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    • 54. 发明授权
    • Integrated circuit system using dual damascene process
    • 集成电路系统采用双镶嵌工艺
    • US07253097B2
    • 2007-08-07
    • US11160624
    • 2005-06-30
    • Yeow Kheng LimChim Seng SeetTae Jong LeeLiang-Choo HsiaKin Leong Pey
    • Yeow Kheng LimChim Seng SeetTae Jong LeeLiang-Choo HsiaKin Leong Pey
    • H01L21/4763
    • H01L21/76831H01L21/76814H01L21/76844H01L21/76846
    • An integrated circuit system includes providing a semiconductor substrate having a semiconductor device provided thereon. A first dielectric layer is formed over the semiconductor substrate, and a first conductor core is formed in the first dielectric layer. A stop layer is formed over the first conductor core. A second dielectric layer is formed over the stop layer. A channel and a via are formed in the second dielectric layer. The channel and the via in the second dielectric layer are wet cleaned. A barrier metal layer is deposited to line the channel and the via in the second dielectric layer. The barrier metal layer is selectively etched from the bottom of the via in the dielectric layer, and a second conductor core is formed over the barrier metal layer to fill the second channel and the via to connect the second conductor core to the first conductor core.
    • 集成电路系统包括提供其上设置有半导体器件的半导体衬底。 第一电介质层形成在半导体衬底之上,并且第一导体芯形成在第一电介质层中。 在第一导体芯上形成停止层。 在停止层上形成第二电介质层。 在第二电介质层中形成沟道和通孔。 第二介质层中的通道和通孔被湿清洗。 沉积阻挡金属层以在第二介电层中对通道和通孔进行排列。 从电介质层中的通孔的底部选择性地蚀刻阻挡金属层,并且在阻挡金属层上方形成第二导体芯以填充第二通道和通孔,以将第二导体芯连接到第一导体芯。
    • 56. 发明申请
    • INTEGRATED CIRCUIT SYSTEM USING DUAL DAMASCENE PROCESS
    • 集成电路系统使用双重DAMASCENE过程
    • US20070001303A1
    • 2007-01-04
    • US11160624
    • 2005-06-30
    • Yeow Kheng LimChim Seng SeetTae Jong LeeLiang-Choo HsiaKin Leong Pey
    • Yeow Kheng LimChim Seng SeetTae Jong LeeLiang-Choo HsiaKin Leong Pey
    • H01L23/52
    • H01L21/76831H01L21/76814H01L21/76844H01L21/76846
    • An integrated circuit system includes providing a semiconductor substrate having a semiconductor device provided thereon. A first dielectric layer is formed over the semiconductor substrate, and a first conductor core is formed in the first dielectric layer. A stop layer is formed over the first conductor core. A second dielectric layer is formed over the stop layer. A channel and a via are formed in the second dielectric layer. The channel and the via in the second dielectric layer are wet cleaned. A barrier metal layer is deposited to line the channel and the via in the second dielectric layer. The barrier metal layer is selectively etched from the bottom of the via in the dielectric layer, and a second conductor core is formed over the barrier metal layer to fill the second channel and the via to connect the second conductor core to the first conductor core.
    • 集成电路系统包括提供其上设置有半导体器件的半导体衬底。 第一电介质层形成在半导体衬底之上,并且第一导体芯形成在第一电介质层中。 在第一导体芯上形成停止层。 在停止层上形成第二电介质层。 在第二电介质层中形成沟道和通孔。 第二介质层中的通道和通孔被湿清洗。 沉积阻挡金属层以在第二介电层中对通道和通孔进行排列。 从电介质层中的通孔的底部选择性地蚀刻阻挡金属层,并且在阻挡金属层上方形成第二导体芯以填充第二通道和通孔,以将第二导体芯连接到第一导体芯。
    • 58. 发明申请
    • Method to resolve line end distortion for alternating phase shift mask
    • 解决交变相移掩模线路失真的方法
    • US20060099518A1
    • 2006-05-11
    • US10985263
    • 2004-11-10
    • Sia TanQunying LinLiang-Choo Hsia
    • Sia TanQunying LinLiang-Choo Hsia
    • G06F17/50G03F1/00
    • G03F1/30
    • A embodiment method for forming a layout for a phase shift mask. A embodiment comprises providing a layout comprising a first feature, a first shifter region and a second shifter region. The first feature preferably has a L-shape portion with an elbow region. The first shifter region is on the outside of the L-shaped portion and the second shifter region is on the inside of the L-shaped portion. The elbow region has an outside corner away from the second shifter region. We identify a phase conflict region caused by the L-shaped portion of the first feature, the first shifter region and the second shifter region. We resolve the phase conflict by modifying the elbow region by moving the outside corner of the elbow region away from the first shifter region and the phase conflict region. The modification of the elbow region further comprises forming a jog region in the line end section of the first feature.
    • 一种用于形成相移掩模布局的实施例方法。 实施例包括提供包括第一特征,第一移位区和第二移位区的布局。 第一特征优选具有肘部区域的L形部分。 第一移位区域位于L形部分的外侧,第二移位区域位于L形部分的内侧。 肘部区域具有远离第二移位区域的外角。 我们识别由第一特征的L形部分,第一移位区域和第二移位区域引起的相位冲突区域。 我们通过移动肘部区域的外角远离第一移位区域和相位冲突区域来修改肘部区域来解决相位冲突。 肘部区域的修改还包括在第一特征的线端部中形成点动区域。
    • 59. 发明申请
    • Metal barrier cap fabrication by polymer lift-off
    • 通过聚合物剥离制造金属阻挡帽
    • US20060088995A1
    • 2006-04-27
    • US11299457
    • 2005-12-12
    • Beichao ZhangWuping LiuLiang-Choo Hsia
    • Beichao ZhangWuping LiuLiang-Choo Hsia
    • H01L21/4763
    • H01L21/76843H01L21/76834H01L21/76849H01L21/76865H01L21/76883H01L23/53295H01L2924/0002H01L2924/12044H01L2924/00
    • A new method is provided for the creation of copper interconnects. A pattern of copper interconnects is created, a protective layer of semiconductor material is deposited over the surface of the created copper interconnects. The protective layer is patterned and etched, exposing the surface of the pattern of copper interconnects. The exposed copper surface is Ar sputtered after which a first barrier layer is deposited. The patterned and etched layer of protective material is removed, leaving in place overlying the pattern of copper interconnects a protective layer of first barrier material. A dielectric barrier layer, in the form of a layer of etch stop material, is deposited after which additional layers of dielectric interspersed with layers of etch stop material are deposited. Via and trench patterns are etched aligned with a copper pattern to which an electrical contact is to be established, the copper pattern being protected by the first layer of barrier material. A second barrier layer is deposited, the via and trench pattern is filled with copper after which excess copper is removed by polishing the surface of the deposited layer of copper.
    • 提供了一种用于创建铜互连的新方法。 产生铜互连的图案,半导体材料的保护层沉积在所产生的铜互连的表面上。 保护层被图案化和蚀刻,暴露铜互连图案的表面。 暴露的铜表面是Ar溅射,之后沉积第一势垒层。 去除保护材料的图案化和蚀刻层,留在覆盖铜图案的位置使第一阻挡材料的保护层互连。 沉积了一层蚀刻停止材料形式的电介质阻挡层,之后沉积了分层的蚀刻停止材料层。 通孔和沟槽图案被蚀刻成与将要建立电接触的铜图案对齐,铜图案被第一层屏障材料保护。 沉积第二阻挡层,通孔和沟槽图案填充有铜,之后通过抛光沉积的铜层的表面去除多余的铜。