Nonvolatile memory device and method of fabricating the same
    4.
    发明申请
    Nonvolatile memory device and method of fabricating the same 审中-公开
    非易失性存储器件及其制造方法

    公开(公告)号:US20080087940A1

    公开(公告)日:2008-04-17

    申请号:US11589994

    申请日:2006-10-31

    IPC分类号: H01L29/792 H01L21/8238

    摘要: A nonvolatile memory device, includes a semiconductor substrate having a bottom part, a second vertical part positioned vertically on the bottom part, and a first vertical part having a width smaller than a width of the second vertical part and positioned on the second vertical part to have a boundary step therebetween; a charge trap layer disposed on a lateral surface of the first vertical part and on an upper surface of the boundary step; and a control gate electrode disposed on an upper surface of the bottom part and on lateral surfaces of the second vertical part and the charge trap layer.

    摘要翻译: 一种非易失性存储器件,包括:半导体衬底,具有底部;垂直于第二垂直方向的底部;以及第一垂直部分,其宽度小于第二垂直部分的宽度,并且位于第二垂直部分上, 在其间具有边界步骤; 电荷陷阱层,设置在所述第一垂直部分的侧表面和所述边界台阶的上表面上; 以及设置在所述底部的上表面和所述第二垂直部分和所述电荷陷阱层的侧表面上的控制栅电极。

    Non-volatile semiconductor memory device with alternative metal gate material
    5.
    发明申请
    Non-volatile semiconductor memory device with alternative metal gate material 有权
    具有替代金属栅极材料的非易失性半导体存储器件

    公开(公告)号:US20060118858A1

    公开(公告)日:2006-06-08

    申请号:US11246114

    申请日:2005-10-11

    IPC分类号: H01L29/788

    摘要: A non-volatile semiconductor memory device comprises a substrate including a source region, a drain region and a channel region provided between the source region and the drain region with a gate stack located above the channel region with a metal gate located above the gate stack. The metal gate is comprised of a metal having a specific metal work function relative to a composition of a layer of the gate stack that causes electrons to travel through the entire thickness of the blocking layer via direct tunneling. The gate stack preferably comprises a multiple layer stack selected from a group of multiple layer stacks consisting of: ONO, ONH, OHH, OHO, HHH, or HNH, where O is an oxide material, N is SiN, and H is a high κ material.

    摘要翻译: 非易失性半导体存储器件包括:衬底,其包括源区域,漏极区域和设置在源极区域和漏极区域之间的沟道区域,栅极堆叠位于沟道区域上方,金属栅极位于栅极叠层之上。 金属栅极由具有特定的金属功函数的金属组成,相对于栅堆叠层的组成,其使电子通过直接隧道穿过阻挡层的整个厚度。 栅极堆叠优选地包括选自由以下组成的多层堆叠的多层堆叠:ONO,ONH,OHH,OHO,HHH或HNH,其中O是氧化物材料,N是SiN,H是高kappa 材料。

    Non-volatile semiconductor memory device with alternative metal gate material
    6.
    发明授权
    Non-volatile semiconductor memory device with alternative metal gate material 有权
    具有替代金属栅极材料的非易失性半导体存储器件

    公开(公告)号:US07391075B2

    公开(公告)日:2008-06-24

    申请号:US11246114

    申请日:2005-10-11

    IPC分类号: H01L29/788

    摘要: A non-volatile semiconductor memory device comprises a substrate including a source region, a drain region and a channel region provided between the source region and the drain region with a gate stack located above the channel region with a metal gate located above the gate stack. The metal gate is comprised of a metal having a specific metal work function relative to a composition of a layer of the gate stack that causes electrons to travel through the entire thickness of the blocking layer via direct tunneling. The gate stack preferably comprises a multiple layer stack selected from a group of multiple layer stacks consisting of: ONO, ONH, OHH, OHO, HHH, or HNH, where O is an oxide material, N is SiN, and H is a high κ material.

    摘要翻译: 非易失性半导体存储器件包括:衬底,其包括源区域,漏极区域和设置在源极区域和漏极区域之间的沟道区域,栅极堆叠位于沟道区域上方,金属栅极位于栅极叠层之上。 金属栅极由具有特定的金属功函数的金属组成,相对于栅堆叠层的组成,其使电子通过直接隧道穿过阻挡层的整个厚度。 栅极堆叠优选地包括选自由以下组成的多层堆叠的多层堆叠:ONO,ONH,OHH,OHO,HHH或HNH,其中O是氧化物材料,N是SiN,H是高kappa 材料。

    Method of manufacturing a memory device having improved erasing characteristics
    8.
    发明授权
    Method of manufacturing a memory device having improved erasing characteristics 有权
    具有改善擦除特性的存储器件的制造方法

    公开(公告)号:US07402492B2

    公开(公告)日:2008-07-22

    申请号:US11385642

    申请日:2006-03-21

    IPC分类号: H01L21/336

    摘要: In a method of manufacturing a memory device having improved erasing characteristics, the method includes sequentially forming a tunneling oxide layer, a charge storing layer, and a blocking oxide layer on a semiconductor substrate; annealing the semiconductor substrate including the tunneling oxide layer, the charge storing layer, and the blocking oxide layer under a gas atmosphere so that the blocking oxide layer has a negative fixed oxide charge; forming a gate electrode on the blocking oxide layer with the negative fixed oxide charge and etching the tunneling oxide layer, the charge storing layer, and the blocking oxide layer to form a gate structure; and forming a first doped region and a second doped region in the semiconductor substrate at sides of the gate structure by doping the semiconductor substrate with a dopant.

    摘要翻译: 在制造具有改善的擦除特性的存储器件的方法中,该方法包括在半导体衬底上依次形成隧穿氧化物层,电荷存储层和阻挡氧化物层; 在气体气氛下退火包括隧道氧化物层,电荷存储层和阻挡氧化物层的半导体衬底,使得阻挡氧化物层具有负的固定氧化物电荷; 在阻挡氧化物层上形成具有负固定氧化物电荷的栅电极,蚀刻隧道氧化物层,电荷存储层和阻挡氧化物层以形成栅极结构; 以及通过用掺杂剂掺杂半导体衬底,在栅极结构的侧面在半导体衬底中形成第一掺杂区和第二掺杂区。

    Method of manufacturing a memory device having improved erasing characteristics
    9.
    发明申请
    Method of manufacturing a memory device having improved erasing characteristics 有权
    具有改善擦除特性的存储器件的制造方法

    公开(公告)号:US20060211205A1

    公开(公告)日:2006-09-21

    申请号:US11385642

    申请日:2006-03-21

    IPC分类号: H01L21/336

    摘要: In a method of manufacturing a memory device having improved erasing characteristics, the method includes sequentially forming a tunneling oxide layer, a charge storing layer, and a blocking oxide layer on a semiconductor substrate; annealing the semiconductor substrate including the tunneling oxide layer, the charge storing layer, and the blocking oxide layer under a gas atmosphere so that the blocking oxide layer has a negative fixed oxide charge; forming a gate electrode on the blocking oxide layer with the negative fixed oxide charge and etching the tunneling oxide layer, the charge storing layer, and the blocking oxide layer to form a gate structure; and forming a first doped region and a second doped region in the semiconductor substrate at sides of the gate structure by doping the semiconductor substrate with a dopant.

    摘要翻译: 在制造具有改善的擦除特性的存储器件的方法中,该方法包括在半导体衬底上依次形成隧穿氧化物层,电荷存储层和阻挡氧化物层; 在气体气氛下退火包括隧道氧化物层,电荷存储层和阻挡氧化物层的半导体衬底,使得阻挡氧化物层具有负的固定氧化物电荷; 在阻挡氧化物层上形成具有负固定氧化物电荷的栅电极,蚀刻隧道氧化物层,电荷存储层和阻挡氧化物层以形成栅极结构; 以及通过用掺杂剂掺杂半导体衬底,在栅极结构的侧面在半导体衬底中形成第一掺杂区和第二掺杂区。

    Methods of programming silicon oxide nitride oxide semiconductor (SONOS) memory devices
    10.
    发明授权
    Methods of programming silicon oxide nitride oxide semiconductor (SONOS) memory devices 有权
    氧化硅氧化物半导体(SONOS)存储器件的编程方法

    公开(公告)号:US07349262B2

    公开(公告)日:2008-03-25

    申请号:US11432375

    申请日:2006-05-12

    IPC分类号: G11C11/34 G11C16/04

    摘要: A method of programming a silicon oxide nitride oxide semiconductor (SONOS) memory device is provided. The SONOS memory device includes a substrate, first and second impurity regions spaced apart on the substrate, a gate oxide layer formed over the substrate between the first and second impurity regions, a trap layer formed over the gate oxide layer, an insulation layer formed over the trap layer, and a gate electrode formed over the insulation layer. The method of programming the SONOS device includes writing data into the SONOS memory device by applying a first voltage to the first impurity region, a gate voltage to the gate electrode, and a second voltage to the second impurity region, where the second voltage is a negative voltage.

    摘要翻译: 提供了一种编程氧化硅氮氧化物半导体(SONOS)存储器件的方法。 SONOS存储器件包括衬底,在衬底上间隔开的第一和第二杂质区,在第一和第二杂质区之间的衬底上形成的栅氧化层,在栅极氧化物层上形成的阱层,形成在绝缘层上的绝缘层 陷阱层和形成在绝缘层上的栅电极。 对SONOS设备进行编程的方法包括:通过向第一杂质区施加第一电压,向栅电极施加第一电压,向第二杂质区施加第二电压,将数据写入SONOS存储器件,其中第二电压为 负电压。