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    • 116. 发明授权
    • Oxide sintered body and sputtering target
    • 氧化物烧结体和溅射靶
    • US09040441B2
    • 2015-05-26
    • US14002768
    • 2012-03-01
    • Hiroshi GotoYuki Iwasaki
    • Hiroshi GotoYuki Iwasaki
    • C23C14/08C23C14/34C04B35/453C04B35/457H01L21/02
    • C23C14/3414C04B35/453C04B35/457C04B2235/3217C04B2235/3244C04B2235/3251C04B2235/3284C04B2235/3286C04B2235/3293C23C14/08C23C14/086H01L21/02554H01L21/02565H01L21/02631
    • Provided are an oxide sintered body and a sputtering target that are ideal for the production of an oxide semiconductor film for a display device. The oxide sintered body and sputtering target that are provided have both high conductivity and high relative density, are capable of forming an oxide semiconductor film having a high carrier mobility, and in particular, have excellent direct-current discharge stability in that long-term, stable discharge is possible, even when used by the direct-current sputtering method. The oxide sintered body of the invention is an oxide sintered body obtained by mixing and sintering zinc oxide, tin oxide, and an oxide of at least one metal (M metal) selected from the group consisting of Al, Hf, Ni, Si, Ga, In, and Ta. When the in-plane specific resistance and the specific resistance in the direction of depth are approximated by Gaussian distribution, the distribution coefficient σ of the specific resistance is 0.02 or less.
    • 提供了一种氧化物烧结体和溅射靶,其对于制造用于显示装置的氧化物半导体膜是理想的。 所提供的氧化物烧结体和溅射靶都具有高导电性和高相对密度,能够形成具有高载流子迁移率的氧化物半导体膜,并且特别地,在长期内具有优异的直流放电稳定性, 即使通过直流溅射法使用也能够稳定地进行放电。 本发明的氧化物烧结体是通过将氧化锌,氧化锡和至少一种选自Al,Hf,Ni,Si,Ga的金属(M金属)的氧化物混合并烧结而得到的氧化物烧结体 ,In和Ta。 当面内比电阻和深度方向的电阻近似为高斯分布时,分布系数&sgr; 的电阻为0.02以下。
    • 120. 发明申请
    • Dielectric Thin Film Composition Showing Linear Dielectric Properties
    • 显示线性介电性能的介电薄膜组成
    • US20100035749A1
    • 2010-02-11
    • US12537198
    • 2009-08-06
    • Ji-Won ChoiWon Kook ChoiSeok-Jin Yoon
    • Ji-Won ChoiWon Kook ChoiSeok-Jin Yoon
    • C04B35/457
    • H01B3/12C04B35/4682C04B35/47C04B2235/3213C04B2235/3215C04B2235/3293
    • The present invention relates to a dielectric thin film composition showing linear dielectric properties, in which tin oxides (SnO2) are introduced into a (Ba,Sr)TiO3 (BSTO) dielectric thin film in a continuous diffusion gradient manner in composition. Since the non-linear dielectric properties of BSTO are converted to linear dielectric properties by the addition of SnO2 according to the present invention, the dielectric thin film composition of the present invention is characterized in that: there is little change in the capacitance according to the applied electric field; it has a high dielectric constant capable of showing a desired capacitance even at a thickness suitable for preventing the occurrence of electron tunneling; and it exhibits paraelectric properties similar to the conventional dielectric substances such as SiO2 while having a very low dielectric loss.
    • 本发明涉及一种电介质薄膜组合物,其表现出线性介电性质,其中在组成中以连续扩散梯度方式将锡氧化物(SnO 2)引入到(Ba,Sr)TiO 3(BSTO)电介质薄膜中。 由于根据本发明通过添加SnO 2将BSTO的非线性介电性能转化为线性介电特性,所以本发明的电介质薄膜组合物的特征在于:根据 应用电场; 即使在适合于防止电子隧道发生的厚度的情况下,也具有能够显示所需电容的高介电常数; 并且具有类似于常规电介质物质如SiO 2的同电性能,同时具有非常低的介电损耗。