Method of fabricating a nonvolatile charge trap memory device
    92.
    发明授权
    Method of fabricating a nonvolatile charge trap memory device 有权
    制造非易失性电荷陷阱存储器件的方法

    公开(公告)号:US08318608B2

    公开(公告)日:2012-11-27

    申请号:US12197466

    申请日:2008-08-25

    IPC分类号: H01L21/31

    摘要: A method for fabricating a nonvolatile charge trap memory device is described. The method includes providing a substrate having a charge-trapping layer disposed thereon. A portion of the charge-trapping layer is then oxidized to form a blocking dielectric layer above the charge-trapping layer by exposing the charge-trapping layer to a radical oxidation process.

    摘要翻译: 描述了制造非易失性电荷陷阱存储器件的方法。 该方法包括提供其上设置有电荷捕获层的衬底。 然后通过将电荷捕获层暴露于自由基氧化过程,电荷俘获层的一部分被氧化以形成电荷俘获层上方的阻挡电介质层。

    Radical oxidation process for fabricating a nonvolatile charge trap memory device
    93.
    发明授权
    Radical oxidation process for fabricating a nonvolatile charge trap memory device 有权
    用于制造非易失性电荷陷阱存储器件的自由基氧化工艺

    公开(公告)号:US08283261B2

    公开(公告)日:2012-10-09

    申请号:US12124855

    申请日:2008-05-21

    IPC分类号: H01L21/31

    摘要: A method for fabricating a nonvolatile charge trap memory device is described. The method includes providing a substrate having a charge-trapping layer disposed Thereon. A portion of the charge-trapping layer is then oxidized to form a blocking dielectric layer above the charge-trapping layer by exposing the charge-trapping layer to a radical oxidation process.

    摘要翻译: 描述了制造非易失性电荷陷阱存储器件的方法。 该方法包括提供其上设置有电荷捕获层的衬底。 然后通过将电荷捕获层暴露于自由基氧化过程,电荷俘获层的一部分被氧化以形成电荷俘获层上方的阻挡电介质层。

    Oxide formation in a plasma process
    95.
    发明授权
    Oxide formation in a plasma process 有权
    在等离子体工艺中形成氧化物

    公开(公告)号:US08119538B1

    公开(公告)日:2012-02-21

    申请号:US11836683

    申请日:2007-08-09

    IPC分类号: H01L21/31

    摘要: A method of making a semiconductor structure is provided. The method includes forming a dielectric layer using a high density plasma oxidation process. The dielectric layer is on a storage layer and the thickness of the storage layer is reduced during the high density plasma oxidation process.

    摘要翻译: 提供制造半导体结构的方法。 该方法包括使用高密度等离子体氧化工艺形成介电层。 电介质层在存储层上,并且在高密度等离子体氧化过程中存储层的厚度减小。

    Method of ONO integration into MOS flow
    96.
    发明授权
    Method of ONO integration into MOS flow 有权
    ONO集成到MOS流中的方法

    公开(公告)号:US08071453B1

    公开(公告)日:2011-12-06

    申请号:US12608886

    申请日:2009-10-29

    IPC分类号: H01L21/336

    摘要: A method of ONO integration of a non-volatile memory device (e.g. EEPROM, floating gate FLASH and SONOS) into a baseline MOS device (e.g. MOSFET) is described. In an embodiment the bottom two ONO layers are formed prior to forming the channel implants into the MOS device, and the top ONO layer is formed simultaneously with the gate oxide of the MOS device.

    摘要翻译: 描述了将非易失性存储器件(例如EEPROM,浮动栅极FLASH和SONOS)的ONO集成到基准MOS器件(例如MOSFET)中的方法。 在一个实施例中,在将沟道植入物形成MOS器件之前形成底部的两个ONO层,并且顶部ONO层与MOS器件的栅极氧化物同时形成。

    Plasma oxidation of a memory layer to form a blocking layer in non-volatile charge trap memory devices
    97.
    发明授权
    Plasma oxidation of a memory layer to form a blocking layer in non-volatile charge trap memory devices 有权
    存储层的等离子体氧化在非挥发性电荷陷阱存储器件中形成阻挡层

    公开(公告)号:US07799670B2

    公开(公告)日:2010-09-21

    申请号:US12080175

    申请日:2008-03-31

    IPC分类号: H01L21/4763

    摘要: A blocking layer of a non-volatile charge trap memory device is formed by oxidizing a portion of a charge trapping layer of the memory device. In one embodiment, the blocking layer is grown by a radical oxidation process at temperature below 500° C. In accordance with one implementation, the radical oxidation process involves flowing hydrogen (H2) and oxygen (O2) gas mixture into a process chamber and exposing the substrate to a plasma. In a preferred embodiment, a high density plasma (HDP) chamber is employed to oxidize a portion of the charge trapping layer. In further embodiments, a portion of a silicon-rich silicon oxynitride charge trapping layer is consumptively oxidized to form the blocking layer and provide an increased memory window relative to oxidation of a nitrogen-rich silicon oxynitride layer.

    摘要翻译: 通过氧化存储器件的电荷俘获层的一部分来形成非易失性电荷陷阱存储器件的阻挡层。 在一个实施方案中,通过自由基氧化法在低于500℃的温度下生长阻挡层。根据一个实施方案,自由基氧化过程包括将氢(H 2)和氧(O 2)气体混合物流入处理室并暴露 衬底到等离子体。 在优选实施例中,使用高密度等离子体(HDP)室来氧化电荷俘获层的一部分。 在另外的实施例中,一部分富硅氧氮化硅电荷捕获层被消耗氧化以形成阻挡层,并且相对于富氮氧氮化硅层的氧化提供增加的存储窗口。

    Plasma oxidation of a memory layer to form a blocking layer in non-volatile charge trap memory devices
    98.
    发明申请
    Plasma oxidation of a memory layer to form a blocking layer in non-volatile charge trap memory devices 有权
    存储层的等离子体氧化在非挥发性电荷陷阱存储器件中形成阻挡层

    公开(公告)号:US20090242962A1

    公开(公告)日:2009-10-01

    申请号:US12080175

    申请日:2008-03-31

    IPC分类号: H01L21/28 H01L29/423

    摘要: A blocking layer of a non-volatile charge trap memory device is formed by oxidizing a portion of a charge trapping layer of the memory device. In one embodiment, the blocking layer is grown by a radical oxidation process at temperature below 500° C. In accordance with one implementation, the radical oxidation process involves flowing hydrogen (H2) and oxygen (O2) gas mixture into a process chamber and exposing the substrate to a plasma. In a preferred embodiment, a high density plasma (HDP) chamber is employed to oxidize a portion of the charge trapping layer. In further embodiments, a portion of a silicon-rich silicon oxynitride charge trapping layer is consumptively oxidized to form the blocking layer and provide an increased memory window relative to oxidation of a nitrogen-rich silicon oxynitride layer.

    摘要翻译: 通过氧化存储器件的电荷俘获层的一部分来形成非易失性电荷陷阱存储器件的阻挡层。 在一个实施方案中,通过自由基氧化法在低于500℃的温度下生长阻挡层。根据一个实施方案,自由基氧化过程包括将氢(H 2)和氧(O 2)气体混合物流入处理室并暴露 衬底到等离子体。 在优选实施例中,使用高密度等离子体(HDP)室来氧化电荷俘获层的一部分。 在另外的实施例中,一部分富硅氧氮化硅电荷捕获层被消耗氧化以形成阻挡层,并且相对于富氮氧氮化硅层的氧化提供增加的存储窗口。

    Oxide-nitride-oxide stack having multiple oxynitride layers
    99.
    发明申请
    Oxide-nitride-oxide stack having multiple oxynitride layers 审中-公开
    具有多个氮氧化物层的氧化物 - 氮化物 - 氧化物堆叠

    公开(公告)号:US20090179253A1

    公开(公告)日:2009-07-16

    申请号:US11811958

    申请日:2007-06-13

    IPC分类号: H01L29/792 H01L21/336

    摘要: A semiconductor device including an oxide-nitride-oxide (ONO) structure having a multi-layer charge storing layer and methods of forming the same are provided. Generally, the method involves: (i) forming a first oxide layer of the ONO structure; (ii) forming a multi-layer charge storing layer comprising nitride on a surface of the first oxide layer; and (iii) forming a second oxide layer of the ONO structure on a surface of the multi-layer charge storing layer. Preferably, the charge storing layer comprises at least two silicon oxynitride layers having differing stoichiometric compositions of Oxygen, Nitrogen and/or Silicon. More preferably, the ONO structure is part of a silicon-oxide-nitride-oxide-silicon (SONOS) structure and the semiconductor device is a SONOS memory transistor. Other embodiments are also disclosed.

    摘要翻译: 提供了包括具有多层电荷存储层的氧化物 - 氧化物 - 氧化物(ONO)结构的半导体器件及其形成方法。 通常,该方法包括:(i)形成ONO结构的第一氧化物层; (ii)在所述第一氧化物层的表面上形成包含氮化物的多层电荷存储层; 和(iii)在多层电荷存储层的表面上形成ONO结构的第二氧化物层。 优选地,电荷存储层包括至少两个氧氮,氮和/或硅具有不同化学计量组成的氮氧化硅层。 更优选地,ONO结构是氧化硅 - 氧化物 - 氧化物 - 硅(SONOS)结构的一部分,并且半导体器件是SONOS存储晶体管。 还公开了其他实施例。