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    • 83. 发明公开
    • 산화마그네슘 단결정 및 그 제조 방법
    • 氧化镁单晶及其制造方法
    • KR1020070120117A
    • 2007-12-21
    • KR1020077022349
    • 2006-03-24
    • 다테호 가가쿠 고교 가부시키가이샤
    • 토우츠카아츠오가와구치요시후미쿠니시게마사아키
    • C30B29/16C23C14/08C01F5/02
    • C30B29/16C23C14/081C30B11/003C30B23/066
    • Disclosed are an MgO single crystal which enables to obtain a magnesium oxide (MgO) single crystal vapor-deposited material which is prevented from occurrence of splashing without decreasing the film-forming rate during vapor deposition by a electron beam deposition method or the like; and an MgO single crystal which enables to obtain an MgO single crystal substrate capable of forming, for example, a superconducting thin film having excellent superconducting characteristics. Specifically disclosed is an MgO single crystal having a calcium content of from 150 x 10^-6 to 1000 x 10^-6 kg/kg and a silicon content of 10 x 10^-6 kg/kg or less, wherein the variation of the detected amount of calcium fragment ions is 30 % or less in terms of the CV value when a polished surface of the MgO single crystal is analyzed by the TOF-SIMS. Also specifically disclosed are an MgO single crystal vapor-deposited material and an MgO single crystal substrate for forming a thin film which are obtained from such an MgO single crystal.
    • 公开了一种MgO单晶,其能够获得通过电子束沉积方法等在气相沉积期间不降低成膜速率而获得不发生飞溅的氧化镁(MgO)单晶气相沉积材料; 以及能够获得能够形成例如具有优异的超导特性的超导薄膜的MgO单晶衬底的MgO单晶。 具体公开了钙含量为150×10 -6〜1000×10 -6 kg / kg,硅含量为10×10 -6〜6kg / kg以下的MgO单晶,其中, 当通过TOF-SIMS分析MgO单晶的抛光表面时,通过CV值测定的钙碎片离子的检测量为30%以下。 还具体公开了一种MgO单晶气相沉积材料和用于形成由这种MgO单晶获得的薄膜的MgO单晶衬底。
    • 85. 发明公开
    • SYNTHESIS OF TOURMALINE RED COLORED CUBIC ZIRCONIA SINGLE CRYSTALS
    • 旅游红色彩色CUBIC ZIRCONIA单晶的合成
    • KR20070099769A
    • 2007-10-10
    • KR20060030949
    • 2006-04-05
    • KOREA INST SCI & TECH
    • JOO GI TAEKANG BONG HOON
    • C30B29/00C30B29/16
    • A manufacturing method of a tourmaline red colored cubic zirconia single crystal is provided to enable mass production and improve quality by adding MnO2 to the material of the crystal as a color developer and performing a heat-treatment in a neutral or reduction atmosphere. A manufacturing method of a tourmaline red colored cubic zirconia single crystal includes the steps of: mixing an oxide material; charging a skull melting apparatus with a compound obtained from the prior step, and growing a zirconia single crystal with a skull melting method; and performing the heat-treatment of the single crystal at the temperature of 950 - 1500 degrees centigrade in a furnace of a neutral or reduction atmosphere. The oxide material includes ZrO2 of 50 - 90 weight%, Y2O3 of 10 - 50 weight%, CeO2, Er2O3, a color former of 0.02 - 9 weight%, and MnO2 of 0.01 - 4 weight% as a color developer. The color developer is added less than half of the color former.
    • 提供了一种电气石红色立方氧化锆单晶的制造方法,可通过向作为显色剂的晶体材料中添加MnO 2并在中性或还原气氛中进行热处理,从而大量生产并提高质量。 电气石红色立方氧化锆单晶的制造方法包括以下步骤:将氧化物材料混合; 用前述步骤获得的化合物装入颅骨熔化装置,并用头骨熔化法生长氧化锆单晶; 在中性或还原气氛的炉中,在950〜1500℃的温度下进行单晶的热处理。 氧化物材料包括50-90重量%的ZrO 2,10-50重量%的Y 2 O 3,CeO 2,Er 2 O 3,0.02-9重量%的成色剂,和作为显色剂的MnO 2为0.01-4重量%。 彩色显影剂的添加量少于成色剂的一半。
    • 87. 发明公开
    • 실리카 다공체 결정의 제조방법
    • 二氧化硅多孔晶体的制备方法
    • KR1020070067088A
    • 2007-06-27
    • KR1020077005776
    • 2005-09-12
    • 시마네켄
    • 노다슈지시오무라다카노부타지마마사히로이마와카나오토오카모토야스아키구보타다케시
    • C30B29/06C30B29/16
    • C01B37/02C30B7/00C30B7/10C30B29/16
    • A method for preparing a silica porous crystal, characterized in that it is a method for synthesizing a silica porous crystal through a hydrothermal reaction, which comprises forming a region having a high concentration of silicon in a part of a hydrothermal reaction vessel, and carrying out the hydrothermal reaction while allowing a bulk article comprising a compound containing silicon and oxygen and having been subjected to a surface-smoothing treatment, as a supply source of a part or all of the elements constituting the skeleton of the silica porous crystal, to be so present as for at least a part thereof to be within the above region having a high concentration of silicon. The above method allows the synthesis of a silica porous crystal having a size of 0.5 mm or more with good reproducibility and good efficiency.
    • 一种制备二氧化硅多孔晶体的方法,其特征在于它是通过水热反应合成二氧化硅多孔结晶的方法,其包括在水热反应容器的一部分中形成具有高浓度硅的区域,并进行 水热反应同时允许包含含有硅和氧的化合物并经过表面平滑处理的散装物品作为构成二氧化硅多孔晶体的骨架的部分或全部元素的供应源为如此 存在至少其一部分在具有高浓度硅的上述区域内。 上述方法允许以良好的再现性和良好的效率合成尺寸为0.5mm以上的二氧化硅多孔结晶体。
    • 88. 发明公开
    • Ga2O3계 발광 소자 및 그 제조 방법
    • β-GA2O3单晶生长方法,薄膜单晶生长方法,GA2O3发光装置及其制造方法
    • KR1020060007366A
    • 2006-01-24
    • KR1020057015608
    • 2004-02-16
    • 각코호진 와세다다이가쿠
    • 이찌노세노보루시마무라기요시아오끼가즈오가르시아비죠라엔카르나시온안토니아
    • C30B29/16C30B13/34
    • C30B29/16C30B23/02H01L21/02414H01L21/02433H01L21/02565H01L21/02631H01L33/005H01L33/26
    • A method for growing a beta-Ga 2O3 single crystal hardly cracking and having a weakened twinning tendency and an improved crystallinity, a method for growing a thin-film single crystal with high quality, a Ga2O3 light-emitting device capable of emitting light in the ultraviolet region, and its manufacturing method are disclosed. In an infrared-heating single crystal manufacturing system, a seed crystal and a polycrystalline material are rotated in mutually opposite directions and heated, and a beta-Ga2O3 single crystal is grown in one direction selected from among the a-axis direction, the b-axis direction, and c-axis direction. A thin film of a beta-Ga2O3 single crystal is formed by PLD. A laser beam is applied to a target to excite atoms constituting the target. Ga atoms are released from the target by a thermal and photochemical action. The free Ga atoms are bonded to radicals in the atmosphere in the chamber. Thus, a thin-film of a beta-Ga2O3 single crystal is grown on a substrate of a beta-Ga2O3 single crystal. A light-emitting device comprises an n-type substrate produced by doping a beta-Ga 2O3 single crystal with an n-type dopant and a p-type layer produced by doping the beta-Ga2O3 single crystal with a p-type dopant and junctioned to the top of the n-type substrate. The light- emitting device emits light from the junction portion.
    • 用于生长β-Ga 2 O 3单晶的方法几乎不开裂并且具有弱的孪晶倾向和改善的结晶度,用于生长具有高品质的薄膜单晶的方法,能够在 紫外线区域及其制造方法。 在红外加热单晶体制造系统中,晶种和多晶材料沿相反的方向旋转并加热,并且在从a轴方向,b轴方向上选择的一个方向上生长β-Ga 2 O 3单晶, 轴方向和c轴方向。 由PLD形成β-Ga2O3单晶的薄膜。 将激光束施加到靶上以激发构成靶的原子。 Ga原子通过热和光化学作用从靶释放出来。 游离的Ga原子与腔中的大气中的自由基结合。 因此,在β-Ga 2 O 3单晶的衬底上生长β-Ga 2 O 3单晶的薄膜。 发光器件包括通过掺杂具有n型掺杂剂的β-Ga 2 O 3单晶和通过用p型掺杂剂掺杂β-Ga 2 O 3单晶产生的p型层而制备的n型衬底,并且结合 到n型衬底的顶部。 发光装置从接合部发射光。