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    • 1. 发明授权
    • Method of filling intervals and fabricating shallow trench isolation structures
    • 填充间隔和制造浅沟槽隔离结构的方法
    • US06855617B1
    • 2005-02-15
    • US10707083
    • 2003-11-20
    • Chien-Hung LuChin-Ta SuKuang-Chao Chen
    • Chien-Hung LuChin-Ta SuKuang-Chao Chen
    • H01L21/762H01L21/76
    • H01L21/76224
    • A method of filling intervals between protruding structures is provided. A substrate with a plurality of protruding structures thereon is provided. The protruding structures are distributed over the substrate such that intervals are formed between adjacent protruding structures. A first dielectric layer is formed over the substrate so that the dielectric material fills the intervals between the protruding structures and covers the protruding structures as well. The first dielectric layer has a plurality of apertures therein located at a level above a top section of the protruding structures. A chemical/mechanical polishing operation is performed to remove a portion of the dielectric layer and expose the apertures to form a plurality of openings. An anisotropic etching operation is performed to increase the width of these openings. Finally, a second dielectric layer is formed over the first dielectric layer to fill the openings completely.
    • 提供了一种在突出结构之间填充间隔的方法。 提供其上具有多个突出结构的基板。 突出结构分布在基板上,使得在相邻突出结构之间形成间隔。 第一电介质层形成在衬底上,使得介电材料填充突出结构之间的间隔并且也覆盖突出结构。 第一电介质层具有位于突出结构的顶部的上方的多个孔。 执行化学/机械抛光操作以去除电介质层的一部分并暴露孔以形成多个开口。 进行各向异性蚀刻操作以增加这些开口的宽度。 最后,在第一介电层上形成第二电介质层,以完全填充开口。
    • 4. 发明授权
    • Contact barrier layer deposition process
    • 接触阻挡层沉积工艺
    • US07846835B2
    • 2010-12-07
    • US11950319
    • 2007-12-04
    • Tuung LuohChin-Ta SuTa-Hung YangKuang-Chao Chen
    • Tuung LuohChin-Ta SuTa-Hung YangKuang-Chao Chen
    • H01L21/4763
    • H01L21/76841H01L21/2855H01L21/28556
    • A method for depositing a barrier layer onto a substrate is disclosed. A layer of titanium (Ti) is deposited onto the substrate using an ionized metal plasma (IMP) physical vapor deposition process. The IMP process includes: generating gaseous ions, accelerating the gaseous ions towards a titanium target, sputtering the titanium atoms from the titanium target with the gaseous ions, ionizing the titanium atoms using a plasma, and depositing the ionized titanium atoms onto the substrate to form the layer of Ti. A first layer of titanium nitride (TiN) is deposited onto the layer of Ti using a metal organic chemical vapor deposition (MOCVD) process. A second layer of TiN is deposited onto the first layer of TiN using a thermal chemical vapor deposition process. The newly completed barrier layer is annealed in the presence of nitrogen at a temperature of between about 500° C. to about 750° C.
    • 公开了一种在衬底上沉积阻挡层的方法。 使用电离金属等离子体(IMP)物理气相沉积工艺将一层钛(Ti)沉积到衬底上。 IMP过程包括:产生气体离子,将气态离子加速到钛靶,用钛离子溅射钛原子与气态离子,使用等离子体离子化钛原子,并将离子化的钛原子沉积到基底上形成 Ti层。 使用金属有机化学气相沉积(MOCVD)工艺将第一层氮化钛(TiN)沉积到Ti层上。 使用热化学气相沉积工艺将第二层TiN沉积到第一TiN层上。 将新完成的阻挡层在氮气存在下在约500℃至约750℃的温度下进行退火。
    • 7. 发明申请
    • METHOD OF FORMING NON-VOLATILE MEMORY CELL
    • 形成非挥发性记忆细胞的方法
    • US20080194071A1
    • 2008-08-14
    • US11673606
    • 2007-02-12
    • Chin-Tsan YehChih-Hsien LoChin-Ta SuKuang-Chao Chen
    • Chin-Tsan YehChih-Hsien LoChin-Ta SuKuang-Chao Chen
    • H01L21/306
    • H01L21/31053H01L22/26H01L27/115H01L27/11568
    • A method of forming a non-volatile memory cell is provided. The method comprises: (a) providing a substrate; (b) forming a stacking structure on the substrate, the stacking structure at least comprising an oxide-nitride-oxide layer (ONO layer) and a polysilicon layer thereon; (c) patterning the stacking structure to form a plurality of separated stacking units, each two stacking units having an aperture therebetween; (d) forming a source region and a drain region buried in the substrate at two sides of the each stacking unit; (e) forming an oxide layer in the aperture and over the stacking units; and (f) performing a chemical mechanical polishing (CMP) process to remove the oxide layer over the stacking units and outside the aperture.
    • 提供了形成非易失性存储单元的方法。 该方法包括:(a)提供衬底; (b)在所述基板上形成堆叠结构,所述堆叠结构至少包括氧化物 - 氮化物 - 氧化物层(ONO层)和其上的多晶硅层; (c)图案化堆叠结构以形成多个分离的堆叠单元,每个两个堆叠单元在其间具有孔; (d)在每个堆叠单元的两侧形成在基板中埋设的源极区域和漏极区域; (e)在所述孔中和所述堆叠单元上形成氧化物层; 和(f)进行化学机械抛光(CMP)工艺以除去层叠单元上方的氧化物层和孔外。