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    • 1. 发明申请
    • Methods of Forming Semiconductor Devices
    • 形成半导体器件的方法
    • US20080113515A1
    • 2008-05-15
    • US11874267
    • 2007-10-18
    • Hyun-Chul KimSung-Il ChoEun-Young KangYong-Hyun KwonJae-Seung Hwang
    • Hyun-Chul KimSung-Il ChoEun-Young KangYong-Hyun KwonJae-Seung Hwang
    • H01L21/302
    • H01L21/3086H01L21/3088H01L21/823437H01L27/105H01L29/66621
    • A method of forming a semiconductor device is provided. The method includes preparing a semiconductor substrate to include a cell region and a peripheral region and forming a first mask layer on the semiconductor substrate. First hard mask patterns that are configured to expose the first mask layer are formed on the first mask layer in the cell region. A second mask layer that is configured to conformably cover the first hard mask patterns is formed. A second hard mask pattern is formed between the first hard mask patterns, wherein the second hard mask pattern is configured to contact a lateral surface of the second mask layer. The second mask layer interposed between the first hard mask patterns and the second hard mask pattern is removed. A plurality of trenches are etched in the semiconductor substrate of the cell region using the first hard mask patterns and the second hard mask pattern as a mask.
    • 提供一种形成半导体器件的方法。 该方法包括制备半导体衬底以包括单元区域和外围区域,并在半导体衬底上形成第一掩模层。 配置为暴露第一掩模层的第一硬掩模图案形成在单元区域中的第一掩模层上。 形成被构造为顺应地覆盖第一硬掩模图案的第二掩模层。 在第一硬掩模图案之间形成第二硬掩模图案,其中第二硬掩模图案被配置为接触第二掩模层的侧表面。 插入在第一硬掩模图案和第二硬掩模图案之间的第二掩模层被去除。 使用第一硬掩模图案和第二硬掩模图案作为掩模,在单元区域的半导体衬底中蚀刻多个沟槽。
    • 6. 发明授权
    • Method of fabricating semiconductor device having capacitor
    • 制造具有电容器的半导体器件的方法
    • US07291531B2
    • 2007-11-06
    • US11048995
    • 2005-02-02
    • Sung-Il ChoSeung-Young SonChang-Jin KangKyeong-Koo ChiJi-Chul Shin
    • Sung-Il ChoSeung-Young SonChang-Jin KangKyeong-Koo ChiJi-Chul Shin
    • H01L21/8242
    • H01L28/91H01L21/3142H01L21/31616H01L21/31645H01L21/32136H01L27/10855
    • Methods are provided for fabricating semiconductor devices having capacitors, which prevent lower electrodes of the capacitors from breaking or collapsing and which provide increased capacitance of the capacitors. For instance, a method includes forming a first insulating layer on a semiconductor substrate, forming a first hole in the first insulating layer, forming a contact plug in the first hole, forming a second insulating layer having a landing pad, wherein the landing pad contacts an upper surface of the contact plug, forming an etch stop layer on the landing pad and the second insulating layer, forming a third insulating layer on the etch stop layer; forming a third hole through the third insulating layer and etch stop layer to expose the landing pad, selectively etching the exposed landing pad, forming a lower electrode on the selectively etched landing pad, and then forming a capacitor by forming a dielectric layer and an upper electrode on the lower electrode.
    • 提供了用于制造具有电容器的半导体器件的方法,其阻止电容器的下部电极断开或塌缩并且提供电容器的增加的电容。 例如,一种方法包括在半导体衬底上形成第一绝缘层,在第一绝缘层中形成第一孔,在第一孔中形成接触塞,形成具有着陆垫的第二绝缘层,其中, 接触插塞的上表面,在着陆焊盘和第二绝缘层上形成蚀刻停止层,在蚀刻停止层上形成第三绝缘层; 通过第三绝缘层和蚀刻停止层形成第三孔以暴露着陆焊盘,选择性地蚀刻暴露的着陆焊盘,在选择性蚀刻的焊盘上形成下电极,然后通过形成电介质层和上层 电极在下电极上。
    • 8. 发明申请
    • METHOD OF FABRICATING SEMICONDUCTOR DEVICE HAVING CAPACITOR
    • 制造具有电容器的半导体器件的方法
    • US20080087931A1
    • 2008-04-17
    • US11869400
    • 2007-10-09
    • Sung-Il ChoSeung-Young SonChang-Jin KangKyeong-Koo ChiJi-Chul Shin
    • Sung-Il ChoSeung-Young SonChang-Jin KangKyeong-Koo ChiJi-Chul Shin
    • H01L27/108H01L21/3205H01L21/8242
    • H01L28/91H01L21/3142H01L21/31616H01L21/31645H01L21/32136H01L27/10855
    • Methods are provided for fabricating semiconductor devices having capacitors, which prevent lower electrodes of the capacitors from breaking or collapsing and which provide increased capacitance of the capacitors. For instance, a method includes forming a first insulating layer on a semiconductor substrate, forming a first hole in the first insulating layer, forming a contact plug in the first hole, forming a second insulating layer having a landing pad, wherein the landing pad contacts an upper surface of the contact plug, forming an etch stop layer on the landing pad and the second insulating layer, forming a third insulating layer on the etch stop layer, forming a third hole through the third insulating layer and etch stop layer to expose the landing pad, selectively etching the exposed landing pad, forming a lower electrode on the selectively etched landing pad, and then forming a capacitor by forming a dielectric layer and an upper electrode on the lower electrode.
    • 提供了用于制造具有电容器的半导体器件的方法,其阻止电容器的下部电极断开或塌缩并且提供电容器的增加的电容。 例如,一种方法包括在半导体衬底上形成第一绝缘层,在第一绝缘层中形成第一孔,在第一孔中形成接触塞,形成具有着陆垫的第二绝缘层,其中, 所述接触插塞的上表面在所述着陆焊盘和所述第二绝缘层上形成蚀刻停止层,在所述蚀刻停止层上形成第三绝缘层,形成通过所述第三绝缘层的第三孔和蚀刻停止层, 选择性地蚀刻暴露的着陆焊盘,在选择性蚀刻的着陆焊盘上形成下电极,然后通过在下电极上形成电介质层和上电极来形成电容器。