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    • 1. 发明授权
    • Reduced boron diffusion by use of a pre-anneal
    • 通过使用预退火来减少硼的扩散
    • US6159812A
    • 2000-12-12
    • US20175
    • 1998-02-06
    • Jon CheekWilliam A. WhighamDerick Wristers
    • Jon CheekWilliam A. WhighamDerick Wristers
    • H01L21/265H01L21/336H01L21/8238
    • H01L29/6659H01L21/26513H01L21/823814H01L29/6656
    • A method for slowing the diffusion of boron ions in a CMOS structure includes a preanneal step which can be incorporated as part of a step in which silane is deposited across the surface of the wafer. After the last implant on a CMOS device, silane (SiH.sub.4) is deposited over the surface of the wafer using a chemical vapor deposition (CVD) tool. The deposition of silane is done at 400.degree. C. The temperature is raised in the CVD tool to a temperature in the range of 550.degree. C. to 650.degree. C. and held for 30-60 minutes. This temperature does not affect the thin film of silicon which is formed from the silane, yet provides the necessary thermal cycle to "repair" the crucial first 200 .ANG. to 600 .ANG. of the silicon surface. Normal processing steps, including a rapid thermal anneal for 30 seconds at 1025.degree. C. follow. The RTA is necessary to activate the dopants (arsenic and boron) in the source and drain of the respective devices. The boron dopant species diffuses less during subsequent rapid thermal anneal cycles since the crucial first 200 .ANG. to 600 .ANG. of the silicon surface have been repaired using this preanneal step.
    • 用于减缓CMOS结构中硼离子的扩散的方法包括预退火步骤,其可以作为其中硅烷沉积在晶片的表面上的步骤的一部分而被并入。 在CMOS装置上最后一次植入之后,使用化学气相沉积(CVD)工具将硅烷(SiH4)沉积在晶片的表面上。 硅烷的沉积在400℃下进行。将温度在CVD工具中升高至550℃至650℃的温度,并保持30-60分钟。 该温度并不影响由硅烷形成的硅薄膜,而是提供了必要的热循环,以“修复”硅表面的至关重要的第一个200 ANGSTROM至600 ANGSTROM。 正常加工步骤,包括在1025℃快速热退火30秒。 RTA需要激活各个器件的源极和漏极中的掺杂剂(砷和硼)。 在随后的快速热退火循环中硼掺杂物种类扩散较少,因为使用该预退火步骤修复了硅表面的至关重要的第一个200 ANGSTROM至600 ANGSTROM。
    • 2. 发明授权
    • Method of manufacturing a semiconductor component
    • 制造半导体部件的方法
    • US07208383B1
    • 2007-04-24
    • US10284651
    • 2002-10-30
    • Chad WeintraubJames F. BullerDerick WristersJon Cheek
    • Chad WeintraubJames F. BullerDerick WristersJon Cheek
    • H01L21/336
    • H01L21/26586H01L29/1045H01L29/1083H01L29/665H01L29/66659
    • An insulated gate field effect transistor having reduced gate-drain overlap and a method for manufacturing the insulated gate field effect transistor. A gate structure is formed on a major surface of a semiconductor substrate. A source extension region and a drain extension region are formed in a semiconductor material using an angled implant. The source extension region extends under the gate structure, whereas the drain extension region is laterally spaced apart from the gate structure. A source region is formed in the semiconductor substrate and a drain region is formed in the semiconductor substrate, where the source and drain regions are laterally spaced apart from the gate structure. A source-side halo region is formed in the semiconductor substrate adjacent the source extension region.
    • 具有减小的栅 - 漏重叠的绝缘栅场效应晶体管和用于制造绝缘栅场效应晶体管的方法。 栅极结构形成在半导体衬底的主表面上。 源极延伸区域和漏极延伸区域使用成角度的植入物形成在半导体材料中。 源极延伸区域在栅极结构下方延伸,而漏极延伸区域与栅极结构横向间隔开。 源极区域形成在半导体衬底中,并且在半导体衬底中形成漏极区域,其中源极区域和漏极区域与栅极结构横向间隔开。 源极侧晕区形成在与源延伸区相邻的半导体衬底中。
    • 9. 发明申请
    • INTERLAYER DIELECTRIC UNDER STRESS FOR AN INTEGRATED CIRCUIT
    • 用于集成电路的中间层电介质
    • US20070218618A1
    • 2007-09-20
    • US11754728
    • 2007-05-29
    • James BurnettJon Cheek
    • James BurnettJon Cheek
    • H01L21/8238
    • H01L21/84H01L21/823412H01L21/823807H01L27/105H01L27/11H01L27/1104H01L27/1116H01L27/1203H01L29/7843Y10S257/903
    • An integrated circuit that has logic and a static random access memory (SRAM) array has improved performance by treating the interlayer dielectric (ILD) differently for the SRAM array than for the logic. The N channel logic and SRAM transistors have ILDs with non-compressive stress, the P channel logic transistor ILD has compressive stress, and the P channel SRAM transistor at least has less compressive stress than the P channel logic transistor, i.e., the P channel SRAM transistors may be compressive but less so than the P channel logic transistors, may be relaxed, or may be tensile. It is beneficial for the integrated circuit for the P channel SRAM transistors to have a lower mobility than the P channel logic transistors. The P channel SRAM transistors having lower mobility results in better write performance; either better write time or write margin at lower power supply voltage.
    • 具有逻辑和静态随机存取存储器(SRAM)阵列的集成电路通过针对SRAM阵列处理不同于逻辑的层间电介质(ILD)而提高了性能。 N沟道逻辑和SRAM晶体管具有非压缩应力的ILD,P沟道逻辑晶体管ILD具有压缩应力,P沟道SRAM晶体管至少具有比P沟道逻辑晶体管更小的压缩应力,即P沟道SRAM 晶体管可以是压缩的,但是比P沟道逻辑晶体管更小,可以被放宽,或者可以是拉伸的。 P沟道SRAM晶体管的集成电路具有比P沟道逻辑晶体管更低的迁移率是有益的。 具有较低移动性的P沟道SRAM晶体管导致更好的写入性能; 在更低的电源电压下更好地写入时间或写入裕度。
    • 10. 发明授权
    • High density memory cell assembly and methods
    • 高密度存储单元组装及方法
    • US06417539B2
    • 2002-07-09
    • US09128864
    • 1998-08-04
    • Mark I. GardnerDerick J. WristersJon Cheek
    • Mark I. GardnerDerick J. WristersJon Cheek
    • H01L2976
    • H01L27/11521H01L21/28273H01L27/11524H01L29/42324H01L29/7881
    • A memory cell assembly includes a substrate, a first electrode, and a second electrode layer. The first electrode is disposed over the substrate and the second electrode layer is disposed over the first electrode. The second electrode layer includes two or more second electrodes. Dielectric material separates the first electrode form the second electrodes and also separates the second electrodes. Each second electrode forms an individual memory cell associated with the first electrode. The memory cell assembly can be made by, first, forming a first electrode over a substrate. A second electrode layer is formed over the first electrode. The second electrode layer includes two or more second electrodes. A dielectric material is formed between the first electrode and the second electrodes and between the second electrodes.
    • 存储单元组件包括衬底,第一电极和第二电极层。 第一电极设置在衬底上,并且第二电极层设置在第一电极上。 第二电极层包括两个或更多个第二电极。 电介质材料将第一电极与第二电极分开,并分离第二电极。 每个第二电极形成与第一电极相关联的单个存储单元。 存储单元组件可以通过首先在衬底上形成第一电极来制造。 在第一电极上形成第二电极层。 第二电极层包括两个或更多个第二电极。 在第一电极和第二电极之间以及第二电极之间形成电介质材料。