Method of fabricating semiconductor devices having vertical cells

    公开(公告)号:US09257444B2

    公开(公告)日:2016-02-09

    申请号:US14018578

    申请日:2013-09-05

    IPC分类号: H01L21/336 H01L27/115

    摘要: According to example embodiments, a method of fabricating a semiconductor device includes: forming a preliminary stack structure including upper and lower preliminary stack structures by alternately stacking a plurality of interlayer insulating and sacrificial layers on a cell, first pad area, dummy area and second pad area of a substrate; removing an entire portion of the upper preliminary stack structure on the second pad area; forming a first mask defining openings over parts of the first and second pad areas; etching an etch depth corresponding to ones of the plurality of interlayer insulating and sacrificial layers through a remaining part of the preliminary stack structure exposed by the first mask; and repetitively performing a first staircase forming process that includes shrinking sides of the first mask and etching the etch depth through remaining parts of the plurality of interlayer insulating and sacrificial layers exposed by the shrunken first mask.

    DISPLAY APPARATUS DISPLAY SYSTEM AND CONTROL METHOD OF THE SAME
    14.
    发明申请
    DISPLAY APPARATUS DISPLAY SYSTEM AND CONTROL METHOD OF THE SAME 审中-公开
    显示装置显示系统及其控制方法

    公开(公告)号:US20090228793A1

    公开(公告)日:2009-09-10

    申请号:US12337085

    申请日:2008-12-17

    IPC分类号: G06F3/048

    CPC分类号: G04G9/0076

    摘要: A display apparatus includes a display unit, a storage unit which stores a zone name and standard time information corresponding to the zone name, a user interface (UI) generator which generates a time information image, and a controller which receives local real-time information from an external source, calculates a time corresponding to a selected zone based on the local real-time information and the standard time information, and controls the UI generator to generate the time information image containing the calculated time to be displayed on the display unit.

    摘要翻译: 显示装置包括显示单元,存储区域名称和对应于区域名称的标准时间信息的存储单元,产生时间信息图像的用户接口(UI)生成器以及接收本地实时信息的控制器 根据本地实时信息和标准时间信息,从外部源计算与所选择的区域对应的时间,并且控制UI生成器以生成包含要在显示单元上显示的计算出的时间的时间信息图像。

    COMMON VOLTAGE DRIVING CIRCUIT OF LIQUID CRYSTAL DISPLAY
    15.
    发明申请
    COMMON VOLTAGE DRIVING CIRCUIT OF LIQUID CRYSTAL DISPLAY 有权
    液晶显示器的共同电压驱动电路

    公开(公告)号:US20080316160A1

    公开(公告)日:2008-12-25

    申请号:US12142398

    申请日:2008-06-19

    IPC分类号: G09G3/36

    CPC分类号: G09G3/3655 G09G2320/02

    摘要: A common voltage driving circuit of a liquid crystal display, includes: a clock signal input unit that comprises a plurality of transistors and inputs first and second clock signals according to a gate output voltage; an output node voltage controller that comprises a plurality of transistors and condensers and changes voltages of positive and negative polarity output nodes by the first and second clock signals and first to third gate output voltages; an initialization voltage supply unit that comprises a plurality of transistors and supplies an initialization voltage of the output node voltage controller; and a common voltage output unit that comprises a plurality of transistors and a single condenser and prevents the voltages of the positive and negative polarity output nodes from being changed by using the condenser in alternately outputting higher and lower common voltages according to the voltages of the positive and negative polarity output nodes.

    摘要翻译: 一种液晶显示器的公共电压驱动电路,包括:时钟信号输入单元,包括多个晶体管,并根据栅极输出电压输入第一和第二时钟信号; 输出节点电压控制器,其包括多个晶体管和电容器,并且通过第一和第二时钟信号以及第一至第三栅极输出电压改变正极性和负极性输出节点的电压; 初始化电压提供单元,其包括多个晶体管,并提供所述输出节点电压控制器的初始化电压; 以及公共电压输出单元,其包括多个晶体管和单个电容器,并且通过使用电容器根据正的电压交替地输出较高和较低的公共电压来防止正极性和负极性输出节点的电压被改变 和负极性输出节点。

    Vertical memory devices and methods of manufacturing the same
    16.
    发明授权
    Vertical memory devices and methods of manufacturing the same 有权
    垂直存储器件及其制造方法

    公开(公告)号:US09543307B2

    公开(公告)日:2017-01-10

    申请号:US14792114

    申请日:2015-07-06

    摘要: A method of manufacturing a vertical memory device includes: providing a substrate including a cell array region and a peripheral circuit region; forming a mold structure in the cell array region; forming a mold protection film in a portion of the cell array region and the peripheral circuit region, the mold protection film contacting the mold structure; forming an opening for a common source line that passes through the mold structure and extends in a first direction perpendicular to a top surface of the substrate; forming a peripheral circuit contact hole that passes through the mold protection film and extends in the first direction in the peripheral circuit region; and simultaneously forming a first contact plug and a second contact plug, respectively, in the opening for the common source line and in the peripheral circuit contact hole.

    摘要翻译: 制造垂直存储器件的方法包括:提供包括单元阵列区域和外围电路区域的衬底; 在电池阵列区域中形成模具结构; 在电池阵列区域和外围电路区域的一部分中形成保护膜,模具保护膜与模具结构接触; 形成用于通过所述模具结构并沿垂直于所述基板的顶表面的第一方向延伸的共同源极线的开口; 形成通过所述保护膜并在所述外围电路区域沿所述第一方向延伸的外围电路接触孔; 同时在公共源极线的开口和外围电路接触孔中分别形成第一接触插塞和第二接触插塞。

    METHOD OF FABRICATING SEMICONDUCTOR DEVICES HAVING VERTICAL CELLS
    17.
    发明申请
    METHOD OF FABRICATING SEMICONDUCTOR DEVICES HAVING VERTICAL CELLS 审中-公开
    制造具有垂直细胞的半导体器件的方法

    公开(公告)号:US20150311153A1

    公开(公告)日:2015-10-29

    申请号:US14795352

    申请日:2015-07-09

    IPC分类号: H01L23/528 H01L27/115

    摘要: According to example embodiments, a method of fabricating a semiconductor device includes: forming a preliminary stack structure including upper and lower preliminary stack structures by alternately stacking a plurality of interlayer insulating and sacrificial layers on a cell, first pad area, dummy area and second pad area of a substrate; removing an entire portion of the upper preliminary stack structure on the second pad area; forming a first mask defining openings over parts of the first and second pad areas; etching an etch depth corresponding to ones of the plurality of interlayer insulating and sacrificial layers through a remaining part of the preliminary stack structure exposed by the first mask; and repetitively performing a first staircase forming process that includes shrinking sides of the first mask and etching the etch depth through remaining parts of the plurality of interlayer insulating and sacrificial layers exposed by the shrunken first mask.

    摘要翻译: 根据示例性实施例,制造半导体器件的方法包括:通过在单元,第一焊盘区域,虚拟区域和第二焊盘上交替堆叠多个层间绝缘和牺牲层来形成包括上部和下部初级堆叠结构的预备叠层结构 基材面积; 去除所述第二焊盘区域上的所述上部初级堆叠结构的整个部分; 形成在所述第一和第二焊盘区域的部分上限定开口的第一掩模; 通过由第一掩模曝光的预备叠层结构的剩余部分来蚀刻对应于多个层间绝缘层和牺牲层中的一个的蚀刻深度; 并且重复地进行第一阶梯形成处理,其包括收缩第一掩模的侧面并通过由缩小的第一掩模暴露的多个层间绝缘和牺牲层的剩余部分蚀刻蚀刻深度。

    METHOD OF FABRICATING SEMICONDUCTOR DEVICES HAVING VERTICAL CELLS
    18.
    发明申请
    METHOD OF FABRICATING SEMICONDUCTOR DEVICES HAVING VERTICAL CELLS 有权
    制造具有垂直细胞的半导体器件的方法

    公开(公告)号:US20140162420A1

    公开(公告)日:2014-06-12

    申请号:US14018578

    申请日:2013-09-05

    IPC分类号: H01L29/66

    摘要: According to example embodiments, a method of fabricating a semiconductor device includes: forming a preliminary stack structure including upper and lower preliminary stack structures by alternately stacking a plurality of interlayer insulating and sacrificial layers on a cell, first pad area, sacrificial area and second pad area of a substrate; removing an entire portion of the upper preliminary stack structure on the second pad area; forming a first mask defining openings over parts of the first and second pad areas; etching an etch depth corresponding to ones of the plurality of interlayer insulating and sacrificial layers through a remaining part of the preliminary stack structure exposed by the first mask; and repetitively performing a first staircase forming process that includes shrinking sides of the first mask and etching the etch depth through remaining parts of the plurality of interlayer insulating and sacrificial layers exposed by the shrunken first mask.

    摘要翻译: 根据示例性实施例,制造半导体器件的方法包括:通过在电池,第一焊盘区域,牺牲区域和第二焊盘上交替堆叠多个层间绝缘和牺牲层来形成包括上部和下部预备堆叠结构的预备堆叠结构 基材面积; 去除所述第二焊盘区域上的所述上部初级堆叠结构的整个部分; 形成在所述第一和第二焊盘区域的部分上限定开口的第一掩模; 通过由第一掩模曝光的预备叠层结构的剩余部分来蚀刻对应于多个层间绝缘层和牺牲层中的一个的蚀刻深度; 并且重复地进行第一阶梯形成处理,其包括收缩第一掩模的侧面并通过由缩小的第一掩模暴露的多个层间绝缘和牺牲层的剩余部分蚀刻蚀刻深度。

    Methods of manufacturing a semiconductor device and a semiconductor memory device thereby
    19.
    发明授权
    Methods of manufacturing a semiconductor device and a semiconductor memory device thereby 有权
    因此制造半导体器件和半导体存储器件的方法

    公开(公告)号:US08557661B2

    公开(公告)日:2013-10-15

    申请号:US13314627

    申请日:2011-12-08

    IPC分类号: H01L29/78 H01L21/336

    摘要: A method of manufacturing a semiconductor device comprises forming memory cells on a memory cell region, alternately forming a sacrificial layer and an insulating interlayer on a connection region for providing wirings configured to electrically connect the memory cells, forming an etching mask pattern including etching mask pattern elements on a top sacrificial layer, forming blocking sidewalls on either sidewalls of each of the etching mask pattern element, forming a first photoresist pattern selectively exposing a first blocking sidewall furthermost from the memory cell region and covering the other blocking sidewalls, etching the exposed top sacrificial layer and an insulating interlayer to expose a second sacrificial layer, forming a second photoresist pattern by laterally removing the first photoresist pattern to the extent that a second blocking sidewall is exposed, and etching the exposed top and second sacrificial layers and the insulating interlayers to form a staircase shaped side edge portion.

    摘要翻译: 一种制造半导体器件的方法包括在存储单元区域上形成存储单元,在连接区域上交替地形成牺牲层和绝缘中间层,以提供配置为电连接存储单元的布线,形成包括蚀刻掩模图案 在顶部牺牲层上的元件,在每个蚀刻掩模图案元件的每个侧壁上形成阻挡侧壁,形成第一光致抗蚀剂图案,选择性地将第一阻挡侧壁从存储器单元区域最远地覆盖并覆盖其它阻挡侧壁,蚀刻暴露顶部 牺牲层和绝缘中间层以暴露第二牺牲层,通过横向去除第一光致抗蚀剂图案至第二阻挡侧壁暴露的程度形成第二光致抗蚀剂图案,并将暴露的顶部和第二牺牲层和绝缘夹层蚀刻到 形成一个楼梯形状 d侧边缘部分。

    METHODS OF MANUFACTURING A SEMICONDUCTOR DEVICE AND A SEMICONDUCTOR MEMORY DEVICE THEREBY
    20.
    发明申请
    METHODS OF MANUFACTURING A SEMICONDUCTOR DEVICE AND A SEMICONDUCTOR MEMORY DEVICE THEREBY 有权
    制造半导体器件的方法和半导体存储器件

    公开(公告)号:US20120187471A1

    公开(公告)日:2012-07-26

    申请号:US13314627

    申请日:2011-12-08

    摘要: A method of manufacturing a semiconductor device comprises forming memory cells on a memory cell region, alternately forming a sacrificial layer and an insulating interlayer on a connection region for providing wirings configured to electrically connect the memory cells, forming an etching mask pattern including etching mask pattern elements on a top sacrificial layer, forming blocking sidewalls on either sidewalls of each of the etching mask pattern element, forming a first photoresist pattern selectively exposing a first blocking sidewall furthermost from the memory cell region and covering the other blocking sidewalls, etching the exposed top sacrificial layer and an insulating interlayer to expose a second sacrificial layer, forming a second photoresist pattern by laterally removing the first photoresist pattern to the extent that a second blocking sidewall is exposed, and etching the exposed top and second sacrificial layers and the insulating interlayers to form a staircase shaped side edge portion.

    摘要翻译: 一种制造半导体器件的方法包括在存储单元区域上形成存储单元,在连接区域上交替地形成牺牲层和绝缘中间层,以提供配置为电连接存储单元的布线,形成包括蚀刻掩模图案 在顶部牺牲层上的元件,在每个蚀刻掩模图案元件的每个侧壁上形成阻挡侧壁,形成第一光致抗蚀剂图案,选择性地将第一阻挡侧壁从存储器单元区域最远地覆盖并覆盖其它阻挡侧壁,蚀刻暴露顶部 牺牲层和绝缘中间层以暴露第二牺牲层,通过横向去除第一光致抗蚀剂图案至第二阻挡侧壁暴露的程度形成第二光致抗蚀剂图案,并将暴露的顶部和第二牺牲层和绝缘夹层蚀刻到 形成一个楼梯形状 d侧边缘部分。