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    • 2. 发明申请
    • INTERLAYER INTERCONNECT OF THREE-DIMENSIONAL MEMORY AND METHOD FOR MANUFACTURING THE SAME
    • 三维存储器的层间互连及其制造方法
    • US20070178693A1
    • 2007-08-02
    • US11423619
    • 2006-06-12
    • Pei-Ren Jeng
    • Pei-Ren Jeng
    • H01L21/44
    • H01L27/0688H01L27/105H01L27/1052H01L27/228H01L27/2436H01L27/2463H01L27/2481H01L45/06H01L45/085
    • An interlayer interconnect structure of a three-dimensional memory includes memory cell groups, each composed of a plurality of memory cells and connected to their respective selection transistors, because of special arrangement of lines and first plugs as well as line layouts. The line layouts involve disposing a plurality of lines on each of a plurality of horizontal levels, and selectively forming second plugs between adjoining lines disposed on upper and lower horizontal levels, such that the plugs selectively connect the adjoining upper and lower lines to each other. Since identical layout patterns are adopted in individual stacking states of stacking layers disposed in the three-dimensional memory, the upper lines and the lower lines of the stacking layers of the three-dimensional memory share the same layouts, leading to a reduction in the number of masks used, simpler process adjustment, and lower costs.
    • 三维存储器的层间互连结构包括存储单元组,每个存储单元组由多个存储单元组成,并且由于线和第一插头的特殊布置以及线路布局而连接到它们各自的选择晶体管。 线路布局涉及在多个水平平面中的每一个上布置多个线,并且在布置在上部和下部水平水平的相邻线之间选择性地形成第二插塞,使得插头选择性地将相邻的上部和下部线路相互连接。 由于在设置在三维存储器中的堆叠层的各个堆叠状态中采用相同的布局图案,所以三维存储器的堆叠层的上层和下层共享相同的布局,导致数量的减少 使用的面罩,更简单的工艺调整和更低的成本。
    • 3. 发明申请
    • Nanocrystal memory element, method for fabricating the same and memory having the memory element
    • 纳米晶体存储元件,其制造方法和具有存储元件的存储器
    • US20070105316A1
    • 2007-05-10
    • US11495528
    • 2006-07-31
    • Pei-Ren Jeng
    • Pei-Ren Jeng
    • H01L21/336
    • H01L29/7881B82Y10/00H01L29/40114H01L29/42332
    • A nanocrystal memory element and a method for fabricating the same involves repeatedly and alternately depositing, by atomic layer deposition, conductive layers and dielectric layers on a substrate with a tunnel oxide layer formed thereon, forming multiple layers of nanocrystal groups as a result of crystallization of conductive layers in a rapid thermal annealing process, and forming a gate on the top dielectric layer. The nanocrystal groups disposed at any two neighboring levels are separated by one dielectric layer, thus a plurality of nanocrystals formed in an integration layer are disposed at the same level. Barrier widths between a channel and the nanocrystals of the nanocrystal groups disposed at the same level are equal. Therefore, the nanocrystals at the same level are subjected the same electric field when voltage is applied to the gate, resulting in improved transistor performance, enhanced control of threshold voltage, and avoidance of over-erasing.
    • 纳米晶体存储元件及其制造方法涉及通过原子层沉积,在其上形成有隧道氧化物层的衬底上的导电层和电介质层反复交替沉积,形成多层纳米晶体基团作为结晶的结果 导电层,并且在顶部介电层上形成栅极。 设置在任何两个相邻级别的纳米晶体组由一个电介质层分离,因此在积分层中形成的多个纳米晶体设置在相同的水平。 通道与布置在同一水平的纳米晶体的纳米晶体之间的阻挡宽度相等。 因此,当对栅极施加电压时,相同电平的纳米晶体受到相同的电场,从而提高了晶体管性能,增强了阈值电压的控制,并避免了过度擦除。
    • 5. 发明授权
    • Method of forming self-aligned contacts
    • 形成自对准触点的方法
    • US06939768B2
    • 2005-09-06
    • US10403060
    • 2003-04-01
    • Pei-Ren Jeng
    • Pei-Ren Jeng
    • H01L21/28H01L21/60H01L21/336H01L21/331H01L21/338H01L21/8238
    • H01L21/76897H01L21/28247
    • A method of forming self-aligned contacts that includes providing at least one stacked-gate structure on a semiconductor substrate, forming a first dielectric layer on the stacked-gate structure and the semiconductor substrate, forming a second dielectric layer on the first dielectric layer, the second dielectric layer being etch selective relative to the first dielectric layer, etching the second dielectric layer to expose a portion of the first dielectric layer formed on a top surface and along at least a portion of upper sidewalls of the stacked-gate structure, removing the exposed portion of the first dielectric layer, and forming a third dielectric layer on the sidewalls of the stacked-gate structure.
    • 一种形成自对准触点的方法,包括在半导体衬底上提供至少一个堆叠栅极结构,在堆叠栅极结构和半导体衬底上形成第一电介质层,在第一介电层上形成第二电介质层, 所述第二电介质层相对于所述第一电介质层具有蚀刻选择性,蚀刻所述第二电介质层以暴露形成在所述第一电介质层的顶表面上并沿着所述堆叠栅极结构的上侧壁的至少一部分的部分, 第一电介质层的暴露部分,并且在堆叠栅极结构的侧壁上形成第三电介质层。
    • 7. 发明授权
    • Method for forming a high-RI oxide film to reduce fluorine diffusion in HDP FSG process
    • 用于形成高RI氧化膜以减少HDP FSG工艺中的氟扩散的方法
    • US06335274B1
    • 2002-01-01
    • US09714128
    • 2000-11-17
    • Shu-Li WuPei-Ren Jeng
    • Shu-Li WuPei-Ren Jeng
    • H01L214763
    • H01L21/02131H01L21/02304H01L21/31612H01L21/31629H01L21/76834
    • A method for forming a high-RI dielectric liner layer to prevent out diffusion of fluorine substances in an intermetal dielectric (IMD) layer of an semiconductor device is provided. The method comprises following steps. First, a patterned conductive layer is deposited on a substrate. Then, a dielectric liner layer is formed by high density plasma enhanced chemical vapor deposition method or plasma enhanced chemical vapor deposition method. The dielectric liner layer is silicon dioxide and has a high-RI between about 1.5 to 1.8. Next, a fluorinated silicate glass layer is deposited on the dielectric liner layer. The high-RI dielectric liner layer is used to reduce out diffusion of fluorine substances in the fluorinated silicate glass layer. Last, it is proceeded a chemical mechanism polishing process to remove additional fluorinated silicate glass layer and the dielectric liner layer.
    • 提供了形成高RI电介质衬垫层以防止氟物质在半导体器件的金属间电介质(IMD)层中的扩散的方法。 该方法包括以下步骤。 首先,将图案化的导电层沉积在衬底上。 然后,通过高密度等离子体增强化学气相沉积法或等离子体增强化学气相沉积法形成电介质衬垫层。 电介质衬垫层是二氧化硅,并且具有在约1.5至1.8之间的高RI。 接下来,氟化硅酸盐玻璃层沉积在电介质衬垫层上。 高RI介电衬垫层用于减少氟化硅酸盐玻璃层中氟物质的扩散。 最后,进行化学机构抛光工艺以除去附加的氟化硅酸盐玻璃层和介电衬里层。
    • 8. 发明授权
    • Method for improving the electrical property of gate in polycide
structure
    • 改善多晶硅结构栅极电性能的方法
    • US5877074A
    • 1999-03-02
    • US998958
    • 1997-12-29
    • Pei-Ren JengChun-Cho Chen
    • Pei-Ren JengChun-Cho Chen
    • H01L21/28H01L21/3205H01L21/4763
    • H01L21/28061
    • A method for improving the electrical property of gate in polycide structure is disclosed. First, a gate oxide layer is formed on the surface of the silicon substrate. The following procedure acts as one of the key points for the invention comprising the process steps of (1) forming a highly-doped polysilicon layer on the gate oxide, (2) forming an undoped amorphous silicon layer on the polysilicon layer, and followed by (3) forming a tungsten silicon layer on the amorphous silicon. Next, annealing at high temperature and in short time is performed. Such a stacked gate structure has low resistance and can solve the following problems: (1)peeling of tungsten silicide after annealing, (2) degradation of the electrical property of gate due to the diffusing and penetration of fluorine atoms coming from tungsten silicide.
    • 公开了一种改善多晶硅结构中栅极电性能的方法。 首先,在硅衬底的表面上形成栅氧化层。 以下步骤用作本发明的关键点之一,其包括以下步骤:(1)在栅极氧化物上形成高度掺杂的多晶硅层,(2)在多晶硅层上形成未掺杂的非晶硅层, (3)在非晶硅上形成钨硅层。 接下来,进行高温退火和短时间退火。 这种堆叠栅极结构具有低电阻并且可以解决以下问题:(1)退火后硅化钨的剥离,(2)由于来自硅化钨的氟原子的扩散和渗透导致的栅极电性能的劣化。