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    • 5. 发明申请
    • Nanowires and Methods of Forming
    • 纳米线和成型方法
    • US20150325649A1
    • 2015-11-12
    • US14708961
    • 2015-05-11
    • Brookhaven Science Associates, LLC
    • Mingzhao LiuChang-Yong Nam
    • H01L29/06H01L29/12H01L21/02
    • H01L29/12B82Y10/00B82Y40/00C23C14/185C30B23/04C30B29/02C30B29/60H01L21/02381H01L21/02422H01L21/02491H01L21/02499H01L21/02513H01L21/02521H01L21/02524H01L21/02535H01L21/02538H01L21/02603H01L21/0262H01L21/02631H01L29/06H01L29/0676H01L29/125
    • An array of out-of-plane, nanowires may be formed spontaneously when a material is deposited over a freshly sputter-deposited porous film under high vacuum. The nanowires may be formed without an apparent catalyst. It is the nanoporous structure of the sputter-deposited porous film that confines the size of permeated material domains during its vapor deposition, which may cause a certain surface-to-volume ratio and subsequent melting point reduction, rendering the domains of the material molten or partially molten at room temperature. The release of surface energy provides a force for the domains to diffuse and to eventually erupt from the porous thin film and may form nanowires. Due to the universality of higher surface energy for nanoparticles, the present nanowires may be applicable for scalable growth of one-dimensional nanostructures of various other materials with moderate melting points. Furthermore, the absence of a catalyst in this method may eliminate the unwanted but inevitable diffusion of catalyst atoms into the nanostructures, thus allowing a route for the growth of nanostructure of higher purity and better controlled properties.
    • 当在高真空下将材料沉积在新近溅射沉积的多孔膜上时,可以自发地形成平面外的纳米线阵列。 纳米线可以没有表观催化剂而形成。 溅射沉积的多孔膜的纳米多孔结构在其气相沉积期间限制渗透材料畴的尺寸,这可能导致一定的表面 - 体积比和随后的熔点降低,使得材料的区域熔化或 在室温下部分熔融。 表面能的释放为结构域扩散并最终从多孔薄膜中喷出并形成纳米线提供了力。 由于纳米颗粒具有更高的表面能的普遍性,本纳米线可适用于具有中等熔点的各种其他材料的一维纳米结构的可扩展生长。 此外,在该方法中不存在催化剂可以消除催化剂原子进入纳米结构的不必要但不可避免的扩散,从而允许用于生长更高纯度和更好控制性质的纳米结构的生长途径。
    • 6. 发明申请
    • METHOD FOR FABRICATING A STRUCTURE
    • 制作结构的方法
    • US20150303247A1
    • 2015-10-22
    • US14646642
    • 2013-12-02
    • Soitec
    • Alexandre ChibkoIsabelle BertrandSylvain PeruSothachett VanPatrick Reynaud
    • H01L29/04H01L29/16H01L21/324H01L21/02
    • H01L29/04H01L21/02263H01L21/02524H01L21/0262H01L21/02664H01L21/26506H01L21/324H01L21/76254H01L29/16
    • This method for fabricating a structure comprising, in succession, a support substrate, a dielectric layer, an active layer, a separator layer of polycrystalline silicon, comprising the steps of: a) providing a donor substrate, b) forming an embrittlement area in the donor substrate, c) providing the support structure, d) forming the separator layer on the support substrate, e) forming the dielectric layer, f) assembling the donor substrate and the support substrate, g) fracturing the donor substrate along the embrittlement area, h) subjecting the structure to a strengthening annealing of at least 10 minutes, the fabrication method being noteworthy in that step d) is executed in such a way that the polycrystalline silicon of the separator layer exhibits an entirely random grain orientation, and in that the strengthening annealing is executed at a temperature strictly greater than 950° C. and less than 1200° C.
    • 用于制造结构的方法包括依次包括支撑衬底,电介质层,有源层,多晶硅隔板层,其包括以下步骤:a)提供施主衬底,b)在所述衬底中形成脆化区域 供体衬底,c)提供支撑结构,d)在支撑衬底上形成隔离层,e)形成电介质层,f)组装供体衬底和支撑衬底,g)沿着脆化区域压裂供体衬底, h)对结构进行至少10分钟的强化退火,在步骤d)中制造方法值得注意的是,隔板层的多晶硅呈现完全随机的晶粒取向, 强化退火在严格高于950℃且小于1200℃的温度下进行。