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    • 2. 发明申请
    • Method For The Preparation Of X-Ray Amorphous Or Weakly Crystalline Metal Oxide Fluorides And New Uses Thereof
    • 用于制备X射线非晶态或弱结晶金属氧化物氟化物的方法及其新用途
    • US20080274037A1
    • 2008-11-06
    • US11720796
    • 2005-12-05
    • Udo GrossErhard KemnitzStephan Ruediger
    • Udo GrossErhard KemnitzStephan Ruediger
    • C01F7/50C01B11/24
    • C01F5/28B01J27/12B01J27/125B01J27/138B01J35/002B01J35/1019C01B9/08C01F7/50C01P2002/02C01P2006/12C01P2006/14C03C17/22C03C2217/285
    • The present invention is related to a method for preparing an X-ray amorphous or weakly crystalline metal oxide fluoride of a composition represented by the formula Ma+ObFc comprising the steps of b) providing a precursor, whereby the precursor is a fluorinated metal compound having a composition which is represented by the formula Ma+F(a−d)BdLxb) converting the precursor into an metal oxide/hydroxide fluoride; and c) calcinating the metal oxide/hydroxide fluoride having the formula Ma+OcHfFc to generate the X-ray amorphous or weakly crystalline metal oxide fluoride of the formula Ma+ObFc, whereby M is selected from the group comprising metals of the first, second, third and fourth main group and any subgroup of the periodic table; B is a group or an anion which is selected from the group comprising alkoxide, enolates, alkyl, chloride, bromide, iodide, nitrate, and organic acid anions; B is preferably an alkoxy group; L is a solvent other than water; a is any integer of 1, 2, 3, 4, 5 or 6, preferably 2 or 3; and b and c are any numbers obeying the formula b/2+c=a, and c is 0.1b to 10b; d is a number between 0 and 0.8a, preferable between 0.1 and 0.3a; e is (a−c+f)/2; f is a number between 0 and (a−c); and x is between 0 and 6.
    • 本发明涉及一种制备由下式表示的组合物的X射线无定形或弱结晶金属氧化物氟化物的方法: c)包括以下步骤:b)提供前体,由此所述前体是具有由下式表示的组成的氟化金属化合物:(a) b)将前体转化为金属氧化物/氢氧化物氟化物; 和c)将具有下式的金属氧化物/氢氧化物氟化物煅烧:将式M a -O + 产生式M a O b O b C c C的X射线无定形或弱结晶金属氧化物氟化物,其中M选自 包括第一,第二,第三和第四主族的金属和周期表的任何亚组; B是选自醇盐,烯醇化物,烷基,氯化物,溴化物,碘化物,硝酸盐和有机酸阴离子的基团或阴离子; B优选为烷氧基; L是水以外的溶剂; a是1,2,3,4,5或6,优选2或3的整数; b和c是符合公式b / 2 + c = a的任何数字,c是0.1b〜10b; d是0和0.8a之间的数,优选在0.1和0.3a之间; e为(a-c + f)/ 2; f是0和(a-c)之间的数字; x在0和6之间。
    • 5. 发明申请
    • WAVEGUIDE ARRANGEMENT
    • 波形安排
    • US20160187579A1
    • 2016-06-30
    • US14650711
    • 2013-11-26
    • HUMBOLDT-UNIVERSITÄT ZU BERLINFORSCHUNGSVERBUND BERLIN E.V.
    • Rico HENZEAndreas THIESOliver BENSON
    • G02B6/122G02B6/136
    • The invention relates to a waveguide arrangement (10) comprising a substrate (20) and at least one strip-shaped waveguide made of a wave-guiding layer material (30). The strip waveguide extends strip-like in a longitudinal direction and can guide waves in its longitudinal direction so that the wave propagation direction corresponds to the longitudinal direction of the strip waveguide. The refractive index of the substrate (20) is greater than the refractive index of the layer material (30). In order to guide waves vertically, the strip waveguide forms a waveguide bridge (60) which is located above a recess (100) in the substrate (20) and which is at least partially spatially separated from the substrate (20) there.
    • 本发明涉及一种波导装置(10),其包括基板(20)和由波导层材料(30)制成的至少一个条形波导。 带状波导沿纵向方向延伸成条状,并且可以在其纵向方向上引导波,使得波传播方向对应于条形波导的纵向方向。 基板(20)的折射率大于层材料(30)的折射率。 为了垂直地引导波浪,带状波导形成位于基底(20)中的凹部(100)上方并且至少部分空间上与基底(20)分离的波导桥(60)。