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    • 1. 发明申请
    • Interlayer dielectric under stress for an integrated circuit
    • 集成电路应力下的层间电介质
    • US20060226490A1
    • 2006-10-12
    • US11100168
    • 2005-04-06
    • James BurnettJon Cheek
    • James BurnettJon Cheek
    • H01L29/76
    • 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。
    • 2. 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。