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    • 96. 发明授权
    • Semiconductor structure with improved capacitance of bit line
    • 具有改善位线电容的半导体结构
    • US08704205B2
    • 2014-04-22
    • US13594353
    • 2012-08-24
    • Shih-Hung ChenHang-Ting LueKuang-Yeu HsiehErh-Kun LaiYen-Hao Shih
    • Shih-Hung ChenHang-Ting LueKuang-Yeu HsiehErh-Kun LaiYen-Hao Shih
    • H01L47/00
    • H01L27/11582H01L27/11548H01L27/11556H01L27/11575
    • A semiconductor structure with improved capacitance of bit lines includes a substrate, a stacked memory structure, a plurality of bit lines, a first stair contact structure, a first group of transistor structures and a first conductive line. The first stair contact structure is formed on the substrate and includes conductive planes and insulating planes stacked alternately. The conductive planes are separated from each other by the insulating planes for connecting the bit lines to the stacked memory structure by stairs. The first group of transistor structures is formed in a first bulk area where the bit lines pass through and then connect to the conductive planes. The first group of transistor structures has a first gate around the first bulk area. The first conductive line is connected to the first gate to control the voltage applied to the first gate.
    • 具有改善的位线电容的半导体结构包括衬底,堆叠存储器结构,多个位线,第一阶梯接触结构,第一组晶体管结构和第一导电线。 第一阶梯接触结构形成在基板上,并且包括交替堆叠的导电平面和绝缘面。 导电平面通过用于通过楼梯将位线连接到堆叠的存储器结构的绝缘平面彼此分离。 第一组晶体管结构形成在第一体积区域中,其中位线通过,然后连接到导电平面。 第一组晶体管结构在第一体积区域周围具有第一栅极。 第一导线连接到第一栅极以控制施加到第一栅极的电压。
    • 97. 发明授权
    • Resistance random access memory structure for enhanced retention
    • 电阻随机存取存储器结构,增强保留
    • US08067762B2
    • 2011-11-29
    • US11560723
    • 2006-11-16
    • ChiaHua HoErh-Kun LaiKuang Yeu Hsieh
    • ChiaHua HoErh-Kun LaiKuang Yeu Hsieh
    • H01L29/02H01L47/00
    • H01L45/1608H01L45/04H01L45/06H01L45/12H01L45/1233H01L45/144H01L45/146H01L45/1625
    • A bistable resistance random access memory is described for enhancing the data retention in a resistance random access memory member. A dielectric member, e.g. the bottom dielectric member, underlies the resistance random access memory member which improves the SET/RESET window in the retention of information. The deposition of the bottom dielectric member is carried out by a plasma-enhanced chemical vapor deposition or by high-density-plasma chemical vapor deposition. One suitable material for constructing the bottom dielectric member is a silicon oxide. The bistable resistance random access memory includes a bottom dielectric member disposed between a resistance random access member and a bottom electrode or bottom contact plug. Additional layers including a bit line, a top contact plug, and a top electrode disposed over the top surface of the resistance random access memory member. Sides of the top electrode and the resistance random access memory member are substantially aligned with each other.
    • 描述了双稳态电阻随机存取存储器,用于增强电阻随机存取存储器件中的数据保持。 电介质构件,例如 底部电介质构件位于电阻随机存取存储器构件的下方,其改善了保留信息中的SET / RESET窗口。 底部电介质构件的沉积通过等离子体增强化学气相沉积或通过高密度 - 等离子体化学气相沉积来进行。 用于构造底部电介质构件的一种合适的材料是氧化硅。 双稳态随机存取存储器包括设置在电阻随机存取构件和底部电极或底部接触插塞之间的底部电介质构件。 附加层包括位线,顶部接触插塞和设置在电阻随机存取存储器构件顶表面上的顶部电极。 顶部电极和电阻随机存取存储器构件的侧面基本上彼此对准。
    • 98. 发明授权
    • Air tunnel floating gate memory cell
    • 空中隧道浮动门存储单元
    • US08022489B2
    • 2011-09-20
    • US11134155
    • 2005-05-20
    • Hang-Ting LueErh-Kun LaiKuang Yeu Hsieh
    • Hang-Ting LueErh-Kun LaiKuang Yeu Hsieh
    • H01L29/788H01L27/108H01L27/11H01L27/112
    • H01L27/115G11C16/0408H01L21/28273H01L27/11521H01L29/42324H01L29/515
    • An air tunnel floating gate memory cell includes an air tunnel defined over a substrate. A first polysilicon layer (floating gate) is defined over the air tunnel. An oxide layer is disposed over the first polysilicon layer such that the oxide layer caps the first polysilicon layer and defines the sidewalls of the air tunnel. A second polysilicon layer, functioning as a word line, is defined over the oxide layer. A method for making an air tunnel floating gate memory cell is also disclosed. A sacrificial layer is formed over a substrate. A first polysilicon layer is formed over the sacrificial layer. An oxide layer is deposited over the first polysilicon layer such that the oxide layer caps the first polysilicon layer and defines the sidewalls of the sacrificial layer. A hot phosphoric acid (H3PO4) dip is used to etch away the sacrificial layer to form an air tunnel.
    • 空气隧道浮动栅极存储单元包括限定在衬底上的空气通道。 在空气隧道上定义第一多晶硅层(浮栅)。 氧化物层设置在第一多晶硅层上,使得氧化物层覆盖第一多晶硅层并限定空气通道的侧壁。 用作字线的第二多晶硅层被定义在氧化物层上。 还公开了一种制造空气通道浮动栅极存储单元的方法。 在衬底上形成牺牲层。 在牺牲层上形成第一多晶硅层。 在第一多晶硅层上沉积氧化物层,使得氧化物层覆盖第一多晶硅层并限定牺牲层的侧壁。 使用热磷酸(H 3 PO 4)浸渍来蚀刻掉牺牲层以形成空气通道。
    • 100. 发明授权
    • Resistor random access memory cell device
    • 电阻随机存取存储单元器件
    • US07718989B2
    • 2010-05-18
    • US11617542
    • 2006-12-28
    • Erh-Kun LaiChiaHua HoKuang Yeu Hsieh
    • Erh-Kun LaiChiaHua HoKuang Yeu Hsieh
    • H01L29/02
    • H01L45/122G11C11/5678G11C13/0004H01L27/2436H01L45/06H01L45/144H01L45/1625H01L45/1641H01L45/1683
    • A memory cell device has a bottom electrode and a top electrode, a plug of memory material in contact with the bottom electrode, and a cup-shaped conductive member having a rim that contacts the top electrode and an opening in the bottom that contacts the memory material. Accordingly, the conductive path in the memory cells passes from the top electrode through the conductive cup-shaped member, and through the plug of phase change material to the bottom electrode. Also, methods for making the memory cell device include steps of forming a bottom electrode island including an insulative element and a stop element over a bottom electrode, forming a separation layer surrounding the island, removing the stop element to form a hole over the insulative element in the separation layer, forming a conductive film in the hole and an insulative liner over conductive film, etching to form a cup-shaped conductive film having a rim and to form an opening through the insulative liner and the bottom of the cup-shaped conductive film to the surface of the bottom electrode, forming a plug of phase change memory material in the opening, and forming a top electrode in contact with the rim of the cup-shaped conductive film.
    • 存储单元装置具有底部电极和顶部电极,与底部电极接触的存储器材料的插头以及具有接触顶部电极的边缘和接触存储器的底部开口的杯形导电构件 材料。 因此,存储单元中的导电路径从顶部电极通过导电杯状构件,并通过相变材料的塞子到达底部电极。 此外,用于制造存储单元器件的方法包括在底部电极上形成包括绝缘元件和止动元件的底部电极岛的步骤,形成围绕岛的分离层,去除止动元件以在绝缘元件上方形成孔 在分离层中,在孔中形成导电膜,在导电膜上形成绝缘衬垫,进行蚀刻以形成具有边缘的杯形导电膜,并且通过绝缘衬垫和杯状导电体的底部形成开口 在底部电极的表面形成薄膜,在开口中形成相变记忆材料塞,形成与杯状导电膜的边缘接触的顶部电极。