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    • 73. 发明授权
    • Non-volatile memory and logic circuit process integration
    • 非易失性存储器和逻辑电路工艺集成
    • US08389365B2
    • 2013-03-05
    • US13077501
    • 2011-03-31
    • Mehul D. ShroffMark D. Hall
    • Mehul D. ShroffMark D. Hall
    • H01L21/8234H01L21/336
    • H01L29/42324H01L21/823842H01L21/823857H01L27/11536H01L29/66825
    • A method for forming an integrated circuit for a non-volatile memory cell transistor is disclosed that includes: forming a layer of discrete storage elements over a substrate in a first region of the substrate and in a second region of the substrate; forming a first layer of dielectric material over the layer of discrete storage elements in the first region and the second region; forming a first layer of barrier work function material over the first layer of dielectric material in the first region and the second region; and removing the first layer of barrier work function material from the second region, the first layer of dielectric material from the second region, and the layer of discrete storage elements from the second region. After the removing, a second layer of barrier work function material is formed over the substrate in the first region and the second region. The second layer of barrier work function material is removed from the first region. A first gate of a memory device is formed in the first region. The first gate includes a portion of the first layer of barrier work function material. The memory device includes a charge storage structure including a portion of the layer of discrete storage elements. A second gate of a transistor is formed in the second region, the second gate including a portion of the second layer of barrier work function material.
    • 公开了一种用于形成用于非易失性存储单元晶体管的集成电路的方法,其包括:在所述衬底的第一区域和所述衬底的第二区域中的衬底上形成离散存储元件层; 在所述第一区域和所述第二区域中的离散存储元件层上形成第一介电材料层; 在所述第一区域和所述第二区域中的所述第一介电材料层上形成阻挡功函数材料的第一层; 以及从所述第二区域去除所述第一层屏障功能材料,从所述第二区域去除所述第一介电材料层,以及从所述第二区域移除所述离散存储元件层。 在去除之后,在第一区域和第二区域中的衬底上形成第二层屏障功能材料层。 从第一区域去除第二层屏障功能材料。 存储器件的第一栅极形成在第一区域中。 第一栅极包括第一层屏障功能材料的一部分。 存储器件包括电荷存储结构,其包括离散存储元件层的一部分。 晶体管的第二栅极形成在第二区域中,第二栅极包括第二层屏障功能材料的一部分。
    • 79. 发明申请
    • METHOD OF FORMING A SHARED CONTACT IN A SEMICONDUCTOR DEVICE
    • 在半导体器件中形成共享接触的方法
    • US20110294292A1
    • 2011-12-01
    • US12787296
    • 2010-05-25
    • Olubunmi O. AdetutuTed R. WhiteMark D. Hall
    • Olubunmi O. AdetutuTed R. WhiteMark D. Hall
    • H01L21/768
    • H01L21/76895H01L21/76807H01L21/76808
    • A method for forming a shared contact in a semiconductor device having a gate electrode corresponding to a first transistor and a source/drain region corresponding to a second transistor is provided. The method includes forming a first opening in a dielectric layer overlying the gate electrode and the source/drain region, wherein the first opening extends substantially to the gate electrode corresponding to the first transistor. The method further includes after forming the first opening, forming a second opening, contiguous with the first opening, in the overlying dielectric layer, wherein the second opening extends substantially to the source/drain region corresponding to the second transistor. The method further includes forming the shared contact between the gate electrode corresponding to the first transistor and the source/drain region corresponding to the second transistor by filling the first opening and the second opening with a conductive material.
    • 提供一种用于在具有对应于第一晶体管的栅电极和对应于第二晶体管的源/漏区的半导体器件中形成共用触点的方法。 该方法包括在覆盖栅电极和源极/漏极区的电介质层中形成第一开口,其中第一开口基本上延伸到对应于第一晶体管的栅电极。 该方法还包括在形成第一开口之后,在覆盖介质层中形成与第一开口邻接的第二开口,其中第二开口基本上延伸到对应于第二晶体管的源极/漏极区域。 该方法还包括通过用导电材料填充第一开口和第二开口来形成对应于第一晶体管的栅电极与对应于第二晶体管的源极/漏极区之间的共用接触。