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    • 4. 发明授权
    • Non-volatile semiconductor devices and methods of manufacturing non-volatile semiconductor devices
    • 非挥发性半导体器件和制造非易失性半导体器件的方法
    • US08669622B2
    • 2014-03-11
    • US13157753
    • 2011-06-10
    • Hak-Sun LeeKyoung-Sub Shin
    • Hak-Sun LeeKyoung-Sub Shin
    • H01L21/70
    • H01L27/11573
    • A non-volatile semiconductor device includes a memory cell in a first area of a substrate, a low voltage transistor in a second area of the substrate, and a high voltage transistor in a third area of the substrate. The memory cell includes a tunnel insulation layer formed on the substrate, a charge trapping layer pattern formed on the tunnel insulation layer in the first area of the substrate, a blocking layer pattern formed on the charge trapping layer pattern and a control gate formed on the blocking layer pattern. The control gate has a width substantially smaller than a width of the blocking layer pattern and the width of the control gate is substantially smaller than a width of the charge trapping layer pattern. In addition, an offset is formed between the control gate and the blocking layer pattern such that a spacer is not formed on a sidewall of the control gate.
    • 非易失性半导体器件包括在衬底的第一区域中的存储单元,在衬底的第二区域中的低电压晶体管,以及在衬底的第三区域中的高压晶体管。 存储单元包括形成在基板上的隧道绝缘层,形成在基板的第一区域中的隧道绝缘层上的电荷俘获层图案,形成在电荷俘获层图案上的阻挡层图案和形成在基板上的控制栅极 阻挡层图案。 控制栅极的宽度显着小于阻挡层图案的宽度,并且控制栅极的宽度基本上小于电荷俘获层图案的宽度。 此外,在控制栅极和阻挡层图案之间形成偏移,使得在控制栅极的侧壁上未形成间隔物。
    • 7. 发明授权
    • Methods of manufacturing a vertical type semiconductor device
    • 制造垂直型半导体器件的方法
    • US08871591B2
    • 2014-10-28
    • US13600025
    • 2012-08-30
    • Yong-Hyun KwonDae-Hyun JangSeong-Soo LeeKyoung-Sub Shin
    • Yong-Hyun KwonDae-Hyun JangSeong-Soo LeeKyoung-Sub Shin
    • H01L21/336
    • H01L21/76805H01L21/76816H01L21/76831H01L27/11556H01L27/11575H01L27/11582
    • According to example embodiments of inventive concepts, a method includes forming cell patterns and insulating interlayers between the cell patterns on the substrate. An upper insulating interlayer including initial and preliminary contact holes is formed on an uppermost cell pattern. A first reflection limiting layer pattern and a first photoresist layer pattern are formed for exposing a first preliminary contact hole while covering inlet portion of the initial and preliminary contact holes. A first etching process is performed on layers under the first preliminary contact hole to expose the cell pattern at a lower position than a bottom of the first preliminary contact hole. A partial removing process of sidewall portions of the first reflection limiting layer pattern and the first photoresist layer pattern and an etching process on exposed layers through bottom portions of the preliminary contact holes are repeated for forming contact holes having different depths.
    • 根据本发明构思的示例性实施例,一种方法包括在基板上的单元图案之间形成单元图案和绝缘夹层。 在最上面的单元图案上形成包括初始接触孔和预接触孔的上绝缘层。 形成第一反射限制层图案和第一光致抗蚀剂层图案,用于暴露第一初步接触孔,同时覆盖初始和初步接触孔的入口部分。 在第一初步接触孔下方的层上进行第一蚀刻处理,以在比第一预接触孔的底部低的位置处露出电池图案。 重复第一反射限制层图案和第一光致抗蚀剂层图案的侧壁部分的部分去除处理以及通过预接触孔的底部的暴露层上的蚀刻工艺,以形成具有不同深度的接触孔。
    • 10. 发明申请
    • GATE STRUCTURES OF SEMICONDUCTOR DEVICES
    • 半导体器件的门结构
    • US20100237401A1
    • 2010-09-23
    • US12726836
    • 2010-03-18
    • JEONG-DONG CHOEKyoung-Sub ShinKyoung-Hwan Yeo
    • JEONG-DONG CHOEKyoung-Sub ShinKyoung-Hwan Yeo
    • H01L29/792
    • H01L29/792H01L27/11568H01L29/40117H01L29/513
    • Gate structures of semiconductor devices and methods of forming gate structures of semiconductor devices are provided. A first insulating pattern may be disposed on an active region of a semiconductor substrate. A data storage pattern may be disposed on the first insulating pattern. A second insulating pattern may be disposed on the data storage pattern and may contact the data storage pattern. A first conductive pattern may conform to the second insulating pattern and to sidewalls of a mold comprising the second insulating pattern. A second conductive pattern may be disposed within a cavity defined by the first conductive pattern. Spacers may be formed on sidewalls of at least one of the first insulating pattern, the data storage pattern, the second insulating pattern, and the conductive pattern.
    • 提供了半导体器件的栅极结构和形成半导体器件的栅极结构的方法。 第一绝缘图案可以设置在半导体衬底的有源区上。 数据存储图案可以设置在第一绝缘图案上。 第二绝缘图案可以设置在数据存储图案上并且可以接触数据存储图案。 第一导电图案可以符合第二绝缘图案以及包括第二绝缘图案的模具的侧壁。 第二导电图案可以设置在由第一导电图案限定的空腔内。 间隔件可以形成在第一绝缘图案,数据存储图案,第二绝缘图案和导电图案中的至少一个的侧壁上。