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    • 61. 发明授权
    • Method of manufacturing semiconductor device including capacitor element
    • 制造包括电容器元件的半导体器件的方法
    • US08642400B2
    • 2014-02-04
    • US13434177
    • 2012-03-29
    • Tetsuo YoshimuraKenichi WatanabeSatoshi Otsuka
    • Tetsuo YoshimuraKenichi WatanabeSatoshi Otsuka
    • H01L21/20
    • H01G4/005H01G4/228H01G4/33H01L23/5223H01L27/0805H01L2924/0002H01L2924/00
    • A method of manufacturing a semiconductor device includes: forming a first metal film on an insulating film over a substrate; forming a capacitor lower electrode by patterning the first metal film; and forming a dielectric film on upper and side surfaces of the capacitor lower electrode and on the insulating film. The method further includes: forming a conductive protection film on the dielectric film; patterning the conductive protection film into a shape of covering the capacitor lower electrode; forming a capacitor dielectric film in a shape of covering the upper and side surfaces of the capacitor lower electrode, by patterning the dielectric film so that the patterned conductive protection film covers an upper surface of the capacitor dielectric film; forming a second metal film on the patterned conductive protection film; and forming a capacitor upper electrode that covers at least an upper surface of the patterned conductive protection film.
    • 一种制造半导体器件的方法包括:在衬底上的绝缘膜上形成第一金属膜; 通过图案化第一金属膜形成电容器下电极; 并且在电容器下电极的上表面和侧表面上以及绝缘膜上形成电介质膜。 该方法还包括:在电介质膜上形成导电保护膜; 将导电保护膜图案化成覆盖电容器下电极的形状; 通过对所述电介质膜进行构图来形成覆盖所述电容器下电极的上表面和所述侧表面的电容器电介质膜,使得所述图案化的导电保护膜覆盖所述电容器电介质膜的上表面; 在图案化的导电保护膜上形成第二金属膜; 以及形成覆盖图案化的导电保护膜的至少上表面的电容器上电极。
    • 64. 发明授权
    • Semiconductor device including capacitor
    • 半导体器件包括电容器
    • US08592884B2
    • 2013-11-26
    • US13426014
    • 2012-03-21
    • Kenichi Watanabe
    • Kenichi Watanabe
    • H01L27/108
    • H01L21/486H01L23/5223H01L23/5226H01L28/40H01L28/60H01L2924/0002H01L2924/00
    • A substrate is provided with a first wiring layer 111, an interlayer insulating film 132 on the first wiring layer 111, a hole 112A formed in the interlayer insulating film, a first metal layer 112 covering the hole 112A, a second metal layer 113 formed in the hole 112A, a dielectric insulating film 135 on the first metal layer 112, and second wiring layers 114-116 on the dielectric insulating film 135, wherein the first metal layer 112 constitutes at least part of the lower electrode, an area, facing the lower electrode, of the second wiring layers 114-116 constitutes the upper electrode, and a capacitor 160 is constructed of the lower electrode, the dielectric insulating film 135 and the upper electrode P1.
    • 基板在第一布线层111上设置有第一布线层111,层间绝缘膜132,形成在层间绝缘膜中的孔112A,覆盖孔112A的第一金属层112,形成在第一布线层111上的第二金属层113 孔112A,第一金属层112上的介电绝缘膜135和介电绝缘膜135上的第二布线层114-116,其中第一金属层112构成下电极的至少一部分,面向 第二布线层114-116的下电极构成上电极,电容器160由下电极,电介质绝缘膜135和上电极P1构成。
    • 67. 发明授权
    • Semiconductor device
    • 半导体器件
    • US08264064B2
    • 2012-09-11
    • US12702729
    • 2010-02-09
    • Kenichi Watanabe
    • Kenichi Watanabe
    • H01L29/06
    • H01L23/585H01L2924/0002H01L2924/00
    • A semiconductor device includes a semiconductor substrate on which an internal circuit is formed in a central position an insulating layer formed over the semiconductor substrate, and a moisture-resistant ring formed by a metal plug embedded in the insulating layer, the moisture-resistant ring surrounding the internal circuit, the moisture-resistant ring extending over the semiconductor substrate in a shape, the moisture-resistant ring including a first extending portion linearly extending in a first direction in parallel to the surface of the semiconductor substrate, a vertical portion connected to the first extending portion extending in a second direction orthogonal to the first extending portion, and a second extending portion orthogonal to the vertical portion and parallel to the surface of the semiconductor substrate, the second extending portion spaced apart from the first extending portion, the second extending portion crossing the vertical portion.
    • 半导体器件包括半导体衬底,其中在内部电路在中心位置形成在半导体衬底上形成的绝缘层,以及由嵌入绝缘层中的金属插塞形成的防潮环,围绕 所述内部电路,所述防湿环形成为在所述半导体基板上延伸的形状,所述防湿环包括与所述半导体基板的表面平行的第一方向上直线延伸的第一延伸部, 第一延伸部分,其在与第一延伸部分正交的第二方向上延伸;以及第二延伸部分,其垂直于垂直部分并平行于半导体基板的表面,第二延伸部分与第一延伸部分间隔开,第二延伸部分 横穿垂直部分的部分。
    • 68. 发明授权
    • Semiconductor device having capacitor capable of reducing additional processes and its manufacture method
    • 具有能够减少附加工艺的电容器的半导体器件及其制造方法
    • US08264062B2
    • 2012-09-11
    • US11505945
    • 2006-08-18
    • Kenichi Watanabe
    • Kenichi Watanabe
    • H01L27/108H01L21/8242H01L29/00
    • H01L23/5223H01L21/76802H01L21/76832H01L21/76834H01L2924/0002H01L2924/00
    • A first capacitor recess and a wiring trench are formed through an interlayer insulating film. A lower electrode fills the first capacitor recess, and a first wiring fills the wiring trench. An etching stopper film and a via layer insulating film are disposed over the interlayer insulating film. A first via hole extends through the via layer insulating film and etching stopper film and reaches the first wiring, and a first plug fills the first via hole. A second capacitor recess is formed through the via layer insulating film, the second capacitor recess at least partially overlapping the lower electrode, as viewed in plan. The upper electrode covers the bottom and side surfaces of the second capacitor recess. A capacitor is constituted of the upper electrode, etching stopper film and lower electrode. A second wring connected to the first plug is formed over the via layer insulating film.
    • 通过层间绝缘膜形成第一电容器凹部和布线沟槽。 下部电极填充第一电容器凹部,并且第一布线填充布线沟槽。 蚀刻停止膜和通孔层绝缘膜设置在层间绝缘膜上。 第一通孔延伸穿过通孔层绝缘膜和蚀刻阻挡膜并到达第一布线,并且第一插头填充第一通孔。 通过通孔层绝缘膜形成第二电容器凹部,第二电容器凹部至少部分地与下电极重叠,如图所示。 上电极覆盖第二电容器凹部的底表面和侧表面。 电容器由上电极,蚀刻停止膜和下电极构成。 连接到第一插头的第二连接件形成在通孔层绝缘膜上。