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    • 2. 发明授权
    • Method for cleaning and passivating gallium arsenide surface autologous oxide and depositing AL203 dielectric
    • 用于清除和钝化砷化镓表面自氧化物和沉积AL203电介质的方法
    • US08455372B2
    • 2013-06-04
    • US13528509
    • 2012-06-20
    • Qingqing SunRunchen FangWen YangPengfei WangWei Zhang
    • Qingqing SunRunchen FangWen YangPengfei WangWei Zhang
    • H01L21/31H01L21/00C30B28/06
    • H01L21/0228H01L21/02052H01L21/02178H01L21/02301H01L21/02312H01L21/306
    • The present invention belongs to the technical field of semiconductor materials and specifically relates to a method for cleaning and passivizing gallium arsenide (GaAs) surface autologous oxide and depositing an Al2O3 dielectric. This method includes: use a new-type of sulfur passivant to react with the autologous oxide on the GaAs surface to clean it and generate a passive sulfide film to separate the GaAs from the outside environment, thus preventing the GaAs from oxidizing again; further cleaning the residuals such as autologous oxides and sulfides on the GaAs surface through the pretreatment reaction of the reaction source trimethyl aluminum (TMA) of the Al2O3 ALD with the GaAs surface, and then deposit high-quality Al2O3 dielectric through ALD as the gate dielectric which fully separates the GaAs from the outside environment. The present invention features a simple process and good effects, and can provide preconditions for manufacturing the GaAs devices.
    • 本发明属于半导体材料的技术领域,具体涉及一种清洗和钝化砷化镓(GaAs)表面自氧化物并沉积Al2O3电介质的方法。 该方法包括:使用新型硫钝化剂与GaAs表面的自氧化物反应,对其进行清洗,并产生钝化的硫化物膜,使GaAs与外界环境分离,从而防止GaAs再次氧化; 通过Al2O3 ALD的反应物三甲基铝(TMA)与GaAs表面的预处理反应,进一步清洗GaAs表面上的残余物,如自生氧化物和硫化物,然后通过ALD作为栅极电介质沉积高质量的Al2O3电介质 其将GaAs与外部环境完全分离。 本发明具有简单的工艺和良好的效果,并且可以为制造GaAs器件提供前提条件。
    • 3. 发明申请
    • METHOD FOR CLEANING & PASSIVATING GALLIUM ARSENIDE SURFACE AUTOLOGOUS OXIDE AND DEPOSITING AL2O3 DIELECTRIC
    • 用于清洁和钝化铝酸盐表面氧化物和沉积Al2O3电介质的方法
    • US20130078819A1
    • 2013-03-28
    • US13528509
    • 2012-06-20
    • Qingqing SunRunchen FangWen YangPengfei WangWei Zhang
    • Qingqing SunRunchen FangWen YangPengfei WangWei Zhang
    • H01L21/316
    • H01L21/0228H01L21/02052H01L21/02178H01L21/02301H01L21/02312H01L21/306
    • The present invention belongs to the technical field of semiconductor materials and specifically relates to a method for cleaning & passivizing gallium arsenide (GaAs) surface autologous oxide and depositing an Al2O3 dielectric. This method includes: use a new-type of sulfur passivant to react with the autologous oxide on the GaAs surface to clean it and generate a passive sulfide film to separate the GaAs from the outside environment, thus preventing the GaAs from oxidizing again; further cleaning the residuals such as autologous oxides and sulfides on the GaAs surface through the pretreatment reaction of the reaction source trimethyl aluminum (TMA) of the Al2O3 ALD with the GaAs surface, and then deposit high-quality Al2O3 dielectric through ALD as the gate dielectric which fully separates the GaAs from the outside environment. The present invention features a simple process and good effects, and can provide preconditions for manufacturing the GaAs devices.
    • 本发明属于半导体材料的技术领域,具体涉及一种清洗和钝化砷化镓(GaAs)表面自氧化物并沉积Al2O3电介质的方法。 该方法包括:使用新型硫钝化剂与GaAs表面的自氧化物反应,对其进行清洗,并产生钝化的硫化物膜,使GaAs与外界环境分离,从而防止GaAs再次氧化; 通过Al2O3 ALD的反应物三甲基铝(TMA)与GaAs表面的预处理反应,进一步清洗GaAs表面上的残余物,如自生氧化物和硫化物,然后通过ALD作为栅极电介质沉积高质量的Al2O3电介质 其将GaAs与外部环境完全分离。 本发明具有简单的工艺和良好的效果,并且可以为制造GaAs器件提供前提条件。
    • 8. 发明申请
    • SELF-ALIGNED VERTICAL NONVOLATILE SEMICONDUCTOR MEMORY DEVICE
    • 自对准垂直非线性半导体存储器件
    • US20140167134A1
    • 2014-06-19
    • US13514032
    • 2012-02-02
    • Pengfei WangXi LinQingqing SunWei Zhang
    • Pengfei WangXi LinQingqing SunWei Zhang
    • H01L27/115
    • H01L27/11563G11C16/0475H01L21/84H01L27/1021H01L27/1026H01L27/1157H01L27/1203H01L29/7391H01L29/7923H01L29/8616
    • The present invention belongs to the technical field of semiconductor memory devices and specifically relates to a self-aligned vertical nonvolatile semiconductor memory device, Including: a semiconductor substrate, a drain region of a first doping type, two source regions of a second doping type, a stacked gate used to capture electrons; wherein the drain region, the two source regions and the stacked gate form two tunneling field effect transistors (TFETs) sharing one gate and one drain, the drain region current of each of the TFET is affected by the quantity and distribution of the charges in the stacked gate used to capture electrons, the drain is buried in the semiconductor substrate, the source regions above the drain region are separated from the drain through a channel and separated form each other through a region of the first doping type. The semiconductor memory device of the present invention features small unit area and simple manufacturing process. The memory chip using the present invention is of low manufacturing cost and high storage density.
    • 本发明属于半导体存储器件的技术领域,具体涉及一种自对准的垂直非易失性半导体存储器件,包括:半导体衬底,第一掺杂类型的漏极区域,第二掺杂型的两个源极区域, 用于捕获电子的堆叠栅; 其中漏极区域,两个源极区域和堆叠的栅极形成共享一个栅极和一个漏极的两个隧道场效应晶体管(TFET),每个TFET的漏极区域电流受到电荷的量和分布的影响 用于捕获电子的堆叠栅极,漏极埋在半导体衬底中,漏极区域上方的源极区域通过沟道与漏极分离,并通过第一掺杂类型的区域彼此分离。 本发明的半导体存储器件具有小的单位面积和简单的制造工艺。 使用本发明的存储芯片的制造成本低,存储密度高。
    • 9. 发明申请
    • SEMICONDUCTOR MEMORY STRUCTURE AND ITS MANUFACTURING METHOD THEREOF
    • 半导体存储器结构及其制造方法
    • US20140034891A1
    • 2014-02-06
    • US13376994
    • 2011-08-15
    • Pengfei WangXi LinQingqing SunWei Zhang
    • Pengfei WangXi LinQingqing SunWei Zhang
    • H01L27/24
    • H01L27/2463H01L27/2445H01L27/2472H01L29/7391H01L45/04H01L45/06H01L45/1233H01L45/144H01L45/146H01L45/1675
    • The present invention belongs to the technical field of microelectronic devices, specifically relates to a semiconductor memory structure and its manufacturing method thereof. The semiconductor memory structure which carries out erasing, writing and reading operation on the phase change memory or the resistance change memory through a tunneling field-effect transistor is formed, for one hand, the high current passed through the tunneling field-effect transistor when the p-n junction the biased positively, meeting the high current requirements for erasing of and writing of the phase change memory and the resistance change memory, and on the other hand, Vertical structure of the field-effect transistor can greatly improve the density of memory devices arrays. The present invention also discloses a method, which is very suitable for the memory chips, for the manufacturing of the semiconductor memory structure using self-aligned process.
    • 本发明属于微电子器件的技术领域,具体涉及一种半导体存储器结构及其制造方法。 形成通过隧道场效应晶体管对相变存储器或电阻变化存储器进行擦除,写入和读取操作的半导体存储器结构,一方面,当电流通过隧道场效应晶体管时, pn结积极偏置,满足擦除和写入相变存储器和电阻变化存储器的高电流要求,另一方面,场效应晶体管的垂直结构可以大大提高存储器件阵列的密度 。 本发明还公开了一种非常适用于存储芯片的方法,用于使用自对准工艺制造半导体存储器结构。
    • 10. 发明授权
    • Method for manufacturing a gate-control diode semiconductor memory device
    • 栅极控制二极管半导体存储器件的制造方法
    • US08574958B2
    • 2013-11-05
    • US13535032
    • 2012-06-27
    • Pengfei WangXiaoyong LiuQingqing SunWei Zhang
    • Pengfei WangXiaoyong LiuQingqing SunWei Zhang
    • H01L21/00
    • H01L29/7391H01L29/8616
    • This invention belongs to semiconductor device manufacturing field and discloses a method for manufacturing a gate-control diode semiconductor storage device. When the floating gate voltage is relatively high, the channel under the floating gate is of n type and a simple gate-control pn junction structure is configured; by controlling effective n-type concentration of the ZnO film through back-gate control, inverting the n-type ZnO into p-type through a floating gate and using NiO as a p-type semiconductor, an n-p-n-p doping structure is formed while the quantity of charges in the floating gate determines the device threshold voltage, thus realizing memory functions. This invention features capacity of manufacturing gate-control diode memory devices able to reduce the chip power consumption through advantages of high driving current and small sub-threshold swing. This invention is applicable to semiconductor devices manufacturing based on flexible substrate and flat panel displays and floating gate memories, etc.
    • 本发明属于半导体器件制造领域,并且公开了一种用于制造栅极控制二极管半导体存储器件的方法。 当浮动栅极电压相对较高时,浮动栅极下的沟道为n型,并配置了简单的栅极控制pn结结构; 通过背栅控制来控制ZnO膜的有效n型浓度,通过浮栅将n型ZnO反转为p型,并使用NiO作为p型半导体,形成npnp掺杂结构, 浮动门中的电荷决定了器件的阈值电压,从而实现了存储器的功能。 本发明具有制造栅极控制二极管存储器件的能力,其能够通过高驱动电流和小的次级阈值摆动的优点来降低芯片功耗。 本发明适用于基于柔性基板和平板显示器和浮动栅极存储器等的半导体器件制造。