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    • 41. 发明授权
    • Integrated antifuse structure for FINFET and CMOS devices
    • 用于FINFET和CMOS器件的集成反熔丝结构
    • US07087499B2
    • 2006-08-08
    • US10539333
    • 2002-12-20
    • Jed H. RankinWagdi W. AbadeerJeffrey S. BrownWilliam R. Tonti
    • Jed H. RankinWagdi W. AbadeerJeffrey S. BrownWilliam R. Tonti
    • H01L21/76
    • H01L21/84H01L27/1203H01L29/785
    • A method is described for fabricating and antifuse structure (100) integrated with a semiconductor device such as a FINFET or planar CMOS devise. A region of semiconducting material (11) is provided overlying an insulator (3) disposed on a substrate (10); an etching process exposes a plurality of corners (111–114) in the semiconducting material. The exposed corners are oxidized to form elongated tips (111t–114t) at the corners; the oxide (31) overlying the tips is removed. An oxide layer (51), such as a gate oxide, is then formed on the semiconducting material and overlying the corners; this layer has a reduced thickness at the corners. A layer of conducting material (60) is formed in contact with the oxide layer (51) at the corners, thereby forming a plurality of possible breakdown paths between the semiconducting material and the layer of conducting material through the oxide layer. Applying a voltage, such as a burn-in voltage, to the structure converts at least one of the breakdown paths to a conducting path (103, 280).
    • 描述了与半导体器件(例如FINFET或平面CMOS器件)集成的制造和反熔丝结构(100)的方法。 设置在设置在基板(10)上的绝缘体(3)上的半导体材料(11)的区域; 蚀刻工艺暴露了半导体材料中的多个拐角(111-114)。 露出的角部被氧化,以形成角落处的细长尖端(111t-114t); 去除顶部上方的氧化物(31)。 然后在半导体材料上形成氧化物层(例如栅极氧化物),并覆盖在角部上; 该层在拐角处具有减小的厚度。 在角部处形成与氧化物层(51)接触的导电材料层(60),从而通过氧化物层在半导体材料和导电材料层之间形成多个可能的击穿路径。 将诸如老化电压的电压施加到结构将至少一个击穿路径转换成导电路径(103,280)。
    • 43. 发明授权
    • Apparatus and method for non-contact stress evaluation of wafer gate dielectric reliability
    • 晶圆栅介质可靠性非接触应力评估装置及方法
    • US06326732B1
    • 2001-12-04
    • US09250880
    • 1999-02-16
    • Wagdi W. AbadeerEduard A. CartierJames H. Stathis
    • Wagdi W. AbadeerEduard A. CartierJames H. Stathis
    • H01J724
    • G01R31/2623G01R31/275
    • An apparatus and method for evaluating the performance of a test dielectric material for use as a gate dielectric. The method comprises exposing a coated layer of the dielectric to a concentration of atomic hydrogen. The method may comprise (a) measuring an initial value of interface-state density in the test dielectric, (b) exposing the coated test dielectric to a concentration of atomic hydrogen in a remote plasma, and then (c) measuring a post-exposure value of interface-state density in the test dielectric. Steps (b) and (c) may be repeated with incrementally higher concentrations of atomic hydrogen to determine a rate of change in interface-state density value as a function of atomic hydrogen concentration, which may then be related to the projected charge-to-breakdown or time-to-breakdown of the test dielectric layer when the dielectric is used as the gate dielectric. The method may be conducted on a remote-plasma hydrogen exposure apparatus comprising, in series, a source of a mixture of molecular and atomic hydrogen gas; a particle remover adapted to remove energetic, charged particles; a light sink; a hydrogen recombination device; and a wafer exposure chamber.
    • 用于评估用作栅极电介质的测试电介质材料的性能的装置和方法。 该方法包括将电介质的涂层暴露于原子氢浓度。 该方法可以包括(a)测量测试电介质中的界面态密度的初始值,(b)将涂覆的测试电介质暴露于远程等离子体中的原子氢浓度,然后(c)测量曝光后 测试电介质中界面态密度的值。 步骤(b)和(c)可以用逐渐增加的原子氢浓度重复,以确定作为原子氢浓度的函数的界面态密度值的变化率,其然后可能与预计的电荷 - 当电介质用作栅极电介质时,测试电介质层的击穿或击穿时间。 该方法可以在远程等离子体氢曝光装置上进行,该装置包括串联的分子和原子氢气混合物的源; 适于去除高能充电颗粒的颗粒去除剂; 一个光汇 氢复合装置; 和晶片曝光室。
    • 50. 发明授权
    • CMOS image sensor having a third FET device with the gate terminal coupled to the diffusion region of a first FET device, the second terminal coupled to a column signal line, and the first terminal coupled to a row select signal
    • CMOS图像传感器具有第三FET器件,栅极端子耦合到第一FET器件的扩散区域,第二端子耦合到列信号线,第一端子耦合到行选择信号
    • US07791010B2
    • 2010-09-07
    • US12117159
    • 2008-05-08
    • Wagdi W. Abadeer
    • Wagdi W. Abadeer
    • H01L27/00
    • H04N5/361H01L27/14609H01L27/14645H04N5/37213H04N5/3741
    • A design structure for a CMOS image sensor and active pixel cell design that provides an output signal representing an incident illumination light level that is adapted for time domain analysis. Thus, the noise sources associated with charge integration and the contribution of dark current to it, is avoided. The active pixel cell design implements only three FETs: a transfer device, a reset device and an output transistor device having one diffusion connected to a Row Select signal. In this mode of operation, use is made of the voltage decay at the photo diode to generate a pixel output at one diffusion of the output transistor device, which is a pulse with fixed amplitude independent of the incident illumination level. For use of an NFET output transistor device, the pulse width is an inverse function of the incident illumination level. For a PFET output transistor device, the output pulse has a time delay, from a reference signal, by an amount that is an inverse function of the incident illumination level.
    • 用于CMOS图像传感器和有源像素单元设计的设计结构,其提供表示适于时域分析的入射照明光水平的输出信号。 因此,避免了与电荷积分相关的噪声源和暗电流对其的贡献。 有源像素单元设计仅实现三个FET:传输装置,复位装置和具有连接到行选择信号的一个扩散的输出晶体管装置。 在这种操作模式中,使用光电二极管处的电压衰减,以在输出晶体管器件的一个扩散处产生像素输出,输出晶体管器件是具有独立于入射照明电平的固定振幅的脉冲。 对于使用NFET输出晶体管器件,脉冲宽度是入射照明电平的反函数。 对于PFET输出晶体管器件,输出脉冲具有来自参考信号的时间延迟与入射照明电平的反函数的量。