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    • 7. 发明授权
    • MIM capacitor high-k dielectric for increased capacitance density
    • MIM电容高k电介质,增加电容密度
    • US08110861B1
    • 2012-02-07
    • US12798386
    • 2010-04-03
    • Hadi H Abdul-RidhaDavid J. Howard
    • Hadi H Abdul-RidhaDavid J. Howard
    • H01L27/108
    • H01L23/5223H01L28/60H01L2924/0002H01L2924/00
    • According to one embodiment of the invention, a method for fabricating a MIM capacitor in a semiconductor die includes a step of depositing a first interconnect metal layer. The method further includes depositing a high-k dielectric layer comprising AlNX (aluminum nitride) on the first interconnect layer. The method further includes depositing a layer of MIM capacitor metal on the high-k dielectric layer. The method further includes etching the layer of MIM capacitor metal to form an upper electrode of the MIM capacitor. According to this exemplary embodiment, the first interconnect metal layer, the high-k dielectric layer, and the layer of MIM capacitor metal can be deposited in a PVD process chamber. The method further includes etching the high-k dielectric layer to form a MIM capacitor dielectric segment and etching the first interconnect metal layer to form a lower electrode of the MIM capacitor.
    • 根据本发明的一个实施例,在半导体管芯中制造MIM电容器的方法包括沉积第一互连金属层的步骤。 该方法还包括在第一互连层上沉积包含AlNX(氮化铝)的高k电介质层。 该方法还包括在高k电介质层上沉积MIM电容器金属层。 该方法还包括蚀刻MIM电容器金属层以形成MIM电容器的上电极。 根据该示例性实施例,第一互连金属层,高k电介质层和MIM电容器金属层可以沉积在PVD处理室中。 该方法还包括蚀刻高k电介质层以形成MIM电容器介电段并蚀刻第一互连金属层以形成MIM电容器的下电极。
    • 8. 发明申请
    • MIM capacitor high-k dielectric for increased capacitance density
    • MIM电容高k电介质,增加电容密度
    • US20090065895A1
    • 2009-03-12
    • US11729350
    • 2007-03-28
    • Hadi H. Abdul-RidhaDavid J. Howard
    • Hadi H. Abdul-RidhaDavid J. Howard
    • H01L31/00
    • H01L23/5223H01L28/60H01L2924/0002H01L2924/00
    • According to one embodiment of the invention, a method for fabricating a MIM capacitor in a semiconductor die includes a step of depositing a first interconnect metal layer. The method further includes depositing a high-k dielectric layer comprising AlNX (aluminum nitride) on the first interconnect layer. The method further includes depositing a layer of MIM capacitor metal on the high-k dielectric layer. The method further includes etching the layer of MIM capacitor metal to form an upper electrode of the MIM capacitor. According to this exemplary embodiment, the first interconnect metal layer, the high-k dielectric layer, and the layer of MIM capacitor metal can be deposited in a PVD process chamber. The method further includes etching the high-k dielectric layer to form a MIM capacitor dielectric segment and etching the first interconnect metal layer to form a lower electrode of the MIM capacitor.
    • 根据本发明的一个实施例,在半导体管芯中制造MIM电容器的方法包括沉积第一互连金属层的步骤。 该方法还包括在第一互连层上沉积包含AlNX(氮化铝)的高k电介质层。 该方法还包括在高k电介质层上沉积MIM电容器金属层。 该方法还包括蚀刻MIM电容器金属层以形成MIM电容器的上电极。 根据该示例性实施例,第一互连金属层,高k电介质层和MIM电容器金属层可以沉积在PVD处理室中。 该方法还包括蚀刻高k电介质层以形成MIM电容器介电段并蚀刻第一互连金属层以形成MIM电容器的下电极。
    • 10. 发明授权
    • Method for fabricating a frontside through-wafer via in a processed wafer and related structure
    • 用于在经处理的晶片中制造前侧贯穿晶片通孔的方法及相关结构
    • US07704874B1
    • 2010-04-27
    • US11641500
    • 2006-12-18
    • Arjun Kar-RoyMarco RacanelliDavid J. Howard
    • Arjun Kar-RoyMarco RacanelliDavid J. Howard
    • H01L21/4763
    • H01L21/76898H01L23/481H01L2924/0002H01L2924/3011H01L2924/00
    • According to an exemplary embodiment, a method for fabricating a frontside through-wafer via in a processed wafer includes forming a through-wafer via opening through at least one interlayer dielectric layer in a through-wafer via region of the processed wafer. The method further includes extending the through-wafer via opening through a substrate to a target depth. The method further includes forming a first conductive layer in the through-wafer via opening and over a through-wafer via pad, which is situated over the at least one interlayer dielectric layer. The first conductive layer in the through-wafer via opening forms an electrical connection between the substrate and the through-wafer via pad. The method further includes forming a second conductive layer on the backside surface of the processed wafer, where the second conductive layer is in electrical contact with the first conductive layer and the substrate.
    • 根据示例性实施例,一种用于在经处理的晶片中制造前侧贯通晶片通孔的方法包括通过开孔穿过晶片经过处理晶片的区域中的至少一个层间电介质层形成贯通晶片。 该方法进一步包括将通过基板的开口穿过晶片延伸到目标深度。 该方法还包括通过开口在穿通晶片中形成第一导电层,并且穿过位于至少一个层间介电层上的贯通晶片通孔焊盘。 贯通晶片通孔开口中的第一导电层在衬底和贯通晶片通孔焊盘之间形成电连接。 所述方法还包括在所述经处理晶片的背面上形成第二导电层,其中所述第二导电层与所述第一导电层和所述衬底电接触。