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    • 61. 发明申请
    • SOFT ERROR PROTECTION STRUCTURE EMPLOYING A DEEP TRENCH
    • 使用深度感应器的软错误保护结构
    • US20090224304A1
    • 2009-09-10
    • US12045190
    • 2008-03-10
    • Ethan H. CannonJohn E. Barth, JR.Kerry Bernstein
    • Ethan H. CannonJohn E. Barth, JR.Kerry Bernstein
    • H01L27/105H01L21/8232
    • H01L29/66181G11C5/005H01L21/765H01L27/0629H01L27/11H01L29/945
    • A deep trench containing a doped semiconductor fill portion having a first conductivity type doping and surrounded by a buried plate layer having a second conductivity type doping at a lower portion is formed in a semiconductor layer having a doping of the first conductivity type. A doped well of the second conductivity type abutting the buried plate layer is formed. The doped semiconductor fill portion functions as a temporary reservoir for electrical charges of the first conductivity type that are generated by a radiation particle, and the buried plate layer functions as a temporary reservoir for electrical charges of the second conductivity type. The buried plate layer and the doped semiconductor fill portion forms a capacitor, and provides protection from soft errors to devices formed in the semiconductor layer or the doped well.
    • 在具有第一导电类型的掺杂的半导体层中形成包含掺杂半导体填充部分的深沟槽,该掺杂半导体填充部分具有第一导电类型掺杂并被由下部具有第二导电类型掺杂的掩埋板包围。 形成与掩埋板层相邻的第二导电类型的掺杂阱。 掺杂半导体填充部分用作由辐射颗粒产生的第一导电类型的电荷的临时储存器,并且掩埋板层用作第二导电类型的电荷的临时储存器。 掩埋板层和掺杂半导体填充部分形成电容器,并且提供对软错误的保护以防止在半导体层或掺杂阱中形成的器件。
    • 69. 发明授权
    • Circuitry and methodology to establish correlation between gate dielectric test site reliability and product gate reliability
    • 电路和方法建立栅介质测试点可靠性与产品门可靠性之间的相关性
    • US07298161B2
    • 2007-11-20
    • US11088953
    • 2005-03-24
    • Kerry BernsteinRonald J. BolamEdward J. NowakAlvin W. StrongJody J. Van HornErnest Y. Wu
    • Kerry BernsteinRonald J. BolamEdward J. NowakAlvin W. StrongJody J. Van HornErnest Y. Wu
    • G01R31/26
    • G01R31/2855
    • A method and system for predicting gate reliability. The method comprises the steps of stressing a gate dielectric test site to obtain gate dielectric test site data and using the test site data to predict gate reliability. Preferably, the test structure and the product structure are integrated in such a manner that a test site occupies some of the product area and the product itself occupies the remainder of the product area. A preferred methodology, more specifically, is as follows: (1) Test structures at start both in parallel stress mode and in ring oscillator or “product” mode; (2) Analyze the breakdown data as per the present state of the art for each of the areas based on the parallel stress mode; (3) Combine the above breakdown distributions using the area scaling to improve the confidence bounds of the Weibull slope of the cumulative distribution function; (4) Test the ring oscillators in the product mode to determine how many of the stress fails are also product fails as defined by an operational degradation; (5) Subdivide the failures to determine the relationship between the first fail, and the second fail, and the nth fail; (6) Investigate which stress fail, if not the first stress fail, is more likely to cause a product fail as defined by operational degradation; and (7) Based on the subdivision in step 5 and the results in step 6, make projection based on that fail which is most likely to cause fail. The methodology as outlined above bridges between dielectric stress fails and product degradation both in the case of each stress fail causing a product degradation, as well as in the case where more than one stress fail occurs before any product degradation occurs. And this relationship can be quantified.
    • 一种用于预测门可靠性的方法和系统。 该方法包括以下步骤:施加栅极电介质测试点以获得栅极介电测试点数据,并使用测试点数据来预测栅极的可靠性。 优选地,测试结构和产品结构以这样的方式集成,使得测试位置占据产品区域中的一些,并且产品本身占据产品区域的其余部分。 更具体地说,优选的方法如下:(1)并联应力模式和环形振荡器或“产品”模式下的测试结构; (2)根据平行应力模式分析每个区域的现有技术状况; (3)使用面积缩放结合上述分解分布,以提高累积分布函数的威布尔斜率的置信范围; (4)在产品模式下测试环形振荡器,以确定应力失效的数量是否也是由操作退化定义的产品故障; (5)细分失败,确定第一个失败与第二个失败之间的关系,第n个失败; (6)调查哪些压力失败,如果不是第一次压力失败,更有可能导致产品按作业退化所定义的失效; 和(7)基于步骤5中的细分和步骤6中的结果,基于最可能导致失败的失败进行投影。 如上所述的方法在介电应力失效和产物退化两者之间,在每个应力失效导致产物降解的情况下,以及在任何产物降解发生之前发生多于一个应力失效的情况下。 这种关系可以量化。