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    • 2. 发明授权
    • Optical element, mold, and optical device
    • 光学元件,模具和光学装置
    • US09500778B2
    • 2016-11-22
    • US14163224
    • 2014-01-24
    • Chieko HatashitaTakayuki NakamuraKentaroh HagitaToshiya Yamaguchi
    • Chieko HatashitaTakayuki NakamuraKentaroh HagitaToshiya Yamaguchi
    • G02B1/118G02B13/14
    • G02B1/118G02B13/14
    • An optical element having an antireflection effect includes an incident plane and an emission plane and a conical microstructure formed on at least one plane of the incident plane and the emission plane. The conical microstructure includes a first structure formed of a plurality of conical microprojections with an average height H1 and a second structure formed of a plurality of conical microrecesses with an average height H2. The average height H1 satisfies an inequality H1≦1/3*λ/n and the average height H2 satisfies an inequality H2≦1/3*λ/n. An average pitch P between the first structure and the second structure satisfies following conditions: H1/2≦P≦1/3*λ/n, and H2/2≦P≦1/3*λ/n, in which the use wavelength is defined as λ and the refractive index relative to the use wavelength is n.
    • 具有防反射效果的光学元件包括在入射面和发射面的至少一个平面上形成的入射面和发射面以及圆锥形微结构。 圆锥形微结构包括由具有平均高度H1的多个锥形微喷射体形成的第一结构和由具有平均高度H2的多个锥形微过程形成的第二结构。 平均高度H1满足不等式H1≤1/ 3 *λ/ n,平均高度H2满足不等式H2≤1/ 3 *λ/ n。 第一结构和第二结构之间的平均间距P满足以下条件:H1 /2≤P≤1/ 3 *λ/ n,H2 /2≤P≤1/ 3 *λ/ n,其中使用波长 被定义为λ,相对于使用波长的折射率为n。
    • 6. 发明授权
    • Powder for dust core and method for producing the same
    • 粉芯粉及其制造方法
    • US08337638B2
    • 2012-12-25
    • US12988286
    • 2009-04-17
    • Yusuke OishiEisuke HoshinaToshiya YamaguchiKazuhiro Kawashima
    • Yusuke OishiEisuke HoshinaToshiya YamaguchiKazuhiro Kawashima
    • H01F1/147H01F1/20
    • H01F1/24B22F1/0085B22F1/02B22F2999/00C22C38/02C22C2202/02H01F1/33B22F2207/01
    • A powder for a dust core comprising a silicon-containing layer formed within a depth of less than 0.15 D from the surface of the surface layer of a soft magnetic metal powder having a particle diameter D and a method for producing the same are provided. The method for producing a powder for a dust core 10 comprising a silicon-containing layer 2 comprises performing silicon impregnation of the surface of a soft magnetic metal powder (particle) 1 containing a carbon element, wherein: silicon impregnation is performed by bringing a powder for silicon impregnation containing at least a silicon compound into contact with the surface of a soft magnetic metal powder 1, heating the powder for silicon impregnation to dissociate a silicon element from the silicon compound, and then diffusing the thus dissociated silicon element throughout the surface layer of the soft magnetic metal powder via impregnation; and silicon impregnation is performed under a diffusion atmosphere allowing dissociation where the reaction rate at which the silicon element is dissociated is higher than the diffusion rate at which the silicon element is diffused throughout the surface layer of the soft magnetic metal powder via impregnation.
    • 提供了一种粉尘芯,其包括从具有粒径D的软磁性金属粉末的表面的表面的小于0.15D的深度形成的含硅层及其制造方法。 包含含硅层2的粉尘芯10的粉末的制造方法包括对包含碳元素的软磁性金属粉末(颗粒)1的表面进行硅浸渍,其中:通过使粉末 对于含有至少硅化合物的硅浸渍与软磁性金属粉末1的表面接触,加热硅浸渍用粉末以从硅化合物解离硅元素,然后使由此解离的硅元素扩散到整个表面层 的软磁金属粉末通过浸渍; 并且在扩散气氛下进行硅浸渍,该扩散气氛允许解离,其中硅元素解离的反应速率高于硅元素通过浸渍遍及软磁性金属粉末的表面层扩散的扩散速率。