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    • 46. 发明授权
    • Non-volatile memory cells and methods of manufacturing the same
    • 非易失性存储单元及其制造方法
    • US07468299B2
    • 2008-12-23
    • US11197659
    • 2005-08-04
    • ChiaHua HoErh-Kun LaiHang-Ting Lue
    • ChiaHua HoErh-Kun LaiHang-Ting Lue
    • H01L21/336
    • H01L27/11568H01L27/115
    • Methods for forming non-volatile memory cells include: (a) providing a semiconductor substrate having at least two source/drain regions, and a dielectric material disposed on the substrate above at least one of the at least two source/drain regions wherein the dielectric material has an exposed surface, and wherein the at least two source/drain regions are separated by a recess trench having an exposed surface, wherein the trench extends downward into the substrate to a depth position below the at least two source/drain regions; (b) forming a charge-trapping layer on the exposed surfaces of the dielectric material and the recess trench; and (c) forming a gate above the charge-trapping layer.
    • 用于形成非易失性存储单元的方法包括:(a)提供具有至少两个源极/漏极区域的半导体衬底和设置在至少两个源极/漏极区域中的至少一个的衬底上的电介质材料,其中电介质 材料具有暴露的表面,并且其中所述至少两个源极/漏极区域被具有暴露表面的凹槽分隔开,其中所述沟槽向下延伸到所述衬底中至所述至少两个源极/漏极区域下方的深度位置; (b)在电介质材料和凹槽沟的暴露表面上形成电荷捕获层; 和(c)在电荷俘获层上形成栅极。
    • 49. 发明授权
    • Non-volatile memory semiconductor device having an oxide-nitride-oxide (ONO) top dielectric layer
    • 具有氧化物 - 氧化物 - 氧化物(ONO)顶部介电层的非易失性存储器半导体器件
    • US08153491B2
    • 2012-04-10
    • US12506993
    • 2009-07-21
    • Hang-Ting LueErh-Kun Lai
    • Hang-Ting LueErh-Kun Lai
    • H01L21/336
    • H01L29/792H01L29/513
    • A non-volatile memory (NVM) cell includes a silicon substrate having a main surface, a source region in a portion of the silicon substrate, a drain region in a portion of the silicon substrate, and a well region disposed in a portion of the silicon substrate between the source and drain regions. The cell includes a bottom oxide layer formed on the main surface of the substrate. The bottom oxide layer is disposed on a portion of the main surface proximate the well region. The cell includes a charge storage layer disposed above the bottom oxide layer, a dielectric tunneling layer disposed above the charge storage layer and a control gate formed above the dielectric tunneling layer. The dielectric tunneling layer includes a first oxide layer, a nitride layer and a second oxide layer. Erasing the NVM cell includes applying a positive gate voltage to inject holes from the gate.
    • 非易失性存储器(NVM)单元包括具有主表面的硅衬底,硅衬底的一部分中的源极区域,硅衬底的一部分中的漏极区域和设置在硅衬底的一部分中的阱区域 硅衬底在源区和漏区之间。 电池包括形成在基板的主表面上的底部氧化物层。 底部氧化物层设置在靠近阱区域的主表面的一部分上。 电池包括设置在底部氧化物层上方的电荷存储层,设置在电荷存储层上方的电介质隧道层和形成在电介质隧道层上方的控制栅极。 电介质隧道层包括第一氧化物层,氮化物层和第二氧化物层。 擦除NVM单元包括施加正栅极电压以从栅极注入孔。