的半导体衬底,在有源区中掺杂沟道离子,在掺杂有沟道的有源区的预定区域中形成平面化选择性外延生长(SEG)层 离子,在具有平坦化SEG层的半导体衬底上依次形成栅极绝缘层,栅极导电层和栅极硬掩模层,通过顺序构图栅极硬掩模层和栅极导电层形成与有源区交叉的栅极图案 ,平面化SEG层位于栅极图案的一侧,并且通过使用栅极图案作为离子注入掩模注入杂质离子来形成源极/漏极区域。 因此,提供了一种不对称源/漏晶体管,其能够通过将沟道离子扩散到SEG层中来防止漏电流。