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    • 31. 发明授权
    • Structure and method for thin box SOI device
    • 薄盒SOI器件的结构和方法
    • US07217604B2
    • 2007-05-15
    • US10906014
    • 2005-01-31
    • Toshiharu FurukawaCarl J. RadensWilliam R. TontiRichard Q. Williams
    • Toshiharu FurukawaCarl J. RadensWilliam R. TontiRichard Q. Williams
    • H01L21/84
    • H01L29/66772H01L29/665H01L29/78606H01L29/78612
    • A method of forming a semiconductor device, including providing a substrate having a first insulative layer on a surface of the substrate, and a device layer on a surface of the first insulative layer, forming a spacer around the first insulative layer and the device layer, removing a portion of the substrate adjacent to the first insulative layer in a first region and a non-adjacent second region of the substrate, such that an opening is formed in the first and second regions of the substrate, leaving the substrate adjacent to the first insulative layer in a third region of the substrate, filling the opening within the first and second regions of the substrate, planarizing a surface of the device, and forming a device within the device layer, such that diffusion regions of the device are formed within the device layer above the first and second regions of the substrate, and a channel region of the device is formed above the third region of the substrate.
    • 一种形成半导体器件的方法,包括在所述衬底的表面上提供具有第一绝缘层的衬底以及在所述第一绝缘层的表面上的器件层,在所述第一绝缘层和所述器件层周围形成间隔物, 在衬底的第一区域和不相邻的第二区域中移除邻近第一绝缘层的衬底的一部分,使得在衬底的第一和第二区域中形成开口,使衬底与第一绝缘层相邻, 在衬底的第三区域中的绝缘层,填充衬底的第一和第二区域内的开口,使器件的表面平坦化,以及在器件层内形成器件,使得器件的扩散区域形成在 器件层在衬底的第一和第二区域之上,并且器件的沟道区形成在衬底的第三区域上方。
    • 33. 发明授权
    • NVRAM array device with enhanced write and erase
    • NVRAM阵列器件具有增强的写和擦除功能
    • US06445029B1
    • 2002-09-03
    • US09695151
    • 2000-10-24
    • Chung H. LamRichard Q. Williams
    • Chung H. LamRichard Q. Williams
    • H01L2976
    • H01L21/28273H01L27/115H01L29/42336
    • Increased write and erase tunnelling currents are developed by enhancement of an electric field near a floating gate with a shaped edge structure overlapping a source/drain diffusion and developing increased floating gate area with angled regions joined by edges in order to reduce write and erase cycle times. The edge structure is formed by selective and preferential etching in accordance with the crystal structure of a monocrystalline semiconductor substrate. The sharpness of the edges and concentration of the electric field may be enhanced by consumption and stress effects of oxidation of the substrate to form a floating gate insulator.
    • 增加的写和擦除隧道电流是通过增强浮置栅极附近的电场而形成的,具有与源极/漏极扩散重叠的成形边缘结构,并且通过边缘连接成角度的区域显影增大的浮动栅极区域,以减少写入和擦除周期时间 。 根据单晶半导体衬底的晶体结构,通过选择性和优先蚀刻形成边缘结构。 边缘的锐度和电场的浓度可以通过基板的氧化的消耗和应力效应来增强,从而形成浮栅绝缘体。
    • 34. 发明授权
    • Circuit analysis using transverse buckets
    • 使用横向铲斗的电路分析
    • US08453100B2
    • 2013-05-28
    • US12873554
    • 2010-09-01
    • Dureseti ChidambarraoRichard Q. Williams
    • Dureseti ChidambarraoRichard Q. Williams
    • G06F17/50
    • G06F17/5081
    • A method (and computer program) identify shapes and locations of transistor elements within a geometric circuit layout. The transistor elements include an active area, at least one gate conductor and other transistor elements. Also, the gate conductor has sides running in a first direction, and has a width dimension running in a second direction perpendicular to the first direction. The method defines regions within the geometric circuit layout. To do so, the method defines a first region having a perimeter positioned along the sides of the gate conductor where the gate conductor intersects the active area and then expands the perimeter of the first region in the second direction to edges of the active area to define a perimeter of a second region. The first region and the second share perimeters in the first direction. The method then expands the perimeter of the second region in the first direction to define a perimeter of a third region. The second region and the third region share perimeters in the second direction. The method then separately evaluates effects the other transistor elements have within each of the first region, the second region, and the third region, to determine a characteristic of the gate conductor.
    • 方法(和计算机程序)识别晶体管元件在几何电路布局内的形状和位置。 晶体管元件包括有源区,至少一个栅极导体和其它晶体管元件。 此外,栅极导体具有沿第一方向延伸的侧面,并且具有沿垂直于第一方向的第二方向延伸的宽度尺寸。 该方法定义几何电路布局内的区域。 为此,该方法限定了具有沿着栅极导体的侧面定位的周边的第一区域,其中栅极导体与有源区域相交,然后在第二方向上将第一区域的周边扩展到有源区域的边缘,以限定 第二区域的周边。 第一个区域和第二个共享周边的第一个方向。 该方法然后在第一方向上扩展第二区域的周边以限定第三区域的周长。 第二区域和第三区域在第二方向共享周边。 该方法然后分别评估其它晶体管元件在第一区域,第二区域和第三区域内的效应,以确定栅极导体的特性。
    • 35. 发明申请
    • SEMICONDUCTOR-ON-INSULATOR (SOI) STRUCTURE WITH SELECTIVELY PLACED SUB-INSULATOR LAYER VOID(S) AND METHOD OF FORMING THE SOI STRUCTURE
    • 具有选择性的绝缘子层绝缘体的半导体绝缘体(SOI)结构和形成SOI结构的方法
    • US20120018806A1
    • 2012-01-26
    • US12842146
    • 2010-07-23
    • Toshiharu FurukawaRobert R. RobisonRichard Q. Williams
    • Toshiharu FurukawaRobert R. RobisonRichard Q. Williams
    • H01L27/12H01L21/84
    • H01L29/66477H01L21/02104H01L21/84H01L27/1203H01L29/78648H01L29/78654
    • Disclosed is a semiconductor-on-insulator (SOI) structure having sub-insulator layer void(s) selectively placed in a substrate so that capacitance coupling between a first section of a semiconductor layer and the substrate will be less than capacitance coupling between a second section of the semiconductor layer and the substrate. The first section may contain a first device on an insulator layer and the second section may contain a second device on the insulator layer. Alternatively, the first and second sections may comprise different regions of the same device on an insulator layer. For example, in an SOI field effect transistor (FET), sub-insulator layer voids can be selectively placed in the substrate below the source, drain and/or body contact diffusion regions, but not below the channel region so that capacitance coupling between the these various diffusion regions and the substrate will be less than capacitance coupling between the channel region and the substrate. Also, disclosed is an associated method of forming such an SOI structure.
    • 公开了一种绝缘体半导体(SOI)结构,其具有选择性地放置在衬底中的次绝缘体层空穴,使得半导体层的第一部分与衬底之间的电容耦合将小于第二 半导体层和衬底的截面。 第一部分可以包含绝缘体层上的第一器件,第二部分可以在绝缘体层上包含第二器件。 或者,第一和第二部分可以包括绝缘体层上相同器件的不同区域。 例如,在SOI场效应晶体管(FET)中,可以将子绝缘体层空隙选择性地放置在源极,漏极和/或体接触扩散区域下方的衬底中,但不能在沟道区域下方,使得电容耦合 这些各种扩散区域和衬底将小于沟道区域和衬底之间的电容耦合。 此外,公开了形成这种SOI结构的相关方法。
    • 37. 发明申请
    • AUTOMATED OPTIMIZATION OF DEVICE STRUCTURE DURING CIRCUIT DESIGN STAGE
    • 电路设计阶段的器件结构自动优化
    • US20090144670A1
    • 2009-06-04
    • US11946937
    • 2007-11-29
    • Dureseti ChidambarraoJason HibbelerRichard Q. Williams
    • Dureseti ChidambarraoJason HibbelerRichard Q. Williams
    • G06F17/50
    • G06F17/5081
    • A method of improving a circuit design for a very large scale integrated circuit is provided which represents a plurality of semiconductor devices interconnected in a circuit. It is determined whether an edge of a feature of one of the plurality of semiconductor devices in the design can be moved in a first direction by a distance within a permitted range, such that a performance goal and a matching goal for the circuit are served. If so, the edge is moved in the first direction by the distance calculated to best serve the performance goal and the matching goal. The foregoing steps may be repeated for each of the plurality of semiconductor devices. If necessary, the foregoing steps may be repeated until the performance goal and matching goal for the circuit are deemed to be adequately served.
    • 提供了一种改进用于大规模集成电路的电路设计的方法,其表示在电路中互连的多个半导体器件。 确定设计中的多个半导体器件中的一个的特征的边缘是否可以在第一方向上移动允许范围内的距离,使得提供电路的性能目标和匹配目标。 如果是这样,边缘沿第一个方向移动计算的距离,以最佳地满足性能目标和匹配目标。 对于多个半导体器件中的每一个可以重复上述步骤。 如果需要,可以重复上述步骤,直到电路的性能目标和匹配目标被认为是充分的。