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    • 4. 发明授权
    • Multi-layer charge trap silicon nitride/oxynitride layer engineering with interface region control
    • 多层电荷阱氮化硅/氮氧化物层工程与界面区域控制
    • US09502521B2
    • 2016-11-22
    • US13189225
    • 2011-07-22
    • Udayan GangulyChristopher S. OlsenSean M. SeutterLucien Date
    • Udayan GangulyChristopher S. OlsenSean M. SeutterLucien Date
    • H01L21/28H01L29/51
    • H01L29/513H01L21/28282H01L29/518
    • A non-volatile memory semiconductor device comprising a semiconductor substrate having a channel and a gate stack above the channel. The gate stack comprises a tunnel layer adjacent to the channel, a charge trapping layer above the tunnel layer, a charge blocking layer above the charge trapping layer, a control gate above the charge blocking layer, and an intentionally incorporated interface region between the charge trapping layer and the charge blocking layer. The charge trapping layer comprises a compound including silicon and nitrogen, the charge blocking layer contains an oxide of a charge blocking component, and the interface region comprises a compound including silicon, nitrogen and the charge blocking component. The tunnel layer may comprise up to three tunnel sub-layers, the charge trapping layer may comprise two trapping sub-layers, and the charge blocking layer may comprise up to five blocking sub-layers. Various gate stack formation techniques can be employed.
    • 一种非易失性存储器半导体器件,包括在沟道上方具有沟道和栅极堆叠的半导体衬底。 栅极堆叠包括与沟道相邻的隧道层,隧道层上方的电荷俘获层,电荷俘获层上方的电荷阻挡层,电荷阻挡层上方的控制栅极以及电荷俘获之间有意并入的界面区域 层和电荷阻挡层。 电荷捕获层包括包含硅和氮的化合物,电荷阻挡层含有电荷阻挡组分的氧化物,并且界面区域包括包含硅,氮和电荷阻挡组分的化合物。 隧道层可以包括多达三个隧道子层,电荷捕获层可以包括两个陷阱子层,并且电荷阻挡层可以包括多达五个阻塞子层。 可以采用各种栅堆叠形成技术。
    • 7. 发明申请
    • Multi-Layer Charge Trap Silicon Nitride/Oxynitride Layer Engineering with Interface Region Control
    • 多层电荷陷阱氮化硅/氮氧化物层工程与界面区域控制
    • US20110101442A1
    • 2011-05-05
    • US12610457
    • 2009-11-02
    • Udayan GangulyChristopher S. OlsenSean M. SeutterLucien Date
    • Udayan GangulyChristopher S. OlsenSean M. SeutterLucien Date
    • H01L29/792H01L21/28
    • H01L29/513H01L29/40117H01L29/518
    • A non-volatile memory semiconductor device comprising a semiconductor substrate having a channel and a gate stack above the channel. The gate stack comprises a tunnel layer adjacent to the channel, a charge trapping layer above the tunnel layer, a charge blocking layer above the charge trapping layer, a control gate above the charge blocking layer, and an intentionally incorporated interface region between the charge trapping layer and the charge blocking layer. The charge trapping layer comprises a compound including silicon and nitrogen, the charge blocking layer contains an oxide of a charge blocking component, and the interface region comprises a compound including silicon, nitrogen and the charge blocking component. The tunnel layer may comprise up to three tunnel sub-layers, the charge trapping layer may comprise two trapping sub-layers, and the charge blocking layer may comprise up to five blocking sub-layers. Various gate stack formation techniques can be employed.
    • 一种非易失性存储器半导体器件,包括在沟道上方具有沟道和栅极堆叠的半导体衬底。 栅极堆叠包括与沟道相邻的隧道层,隧道层上方的电荷俘获层,电荷俘获层上方的电荷阻挡层,电荷阻挡层上方的控制栅极以及电荷俘获之间有意并入的界面区域 层和电荷阻挡层。 电荷捕获层包括包含硅和氮的化合物,电荷阻挡层含有电荷阻挡组分的氧化物,并且界面区域包括包含硅,氮和电荷阻挡组分的化合物。 隧道层可以包括多达三个隧道子层,电荷捕获层可以包括两个陷阱子层,并且电荷阻挡层可以包括多达五个阻塞子层。 可以采用各种栅堆叠形成技术。