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    • 46. 发明授权
    • Method for efficiently determining a fermi-dirac integrals
    • 有效确定费米尔 - 迪拉克积分的方法
    • US6101519A
    • 2000-08-08
    • US98909
    • 1998-06-17
    • James A. Slinkman
    • James A. Slinkman
    • G06F17/10G06F7/38
    • G06F17/10
    • A computer implemented method for efficiently evaluating a Fourier sine/cosine transform of a bounded analytical function is described. The transform is computed in a plurality of steps which reduces the required transform to a sum of two terms which can be efficiently evaluated using a digital computer. The computer evaluates the first and second terms as definite integrals. The first integral is evaluated via standard techniques, and the second integral is evaluated as a definite integral of a sum of terms which converges. The method is advantageously used to provide a model of semiconductor devices which takes into account quantum mechanical effects while minimizing compute operation time. A look-up table of semiconductor carrier density versus spatially dependent field values can optionally be constructed.
    • 描述了一种用于有效评估有界分析函数的傅里叶正弦/余弦变换的计算机实现方法。 在多个步骤中计算变换,其将所需变换减少到可以使用数字计算机有效评估的两个项的和。 计算机将第一和第二项评估为定积分。 第一个积分通过标准技术进行评估,第二个积分被评估为收敛的项的总和的一个积分。 该方法有利地用于提供在最小化计算操作时间的同时考虑量子力学效应的半导体器件的模型。 可以可选地构建半导体载流子密度与空间依赖场值的查找表。
    • 48. 发明授权
    • Structure and method for enhanced triple well latchup robustness
    • 增强三井闭锁鲁棒性的结构和方法
    • US07442996B2
    • 2008-10-28
    • US11275644
    • 2006-01-20
    • David S. CollinsJames A. SlinkmanSteven H. Voldman
    • David S. CollinsJames A. SlinkmanSteven H. Voldman
    • H01L29/76
    • H01L27/0928H01L21/761H01L27/0921H01L29/1087
    • Disclosed is a triple well CMOS device structure that addresses the issue of latchup by adding an n+ buried layer not only beneath the p-well to isolate the p-well from the p− substrate but also beneath the n-well. The structure eliminates the spacing issues between the n-well and n+ buried layer by extending the n+ buried layer below the entire device. The structure also addresses the issue of threshold voltage scattering by providing a p+ buried layer below the entire device under the n+ buried layer or below the p-well side of the device only either under or above the n+ buried layer) Latchup robustness can further be improved by incorporating into the device an isolation structure that eliminates lateral pnp, npn, or pnpn devices and/or a sub-collector region between the n+ buried layer and the n-well.
    • 公开了一种三阱CMOS器件结构,其通过在p阱下面添加n +掩埋层来解决闭锁的问题,以将p阱与p-衬底隔离,但也在n阱下方。 该结构通过将n +掩埋层延伸到整个器件的下方来消除n阱和n +掩埋层之间的间隔问题。 该结构还通过在n +掩埋层下方的整个器件下方或仅在器件的p阱侧下面的p +掩埋层提供阈值电压散射的问题,仅在n +掩埋层之下或之上)锁存稳健性可以进一步 通过将在n +掩埋层和n阱之间消除侧向pnp,npn或pnpn器件和/或子集电极区域的隔离结构结合到器件中来改进。
    • 49. 发明授权
    • Symmetric device with contacts self aligned to gate
    • 触点自对准的对称装置
    • US06946376B2
    • 2005-09-20
    • US10173950
    • 2002-06-17
    • Juan A. ChediakRandy W. MannJames A. Slinkman
    • Juan A. ChediakRandy W. MannJames A. Slinkman
    • H01L21/28H01L21/336H01L21/60H01L21/768H01L23/485H01L23/522H01L29/78
    • H01L21/76897H01L21/76838H01L23/485H01L2924/0002H01L2924/00
    • A method of forming conductive contacts to drain and source regions of a semiconductor device such as a field effect transistor (FET). A gate structure is formed over a portion of a semiconductor substrate, wherein the gate structure includes: a gate dielectric on a surface of the semiconductor substrate, a conductive gate aligned on the gate dielectric, a silicide layer aligned on the conductive gate, and a silicon nitride cap aligned on the silicide layer. Insulative spacers are formed on sidewalls of the gate structure, and the insulative spacers contact the semiconductor substrate. A drain region and a source region are formed within the semiconductor substrate, wherein a channel region is disposed between the drain region and the source region, and wherein the gate structure is over the channel region. After an insulative region containing a photosensitive material, such as boro-phoso-silicate glass, is formed over the gate structure and the semiconductor substrate, a cavity over the drain region and a cavity over the source region are formed photolithographically. The cavities are filled with conductive material such as tungsten, forming a conductive contact to the drain region and a conductive contact to the source region. The top surfaces of the conductive contacts and the top surface of the gate structure are coplanar.
    • 在诸如场效应晶体管(FET)的半导体器件的漏极和源极区域中形成导电接触的方法。 栅极结构形成在半导体衬底的一部分上,其中栅极结构包括:在半导体衬底的表面上的栅极电介质,在栅极电介质上对准的导电栅极,在导电栅极上对准的硅化物层,以及 在硅化物层上对准氮化硅盖。 绝缘垫片形成在栅极结构的侧壁上,并且绝缘垫片与半导体衬底接触。 漏极区域和源极区域形成在半导体衬底内,其中沟道区域设置在漏极区域和源极区域之间,并且其中栅极结构在沟道区域之上。 在栅极结构和半导体衬底之上形成含有光敏材料(例如硼硅酸盐玻璃)的绝缘区域之后,光刻地形成在漏极区域上方的空腔和源极区域上的空腔。 空穴填充有诸如钨的导电材料,形成与漏极区域的导电接触以及与源极区域的导电接触。 导电触点的顶表面和栅极结构的顶表面是共面的。