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    • 62. 发明授权
    • CMOS active pixel sensor
    • CMOS有源像素传感器
    • US07800148B2
    • 2010-09-21
    • US12178169
    • 2008-07-23
    • Jong-Jan LeeSheng Teng HsuDouglas James TweetJer-Shen Maa
    • Jong-Jan LeeSheng Teng HsuDouglas James TweetJer-Shen Maa
    • H01L31/062
    • H01L27/14647
    • A CMOS active pixel sensor includes a silicon-on-insulator substrate having a silicon substrate with an insulator layer formed thereon and a top silicon layer formed on the insulator layer. A stacked pixel sensor cell includes a bottom photodiode fabricated on the silicon substrate, for sensing light of a longest wavelength; a middle photodiode fabricated on the silicon substrate, for sensing light of a medium wavelength, which is stacked above the bottom photodiode; and a top photodiode fabricated on the top silicon layer, for sensing light of a shorter wavelength, which is stacked above the middle and bottom photodiodes. Pixel transistor sets are fabricated on the top silicon layer and are associated with each pixel sensor cell by electrical connections which extend between each of the photodiodes and respective pixel transistor(s). CMOS control circuitry is fabricated adjacent to an array of active pixel sensor cells and electrically connected thereto.
    • CMOS有源像素传感器包括具有在其上形成有绝缘体层的硅衬底和形成在绝缘体层上的顶部硅层的绝缘体上硅衬底。 层叠像素传感器单元包括:制造在硅衬底上的底部光电二极管,用于感测最长波长的光; 制造在硅衬底上的中间光电二极管,用于感测中等波长的光; 和制造在顶部硅层上的顶部光电二极管,用于感测较短波长的光,该光被层叠在中间和底部光电二极管的上方。 像素晶体管组被制造在顶部硅层上,并且通过在每个光电二极管和相应的像素晶体管之间延伸的电连接与每个像素传感器单元相关联。 CMOS控制电路与有源像素传感器单元的阵列相邻并且与其电连接。
    • 64. 发明申请
    • Self-aligned cross point resistor memory array
    • 自对准交叉点电阻存储器阵列
    • US20060246606A1
    • 2006-11-02
    • US11120385
    • 2005-05-02
    • Sheng HsuJong-Jan LeeJer-Shen MaaDouglas TweetWei-Wei Zhuang
    • Sheng HsuJong-Jan LeeJer-Shen MaaDouglas TweetWei-Wei Zhuang
    • H01L21/8234
    • H01L27/101H01L27/2409H01L27/2481H01L45/04H01L45/1233H01L45/147H01L45/1683
    • A method of fabricating resistor memory array includes preparing a silicon substrate; depositing a bottom electrode, a sacrificial layer, and a hard mask layer on a substrate P+ layer; masking, patterning and etching to remove, in a first direction, a portion of the hard mask, the sacrificial material, the bottom electrode; depositing a layer of silicon oxide; masking, patterning and etching to remove, in a second direction perpendicular to the first direction, a portion of the hard mask, the sacrificial material, the bottom electrode;, and over etching to an N+ layer and at least 100 nm of the silicon substrate; depositing of a layer of silicon oxide; etching to remove any remaining hard mask and any remaining sacrificial material; depositing a layer of CMR material; depositing a top electrode; applying photoresist, patterning the photoresist and etching the top electrode; and incorporating the memory array into an integrated circuit.
    • 制造电阻器存储器阵列的方法包括制备硅衬底; 在衬底P +层上沉积底部电极,牺牲层和硬掩模层; 掩模,图案化和蚀刻以在第一方向上去除硬掩模,牺牲材料,底部电极的一部分; 沉积一层氧化硅; 掩模,图案化和蚀刻以在垂直于第一方向的第二方向上去除硬掩模,牺牲材料,底部电极的一部分,并且对N +层和至少100nm的硅衬底进行过蚀刻 ; 沉积一层氧化硅; 蚀刻以除去任何剩余的硬掩模和任何剩余的牺牲材料; 沉积一层CMR材料; 沉积顶部电极; 施加光致抗蚀剂,图案化光致抗蚀剂并蚀刻顶部电极; 并将存储器阵列并入集成电路中。
    • 68. 发明授权
    • Nitride overhang structure for the silicidation of transistor electrodes with shallow junctions
    • 用于具有浅结的晶体管电极的硅化的氮化物突出结构
    • US06339245B1
    • 2002-01-15
    • US09378653
    • 1999-08-20
    • Jer-Shen MaaSheng Teng HsuChien-Hsiung Peng
    • Jer-Shen MaaSheng Teng HsuChien-Hsiung Peng
    • H01L2976
    • H01L29/6659H01L21/28052H01L21/28518H01L29/665H01L29/6656
    • A method of forming a temporary overhang structure to shield the source/drain edges near the gate electrode from the deposition of silicidation metal is provided. The growth of silicide on the source/drain regions remains controlled, without the presence of silicidation metal on the gate electrode sidewalls near the source/drain edges. The resulting silicide layer does not have edge growths interfering with the source/drain junction areas. The overhang structure is formed by covering the gate electrode with two insulators having differing etch selectivities. The top insulator is anisotropically etched so that only the top insulator covering the gate electrode vertical sidewalls remains. The exposed bottom insulator is isotropically etched to form a gap between the top insulator and the source/drain region surfaces. When silicidation metal is deposited, the gap prevents the deposition of metal between the gate electrode and the source/drain region surfaces. A transistor, with an overhang structure, fabricated by the above-mentioned procedure is also provided.
    • 提供了形成临时突出结构以屏蔽栅电极附近的源/漏边缘与沉积硅化金属的方法。 源极/漏极区域上的硅化物的生长保持受控,而在源极/漏极边缘附近的栅电极侧壁上不存在硅化金属。 所得到的硅化物层不具有干扰源极/漏极结区域的边缘增长。 通过用具有不同蚀刻选择性的两个绝缘体覆盖栅电极来形成突出结构。 顶绝缘体被各向异性地蚀刻,使得仅覆盖覆盖栅电极垂直侧壁的顶绝缘体保留。 暴露的底部绝缘体被各向同性地蚀刻以在顶部绝缘体和源极/漏极区域表面之间形成间隙。 当沉积硅化金属时,间隙防止金属沉积在栅电极和源/漏区表面之间。 还提供了通过上述程序制造的具有突出结构的晶体管。
    • 69. 发明授权
    • MOS transistor having shallow source/drain junctions and low leakage current
    • MOS晶体管具有较浅的源/漏结和低漏电流
    • US06218249B1
    • 2001-04-17
    • US09455588
    • 1999-12-06
    • Jer-Shen MaaSheng Teng HsuChien-Hsiung Peng
    • Jer-Shen MaaSheng Teng HsuChien-Hsiung Peng
    • H01L21336
    • H01L21/28518H01L21/28052H01L29/665H01L29/6659
    • A process of forming silicide at uniform rates across the entire source/drain region is provided. A two-step annealing method permits the thickness of the silicide formed on the edge of a silicon electrode to be substantially the same as it is in the center of the electrode. A first, low temperature anneal begins the salicidation process across the source/drain electrode surface. The time and temperature are controlled so that the metal is only partially consumed. The annealing is interrupted to remove excess silicidation metal, especially the unreacted metal overlying oxide areas neighboring the silicon electrode. Then, the silicidation is completed at a higher temperature anneal. Because the excess metal has been removed, the resulting silicide layer is uniformly flat, permitting the transistor to be fabricated with shallow junction areas and low leakage currents. In one embodiment of the invention, the crystalline structure of source and drain surfaces is annihilated before the deposition of metal, to lower annealing temperatures and add precise control to the silicidation process. A transistor having a uniformly thick silicide layer, fabricated in accordance with the above-mentioned method, is also provided.
    • 提供了在整个源极/漏极区域以均匀的速率形成硅化物的工艺。 两步退火方法允许形成在硅电极边缘上的硅化物的厚度与电极中心基本相同。 首先,低温退火开始跨越源/漏电极表面的盐析过程。 控制时间和温度,使得金属仅被部分消耗。 中断退火以去除过量的硅化金属,特别是覆盖与硅电极相邻的氧化物区域的未反应的金属。 然后,在较高温度的退火下完成硅化。 由于去除了多余的金属,所得到的硅化物层是均匀平坦的,从而允许晶体管被制造成具有浅结的区域和低的漏电流。 在本发明的一个实施例中,源极和漏极表面的晶体结构在金属沉积之前被消除,以降低退火温度并且增加对硅化工艺的精确控制。 还提供了具有根据上述方法制造的均匀厚的硅化物层的晶体管。
    • 70. 发明授权
    • Double sidewall raised silicided source/drain CMOS transistor
    • 双侧壁提升硅化源/漏极CMOS晶体管
    • US06368960B1
    • 2002-04-09
    • US09113667
    • 1998-07-10
    • Sheng Teng HsuJer-Shen Maa
    • Sheng Teng HsuJer-Shen Maa
    • H01L21336
    • H01L29/66757H01L21/84H01L27/1203H01L29/665
    • A method of forming a silicided device includes preparing a substrate by forming device areas thereon; providing structures that are located between the substrate and any silicide layers; forming a first layer of a first reactive material over the formed structures; providing insulating regions in selected portions of the structure; forming a second layer of a second reactive material over the insulating regions and the first layer of first reactive material; reacting the first and second reactive materials to form silicide layers; removing any un-reacted reactive material; forming structures that are located on the silicide layers; and metallizing the device.
    • 一种形成硅化器件的方法包括通过在其上形成器件区域来制备衬底; 提供位于衬底和任何硅化物层之间的结构; 在所形成的结构上形成第一反应性材料的第一层; 在结构的选定部分提供绝缘区域; 在所述绝缘区域和所述第一反应性材料层上形成第二反应性材料层; 使第一和第二反应性材料反应形成硅化物层; 去除任何未反应的反应性材料; 形成位于硅化物层上的结构; 并对该装置进行金属化。