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    • 23. 发明授权
    • Halftone phase shift photomask, halftone phase shift photomask blank,
and method of producing the same comprising fluorine in phase shift
layer
    • 半色调相移光掩模,半色调相移光掩模坯,以及在相移层中制造含氟的方法
    • US5738959A
    • 1998-04-14
    • US722439
    • 1996-10-17
    • Hiroyuki MiyashitaHiroshi MohriMasahiro TakahashiNaoya Hayashi
    • Hiroyuki MiyashitaHiroshi MohriMasahiro TakahashiNaoya Hayashi
    • G03F1/00G03F9/00
    • G03F1/32G03F1/26
    • A halftone phase shift photomask having a sufficiently high transmittance for light of short wavelength and usable for high-resolution lithography effected by exposure using deep-ultraviolet+radiation, e.g., krypton fluoride excimer laser light. The halftone phase shift photomask has on a transparent substrate a halftone phase shift layer which includes at least one layer composed mainly of a chromium compound. The chromium compound contains at least fluorine atoms in addition to chromium atoms. A transmittance higher than a predetermined level can be obtained even in exposure carried out at a relatively short wavelength. The photomask can be used for exposure using deep-ultraviolet+radiation, e.g., krypton fluoride excimer laser light (wavelength: 248 nm). Thus, high-resolution lithography can be realized. Since the photomask can be formed by approximately the same method as in the case of the conventional photomasks, it is possible to improve the yield and reduce the cost.
    • 对于短波长的光具有足够高透射率的半色调相移光掩模,可用于通过使用深紫外线+辐射的曝光(例如,氪氟化物准分子激光)进行的高分辨率光刻。 半色调相移光掩模在透明基板上具有半色调相移层,其包括至少一层主要由铬化合物组成的层。 除铬原子以外,铬化合物至少含有氟原子。 即使在相对短的波长下进行曝光,也可以获得高于预定水平的透射率。 光掩模可以用于使用深紫外线+辐射的曝光,例如氟化氪激光准分子激光(波长:248nm)。 因此,可以实现高分辨率光刻。 由于光掩模可以通过与常规光掩模的情况大致相同的方法形成,所以可以提高成品率并降低成本。
    • 28. 发明授权
    • Semiconductor integrated circuit and operational amplifier
    • 半导体集成电路和运算放大器
    • US07151708B2
    • 2006-12-19
    • US11145189
    • 2005-06-06
    • Yasuhiro HinokumaHiroyuki Miyashita
    • Yasuhiro HinokumaHiroyuki Miyashita
    • G11C5/14
    • H03F3/45179H03F3/45479
    • Deterioration in characteristics of a MOS transistor due to bias instability caused in a stand-by mode is suppressed to prevent deterioration in circuit characteristics. An operational amplifier circuit according to this invention includes MOS transistors for connection that are connected between back gates of differential MOS transistors and their sources and a MOS transistor for biasing that is connected between a power supply potential and the back gates. One of the MOS transistors for connection is a P-channel type MOS transistor having a gate to which a stand-by signal STB is applied. Another of the MOS transistors for connection is an N-channel type MOS transistor having a gate to which the reverse stand-by signal STBB is applied. And the MOS transistor for biasing is a P-channel type MOS transistor having a gate to which the reverse stand-by signal STBB is applied.
    • 抑制由于在待机模式引起的偏置不稳定性导致的MOS晶体管的特性劣化,以防止电路特性的劣化。 根据本发明的运算放大器电路包括连接在差动MOS晶体管的后栅极和它们的源极之间的用于连接的MOS晶体管,以及连接在电源电位和后门之间的用于偏置的MOS晶体管。 用于连接的MOS晶体管之一是具有被施加待机信号STB的栅极的P沟道型MOS晶体管。 用于连接的MOS晶体管中的另一个是具有施加反向待机信号STBB的栅极的N沟道型MOS晶体管。 并且用于偏置的MOS晶体管是具有施加反向待机信号STBB的栅极的P沟道型MOS晶体管。
    • 29. 发明申请
    • Semiconductor integrated circuit and operational amplifier
    • 半导体集成电路和运算放大器
    • US20050281103A1
    • 2005-12-22
    • US11145189
    • 2005-06-06
    • Yasuhiro HinokumaHiroyuki Miyashita
    • Yasuhiro HinokumaHiroyuki Miyashita
    • H03K17/30G11C29/00H03F1/52H03F3/45
    • H03F3/45179H03F3/45479
    • Deterioration in characteristics of a MOS transistor due to bias instability caused in a stand-by mode is suppressed to prevent deterioration in circuit characteristics. An operational amplifier circuit according to this invention includes MOS transistors for connection that are connected between back gates of differential MOS transistors and their sources and a MOS transistor for biasing that is connected between a power supply potential and the back gates. One of the MOS transistors for connection is a P-channel type MOS transistor having a gate to which a stand-by signal STB is applied. Another of the MOS transistors for connection is an N-channel type MOS transistor having a gate to which the reverse stand-by signal STBB is applied. And the MOS transistor for biasing is a P-channel type MOS transistor having a gate to which the reverse stand-by signal STBB is applied.
    • 抑制由于在待机模式引起的偏置不稳定性导致的MOS晶体管的特性劣化,以防止电路特性的劣化。 根据本发明的运算放大器电路包括连接在差动MOS晶体管的后栅极和它们的源极之间的用于连接的MOS晶体管,以及连接在电源电位和后门之间的用于偏置的MOS晶体管。 用于连接的MOS晶体管之一是具有被施加待机信号STB的栅极的P沟道型MOS晶体管。 用于连接的MOS晶体管中的另一个是具有施加反向待机信号STBB的栅极的N沟道型MOS晶体管。 并且用于偏置的MOS晶体管是具有施加反向待机信号STBB的栅极的P沟道型MOS晶体管。