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    • 6. 发明授权
    • Interconnect structure and method for fabricating the same
    • 互连结构及其制造方法
    • US06992393B2
    • 2006-01-31
    • US10708848
    • 2004-03-29
    • Tse-Yao HuangYi-Nan ChenChih-Ching Lin
    • Tse-Yao HuangYi-Nan ChenChih-Ching Lin
    • H01L23/48H01L23/52
    • H01L21/7685H01L21/76802H01L21/76832H01L21/76837
    • A method for fabricating interconnects is provided. The method comprises forming a conducting line on a first dielectric layer; forming a first liner layer on the surfaces of the first dielectric layer and the conducting line; forming a second liner layer on the first liner layer; forming a second dielectric layer on the second liner layer, wherein the etching selectivity rate of the second dielectric layer is higher than the etching selectivity rate of the second liner; and patterning the second dielectric layer to form a contact window opening through the second liner layer and the first liner layer to expose the surface of the conducting line. Because the second dielectric layer having an etching rate higher than the etching rate of the second liner layer, the second liner layer can be used as an etch stop layer while patterning the second dielectric layer.
    • 提供一种用于制造互连的方法。 该方法包括在第一电介质层上形成导线; 在所述第一介电层和所述导电线的表面上形成第一衬里层; 在所述第一衬里层上形成第二衬里层; 在所述第二衬里层上形成第二电介质层,其中所述第二电介质层的蚀刻选择率高于所述第二衬垫的蚀刻选择率; 以及图案化所述第二电介质层以形成穿过所述第二衬垫层和所述第一衬里层的接触窗口,以露出所述导电线的表面。 由于第二电介质层的蚀刻速率高于第二衬垫层的蚀刻速率,所以第二衬里层可以用作蚀刻停止层,同时构图第二介电层。
    • 7. 发明授权
    • Method of forming geometric deep trench capacitors
    • 形成几何深沟槽电容器的方法
    • US06964926B2
    • 2005-11-15
    • US10727924
    • 2003-12-04
    • Tse-Yao HuangYi-Nan ChenTzu-Ching Tsai
    • Tse-Yao HuangYi-Nan ChenTzu-Ching Tsai
    • H01L21/20H01L21/308H01L21/334H01L21/762H01L21/8242H01L27/108
    • H01L27/1087H01L27/10829H01L29/66181Y10S438/942
    • A method of forming capacitors with geometric deep trenches. First, a substrate with a pad structure formed thereon is provided, and a first hard mask layer is formed on the pad structure. Next, a second hard mask layer is formed on the first hard mask layer. Next, a spacer layer is formed in the first opening on the first hard mask layer to expose a second opening. Next, a third hard mask layer is filled the second opening, and the spacer layer is removed. Next, the first hard mask layer is etched to expose a third opening with a salient of the first hard mask layer, with the second hard mask layer and the third hard mask layer acting as masks. Finally, the first hard mask layer, the pad structure, and the substrate are etched to form a geometric deep trench.
    • 一种形成具有几何深沟槽的电容器的方法。 首先,提供在其上形成有衬垫结构的衬底,并且在衬垫结构上形成第一硬掩模层。 接着,在第一硬掩模层上形成第二硬掩模层。 接下来,在第一硬掩模层上的第一开口中形成间隔层以露出第二开口。 接下来,在第二开口填充第三硬掩模层,并且移除间隔层。 接下来,第一硬掩模层被蚀刻以暴露具有第一硬掩模层的凸起的第三开口,第二硬掩模层和第三硬掩模层用作掩模。 最后,蚀刻第一硬掩模层,焊盘结构和衬底以形成几何深沟槽。
    • 8. 发明授权
    • Method of filling bit line contact via
    • 填充位线接触的方法
    • US06908840B2
    • 2005-06-21
    • US10640096
    • 2003-08-13
    • Tse-Yao HuangYi-Nan Chen
    • Tse-Yao HuangYi-Nan Chen
    • H01L21/60H01L21/768H01L21/8242H01L21/44H01L21/4763
    • H01L21/76897H01L21/76802H01L21/76834H01L21/76847H01L27/10873H01L27/10888
    • A method of filling a bit line contact via. The method includes providing a substrate having a transistor, with a gate electrode, drain region, and source region, on the substrate, forming a first barrier layer overlying the sidewall of the gate electrode, drain region, and source region, forming a first conductive layer overlying the first barrier layer, removing the first barrier layer and first conductive layer above the source region, forming an insulating barrier layer overlying the substrate, forming a first dielectric layer overlying the insulating barrier layer above the source region, forming a second dielectric layer overlying the substrate, forming a via through the second dielectric layer and the insulative barrier layer, exposing the first conductive layer, forming a second barrier layer overlying the surface of the via, and filling the via with a second conductive layer.
    • 填充位线接触通孔的方法。 该方法包括在衬底上提供具有栅电极,漏极区和源极区的晶体管的衬底,形成覆盖在栅电极,漏区和源极区的侧壁上的第一势垒层,形成第一导电 层,覆盖第一阻挡层,去除源极区上方的第一阻挡层和第一导电层,形成覆盖在衬底上的绝缘阻挡层,形成覆盖在源区上方的绝缘阻挡层的第一介电层,形成第二介电层 覆盖衬底,通过第二电介质层和绝缘阻挡层形成通孔,暴露第一导电层,形成覆盖通孔表面的第二阻挡层,并用第二导电层填充通孔。
    • 9. 发明授权
    • Method of fabricating a semiconductor device
    • 制造半导体器件的方法
    • US07807558B2
    • 2010-10-05
    • US11933732
    • 2007-11-01
    • Tzu-Ching TsaiTse-Yao HuangYi-Nan Chen
    • Tzu-Ching TsaiTse-Yao HuangYi-Nan Chen
    • H01L21/3205H01L21/4763
    • H01L21/02063H01L21/02071H01L21/32137
    • A method of fabricating a semiconductor device is provided. The method of fabricating the semiconductor device comprises providing a substrate. Next, an insulating layer, a conductive layer and a silicide layer are formed on the substrate in sequence. Next, a hard masking layer is formed on the silicide layer exposing a portion of the silicide layer. A first etching step is performed to remove the silicide layer and the underlying conductive layer which are not covered by the hard masking layer, thereby forming a gate stack. And next, a second etching step is performed to remove any remaining conductive layer not covered by the hard masking layer after the first etching step. The second etching step is performed with an etchant comprising ammonium hydroxide.
    • 提供一种制造半导体器件的方法。 制造半导体器件的方法包括提供衬底。 接下来,依次在基板上形成绝缘层,导电层和硅化物层。 接下来,在暴露硅化物层的一部分的硅化物层上形成硬掩模层。 执行第一蚀刻步骤以去除未被硬掩模层覆盖的硅化物层和下面的导电层,从而形成栅极堆叠。 接下来,执行第二蚀刻步骤以在第一蚀刻步骤之后去除未被硬掩模层覆盖的剩余导电层。 用包含氢氧化铵的蚀刻剂进行第二蚀刻步骤。