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    • 1. 发明授权
    • Vertical stacked gate flash memory device
    • 垂直堆叠式门闪存器件
    • US06548856B1
    • 2003-04-15
    • US09583403
    • 2000-05-31
    • Chrong-Jung LinShui-Hung ChenMong-Song Liang
    • Chrong-Jung LinShui-Hung ChenMong-Song Liang
    • H01L29788
    • H01L27/11556
    • A method of forming a vertical transistor memory device comprises the following process steps. Before forming the trenches, FOX regions are formed between the rows. Then form a set of trenches with sidewalls and a bottom in a semiconductor substrate with threshold implant regions the sidewalls. Form doped drain regions near the surface of the substrate and doped source regions in the base of the device below the trenches with oppositely doped channel regions therebetween. Form a tunnel oxide layer over the substrate including the trenches. Form a blanket thin floating gate layer of doped polysilicon over the tunnel oxide layer extending above the trenches. Etch the floating gate layer leaving upright floating gate strips of the floating gate layer along the sidewalls of the trenches. Form an interelectrode dielectric layer composed of ONO over the floating gate layer and over the tunnel oxide layer. Form a blanket thin control gate layer of doped polysilicon over the interelectrode dielectric layer. Pattern the control gate layer into control gate electrodes. Form spacers adjacent to the sidewalls of the control gate electrode.
    • 形成垂直晶体管存储器件的方法包括以下处理步骤。 在形成沟槽之前,在行之间形成FOX区域。 然后在半导体衬底中形成具有侧壁和底部的一组沟槽,其中侧壁具有阈值注入区域。 在衬底的表面附近形成掺杂的漏极区域,并且在沟槽底部的器件的底部中的掺杂源极区域之间具有相反掺杂的沟道区域。 在包括沟槽的衬底上形成隧道氧化物层。 在沟槽上延伸的隧道氧化物层上形成掺杂多晶硅的覆盖薄的浮动栅极层。 蚀刻漂浮栅极层,沿着沟槽的侧壁留下浮动栅极层的直立浮栅条。 在浮栅层和隧道氧化物层之上形成由ONO组成的电极间电介质层。 在电极间电介质层上形成掺杂多晶硅的覆盖薄的控制栅极层。 将控制栅层图案化为控制栅电极。 形成与控制栅电极的侧壁相邻的间隔物。
    • 2. 发明授权
    • Method of manufacture of vertical stacked gate flash memory device
    • 垂直堆叠式闸门闪存装置的制造方法
    • US6093606A
    • 2000-07-25
    • US35049
    • 1998-03-05
    • Chrong-Jung LinShui-Hung ChenMong-Song Liang
    • Chrong-Jung LinShui-Hung ChenMong-Song Liang
    • H01L21/8247H01L21/336H01L29/788
    • H01L27/11556
    • A method of forming a vertical transistor memory device comprises the following process steps. Before forming the trenches, FOX regions are formed between the rows. Then form a set of trenches with sidewalls and a bottom in a semiconductor substrate with threshold implant regions the sidewalls. Form doped drain regions near the surface of the substrate and doped source regions in the base of the device below the trenches with oppositely doped channel regions therebetween. Form a tunnel oxide layer over the substrate including the trenches. Form a blanket thin floating gate layer of doped polysilicon over the tunnel oxide layer extending above the trenches. Etch the floating gate layer leaving upright floating gate strips of the floating gate layer along the sidewalls of the trenches. Form an interelectrode dielectric layer composed of ONO over the floating gate layer and over the tunnel oxide layer. Form a blanket thin control gate layer of doped polysilicon over the interelectrode dielectric layer. Pattern the control gate layer into control gate electrodes. Form spacers adjacent to the sidewalls of the control gate electrode.
    • 形成垂直晶体管存储器件的方法包括以下处理步骤。 在形成沟槽之前,在行之间形成FOX区域。 然后在半导体衬底中形成具有侧壁和底部的一组沟槽,其中侧壁具有阈值注入区域。 在衬底的表面附近形成掺杂的漏极区域,并且在沟槽底部的器件的底部中的掺杂源极区域之间具有相反掺杂的沟道区域。 在包括沟槽的衬底上形成隧道氧化物层。 在沟槽上延伸的隧道氧化物层上形成掺杂多晶硅的覆盖薄的浮动栅极层。 蚀刻漂浮栅极层,沿着沟槽的侧壁留下浮动栅极层的直立浮栅条。 在浮栅层和隧道氧化物层之上形成由ONO组成的电极间电介质层。 在电极间电介质层上形成掺杂多晶硅的覆盖薄的控制栅极层。 将控制栅层图案化为控制栅电极。 形成与控制栅电极的侧壁相邻的间隔物。
    • 3. 发明授权
    • Charge collector structure for detecting radiation induced charge during
integrated circuit processing
    • 用于在集成电路处理期间检测辐射感应电荷的电荷收集器结构
    • US5861634A
    • 1999-01-19
    • US871504
    • 1997-06-09
    • Ching-Hsiang HsuChrong-Jung LinMong-Song Liang
    • Ching-Hsiang HsuChrong-Jung LinMong-Song Liang
    • H01L23/544H01L23/58
    • H01L22/34
    • A method and structure for the evaluation of the density of charge induced to a semiconductor substrate during exposure to radiation as a result of integrated circuits processing procedures such as ion implantation and plasma etching is disclosed. A plurality of stacked gate field effect transistors, wherein each stacked has a charge collection capacitor attached to the gate, is fabricated on a semiconductor substrate. Each charge collection capacitor has an area that is different from every other charge collection capacitor. The to substrate is exposed to a radiation source. The threshold voltage for each of the stacked gate field effect transistors is measured. The difference in threshold voltage for the stacked gate transistors is proportional to the amount of charge induced during the exposure to the radiation and the density of the charge induced by the exposure to the radiation can be calculated from the comparison of the threshold voltage and the area of the charge collection capacitors.
    • 公开了用于评价由于诸如离子注入和等离子体蚀刻的集成电路处理过程而在暴露于辐射期间对半导体衬底感生的电荷密度的评估方法和结构。 在半导体衬底上制造多个堆叠栅极场效应晶体管,其中每个层叠有一个附着到栅极的电荷收集电容器。 每个电荷收集电容器具有与每个其他电荷收集电容器不同的面积。 将衬底暴露于辐射源。 测量每个堆叠栅极场效应晶体管的阈值电压。 堆叠栅极晶体管的阈值电压的差异与在曝光到辐射期间感应的电荷量成比例,并且可以从阈值电压和面积的比较来计算由暴露于辐射引起的电荷的密度 的电荷收集电容器。