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    • 1. 发明申请
    • MULTIBAND ANTENNA SYSTEM WITH SHIELD
    • 多屏天线系统
    • US20110080330A1
    • 2011-04-07
    • US12899824
    • 2010-10-07
    • Joong Hee LEEYong JEEYoung Min SEOYo Han JEONG
    • Joong Hee LEEYong JEEYoung Min SEOYo Han JEONG
    • H01Q5/01H01Q13/00
    • H01Q9/30H01Q1/38H01Q5/55
    • A multiband antenna system installed onto a circuit board of a mobile device is provided. The antenna system includes a planar dielectric substrate, an upper conductor formed on an upper surface of the dielectric substrate and shaped as a coplanar wave guide and includes first and second ground parts and a radiator, and a lower conductor formed on the lower surface of the dielectric substrate and shaped as a coplanar wave guide and includes third and fourth ground parts and an electrode part, via-holes that pass through the dielectric substrate and are electrically connected to the first ground part to the third, the second ground part to the fourth, and the radiator to the electrode part, respectively, and solder balls connect the electrode part to an electric wire of the circuit board and also the third and fourth ground parts to the ground of the circuit board.
    • 提供了安装在移动设备的电路板上的多频带天线系统。 天线系统包括平面电介质基板,形成在电介质基板的上表面上并形成为共面波导的上导体,包括第一和第二接地部分和散热器,下导体形成在 电介质基板并成形为共面波导,并且包括第三和第四接地部分和电极部分,穿过电介质基板并且电连接到第一接地部分到第三接地部分到第四接地部分的通孔 并且散热器分别与电极部分相连,焊锡球将电极部分连接到电路板的电线,将第三和第四接地部分连接到电路板的接地。
    • 4. 发明申请
    • Y-TYPE HEXAGONAL FERRITE, FABRICATION METHOD THEREOF, AND ANTENNA APPARATUS USING THE SAME
    • Y型六角铁矿,其制造方法和使用其的天线装置
    • US20110025572A1
    • 2011-02-03
    • US12844059
    • 2010-07-27
    • Joong Hee LEEYoung Ho HANIl Jeong PARK
    • Joong Hee LEEYoung Ho HANIl Jeong PARK
    • H01Q1/00C03C14/00
    • H01Q1/38C01G49/0018C01G49/009C01G51/006C01P2006/10C01P2006/42C03C8/02
    • A method of making Y-type hexagonal ferrite and an antenna using the same are provided. Y-type hexagonal ferrite includes a base ferrite composed of iron oxide, barium carbonate and cobalt oxide, and silicate glass ranging from 0.5 to 5 weight percent added to 100 weight percent of base ferrite. An antenna apparatus includes a magnetic carrier and an antenna pattern formed thereon. The magnetic carrier is formed of such Y-type hexagonal ferrite, and the antenna pattern resonates in a specific frequency band when electric power is supplied. To fabricate the Y-type hexagonal ferrite, a calcination process is performed in which iron oxide, barium carbonate and cobalt oxide are combined into base ferrite at a given calcination temperature after being mixed. A sintering process is performed to sinter the base ferrite and the silicate glass at a given sintering temperature which is lower than the calcination temperature after adding the silicate glass to the base ferrite.
    • 提供制造Y型六角铁氧体的方法和使用其的天线。 Y型六角铁氧体包括由氧化铁,碳酸钡和氧化钴组成的基础铁氧体,和添加至基重铁氧体100重量%的0.5至5重量%的硅酸盐玻璃。 天线装置包括形成在其上的磁性载体和天线图案。 磁性载体由这种Y型六角铁氧体形成,并且当供电时天线图案在特定频带内谐振。 为了制造Y型六方晶系铁氧体,在混合后,在给定的煅烧温度下进行氧化铁,碳酸钡,氧化钴与碱铁氧体组合的烧成工序。 在将硅酸盐玻璃添加到基体铁氧体之后,进行烧结工序,烧结基体铁氧体和硅酸盐玻璃,烧结温度比煅烧温度低。