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    • 23. 发明申请
    • Wideband High Gain Antenna
    • 宽带高增益天线
    • US20100141551A1
    • 2010-06-10
    • US12703759
    • 2010-02-10
    • Sheng Peng
    • Sheng Peng
    • H01Q1/36H01Q21/00
    • H01Q13/08H01Q13/085H01Q21/064H01Q21/205
    • A radiator element for RF transmission and reception over a wide band of frequencies. The radiator element is formed of conductive material on a substrate surface of conductive material in the form of a pair of horns extending in opposite directions to distal tips defining the widest distance of a mouth of a cavity. The mouth reduces in cross section at different slope angles on opposite sides to a narrowest point in between said pair of horns. The resulting radiator element will radiate and receive frequencies. The distance of the widest point and narrowest point are sized to receive and enhance a mid range of said frequencies.
    • 用于在宽频带上进行射频发射和接收的散热器元件。 散热元件由导电材料的衬底表面形成,导电材料的衬底表面形成一对喇叭形形式,该对喇叭以相反的方向延伸到限定腔体最宽距离的远端。 嘴角在相对侧的不同倾斜角度的横截面上减小到所述一对喇叭之间的最窄点。 所产生的散热器元件将辐射和接收频率。 最宽点和最窄点的距离的大小适于接收和增强所述频率的中间范围。
    • 30. 发明授权
    • Distributed light sources and systems for photo-reactive curing
    • 用于光反应固化的分布式光源和系统
    • US08573766B2
    • 2013-11-05
    • US13234200
    • 2011-09-16
    • Guomao YangSheng Peng
    • Guomao YangSheng Peng
    • B41J2/01B41J2/435B41J2/47G01D1/00
    • B41J11/002
    • A light source for a photo-reactive curing apparatus is provided, which includes a plurality of light source elements or modules, such as, UV or visible LEDs or LED arrays, arranged to provide a beam profile comprising irradiation zones separated by a dark zone. Photo-polymerization occurs during periods of irradiation and dark polymerization occurs during dark intervals between irradiation. The relative positioning or spacing of light source elements or modules is set to provide an exposure profile with a dark interval which matches the required dark reaction interval for optimal curing efficiency. In modular or adjustable light sources, the spacing is adjustable dependent on process parameters. For processes such as inkjet printing, the beam profile may be better matched to the ink chemistry, so as to control the polymerization reaction to meet a required process speed for single pass or multiple pass applications.
    • 提供了一种用于光反应固化设备的光源,其包括多个光源元件或诸如UV或可见LED或LED阵列的模块,其布置成提供包括由暗区隔开的照射区域的光束轮廓。 在照射期间发生光聚合,并且在照射之间的暗间隔期间发生暗聚合。 光源元件或模块的相对定位或间隔被设置为提供具有与所需的暗反应间隔匹配的暗区间的曝光分布,以获得最佳的固化效率。 在模块化或可调光源中,间距可根据工艺参数进行调整。 对于诸如喷墨印刷的工艺,光束轮廓可以更好地与油墨化学性质匹配,以便控制聚合反应以满足单程或多次应用所需的加工速度。