Memory cell that includes a carbon-based memory element and methods of forming the same
    1.
    发明授权
    Memory cell that includes a carbon-based memory element and methods of forming the same 有权
    包含碳基记忆元件的记忆单元及其形成方法

    公开(公告)号:US08557685B2

    公开(公告)日:2013-10-15

    申请号:US12536463

    申请日:2009-08-05

    申请人: Huiwen Xu

    发明人: Huiwen Xu

    IPC分类号: H01L21/20 H01L47/00

    摘要: Memory cells, and methods of forming such memory cells, are provided that include a carbon-based reversible resistivity switching material. In particular embodiments, methods in accordance with this invention form a memory cell by (a) depositing a layer of the carbon material above a substrate; (b) doping the deposited carbon layer with a dopant; (c) depositing a layer of the carbon material over the doped carbon layer; and (d) iteratively repeating steps (b) and (c) to form a stack of doped carbon layers having a desired thickness. Other aspects are also provided.

    摘要翻译: 提供了存储单元和形成这种存储单元的方法,其包括碳基可逆电阻率切换材料。 在特定实施例中,根据本发明的方法通过以下步骤形成存储器单元:(a)在基底上沉积碳材料层; (b)用掺杂剂掺杂沉积的碳层; (c)在所述掺杂碳层上沉积所述碳材料层; 和(d)重复地重复步骤(b)和(c)以形成具有期望厚度的掺杂碳层的堆叠。 还提供其他方面。

    MEMORY EMPLOYING DIAMOND-LIKE CARBON RESISTIVITY-SWITCHABLE MATERIAL AND METHODS OF FORMING THE SAME
    3.
    发明申请
    MEMORY EMPLOYING DIAMOND-LIKE CARBON RESISTIVITY-SWITCHABLE MATERIAL AND METHODS OF FORMING THE SAME 审中-公开
    使用类似钻石的碳电阻可切换材料的记忆及其形成方法

    公开(公告)号:US20110278529A1

    公开(公告)日:2011-11-17

    申请号:US12780564

    申请日:2010-05-14

    申请人: Huiwen Xu

    发明人: Huiwen Xu

    IPC分类号: H01L45/00 H01L21/20

    摘要: In a first aspect, a method of forming a memory cell having a diamond like carbon (DLC) resistivity-switching material is provided that includes (1) forming a metal-insulator-metal (MIM) stack that includes (a) a first conductive layer; (b) a DLC switching layer above the first conductive layer; and (c) a second conductive layer above the DLC switching layer; (2) forming a compressive dielectric liner along a sidewall of the MIM stack; and (3) forming a steering element coupled to the MIM stack. Numerous other aspects are provided.

    摘要翻译: 在第一方面,提供了形成具有类金刚石(DLC)电阻率切换材料的存储单元的方法,其包括(1)形成金属绝缘体金属(MIM)堆叠,所述金属绝缘体金属(MIM)堆叠包括(a)第一导电 层; (b)在第一导电层之上的DLC切换层; 和(c)DLC开关层上方的第二导电层; (2)沿着MIM堆叠的侧壁形成压缩电介质衬垫; 和(3)形成耦合到所述MIM堆叠的操纵元件。 提供了许多其他方面。

    Method of making a two-terminal non-volatile memory pillar device with rounded corner
    5.
    发明授权
    Method of making a two-terminal non-volatile memory pillar device with rounded corner 有权
    制造具有圆角的双端非易失性存储柱装置的方法

    公开(公告)号:US07955981B2

    公开(公告)日:2011-06-07

    申请号:US12458091

    申请日:2009-06-30

    IPC分类号: H01L21/302

    摘要: A non-volatile memory device includes a plurality of pillars, where each of the plurality of pillars contains a non-volatile memory cell containing a steering element and a storage element and at least one of a top corner or a bottom corner of each of the plurality of pillars is rounded. A method of making non-volatile memory device includes forming a stack of device layers, and patterning the stack to form a plurality of pillars, where each of the plurality of pillars contains a non-volatile memory cell that contains a steering element and a storage element, and where at least one of top corner or bottom corner of each of the plurality of pillars is rounded.

    摘要翻译: 非易失性存储器件包括多个支柱,其中多个支柱中的每个支柱包含含有转向元件和存储元件的非易失性存储单元,并且每个的顶角或底角中的至少一个 多个柱子是圆形的。 制造非易失性存储器件的方法包括形成器件层堆叠,以及图案化堆叠以形成多个柱,其中多个柱中的每个柱包含含有转向元件和存储器的非易失性存储单元 并且其中所述多个柱中的每一个的顶角或底角中的至少一个是圆形的。

    MEMORY CELL THAT INCLUDES A CARBON-BASED MEMORY ELEMENT AND METHODS OF FORMING THE SAME
    8.
    发明申请
    MEMORY CELL THAT INCLUDES A CARBON-BASED MEMORY ELEMENT AND METHODS OF FORMING THE SAME 审中-公开
    包含基于碳的存储元件的存储器单元及其形成方法

    公开(公告)号:US20100032640A1

    公开(公告)日:2010-02-11

    申请号:US12536469

    申请日:2009-08-05

    申请人: Huiwen Xu

    发明人: Huiwen Xu

    IPC分类号: H01L47/00

    摘要: Memory cells, and methods of forming such memory cells, are provided that include a carbon-based reversible resistivity switching material. In particular embodiments, methods in accordance with this invention form a memory cell by forming a layer of carbon material above a substrate, forming a barrier layer above the carbon layer, forming a hardmask layer above the barrier layer, forming a photoresist layer above the hardmask layer, patterning and developing the photoresist layer to form a photoresist region, patterning and etching the hardmask layer to form a hardmask region, and using an ashing process to remove the photoresist region while the barrier layer remains above the carbon layer. Other aspects are also provided.

    摘要翻译: 提供了存储单元和形成这种存储单元的方法,其包括碳基可逆电阻率切换材料。 在具体实施方案中,根据本发明的方法通过在基底上形成碳材料层形成存储单元,在碳层之上形成阻挡层,在阻挡层上方形成硬掩模层,在硬掩模之上形成光阻层 层,图案化和显影光致抗蚀剂层以形成光致抗蚀剂区域,图案化和蚀刻硬掩模层以形成硬掩模区域,并且使用灰化工艺除去光致抗蚀剂区域,同时阻挡层保留在碳层上方。 还提供其他方面。

    Memory cell that includes a carbon-based reversible resistance switching element compatible with a steering element, and methods of forming the same
    10.
    发明授权
    Memory cell that includes a carbon-based reversible resistance switching element compatible with a steering element, and methods of forming the same 有权
    包括与转向元件兼容的碳基可逆电阻开关元件的存储单元及其形成方法

    公开(公告)号:US08481396B2

    公开(公告)日:2013-07-09

    申请号:US12835236

    申请日:2010-07-13

    IPC分类号: H01L21/00

    摘要: Memory cells, and methods of forming such memory cells, are provided that include a steering element coupled to a carbon-based reversible resistivity switching material that has an increased resistivity, and a switching current that is less than a maximum current capability of the steering element used to control current flow through the carbon-based reversible resistivity switching material. In particular embodiments, methods and apparatus in accordance with this invention form a steering element, such as a diode, having a first cross-sectional area, coupled to a reversible resistivity switching material, such as aC, having a region that has a second cross-sectional area smaller than the first cross-sectional area.

    摘要翻译: 提供了存储单元和形成这种存储单元的方法,其包括耦合到具有增加的电阻率的碳基可逆电阻率切换材料的转向元件和小于转向元件的最大电流能力的开关电流 用于控制通过碳基可逆电阻率开关材料的电流。 在具体实施例中,根据本发明的方法和装置形成具有第一横截面面积的转向元件,例如二极管,该第二横截面面积与可逆电阻率开关材料(例如aC)耦合,具有具有第二十字 切片面积小于第一横截面积。