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    • 3. 发明申请
    • MICROWAVE ANTENNA AND METHOD FOR MAKING SAME
    • 微波天线及其制造方法
    • US20110010926A1
    • 2011-01-20
    • US12888473
    • 2010-09-23
    • Alexandros Margomenos
    • Alexandros Margomenos
    • H01P11/00
    • B29C59/02B29C59/026H01Q1/32H01Q13/02H01Q13/0283Y10T29/49016
    • A method for fabricating a microwave horn antenna in which a thermoplastic sacrificial layer is mounted to a thermoplastic horn layer. A heated horn embossing plate having at least one horn shaped embossing element is then moved into the horn layer so that the horn element penetrates through the horn layer and extends partially into the sacrificial layer thus forming a horn opening in the horn layer complementary in shape to the horn element. The horn layer and sacrificial layer are then separated from each other and the horn opening and at least a portion of the back surface of the horn layer is covered with a metal coating. A thermoplastic wave guide layer formed by embossing wave guide channels into the layer is covered with metal and attached to the back side of the horn layer to form the antenna. Alternatively, a portion of the horn and the remaining portion of a microwave channel are formed in both a first and second thermoplastic section. These portions of the microwave guide channel and horn are then coated with a metal material and the sections are secured together in a facing relationship so that the horn portions and wave guide channel portions on both the first and second sections register with each other.
    • 一种制造微波喇叭天线的方法,其中热塑性牺牲层安装在热塑性喇叭层上。 具有至少一个喇叭形压花元件的加热喇叭压花板然后被移动到喇叭层中,使得喇叭元件穿透喇叭层并部分地延伸到牺牲层中,从而在喇叭形层中形成一个喇叭形开口,形状互补,形状与 喇叭元素。 然后将喇叭层和牺牲层彼此分离,喇叭开口和喇叭层的后表面的至少一部分被金属涂层覆盖。 通过将波导通道压印到该层中而形成的热塑性波导层被金属覆盖并附接到喇叭层的背面以形成天线。 或者,喇叭的一部分和微波通道的剩余部分形成在第一和第二热塑性部分中。 然后微波引导通道和喇叭的这些部分涂覆有金属材料,并且这些部分以面对的关系固定在一起,使得第一和第二部分上的喇叭部分和波导通道部分彼此配准。
    • 4. 发明申请
    • WAVEGUIDE TO MICROSTRIP TRANSITION
    • 波导到微波转换
    • US20100225410A1
    • 2010-09-09
    • US12400027
    • 2009-03-09
    • Alexandros MargomenosPaul D. Schmalenberg
    • Alexandros MargomenosPaul D. Schmalenberg
    • H03H5/00
    • H01P5/107
    • A waveguide to microstrip transition having a waveguide open at one end. A dielectric substrate includes a first and a second side and a ground plane covers the first side of the substrate. The dielectric substrate overlies the waveguide opening so that the ground plane faces the waveguide and an opening in the ground plane registers with the waveguide opening. A back short having a housing is positioned on the second side of the dielectric substrate. The back short housing forms a cavity which registers with at least a portion of the ground plane opening so that microwave energy from the waveguide passes through the dielectric substrate and into the cavity defined by the back short housing. The back short housing has at least one opening to the cavity along the second side of the dielectric substrate. A pair of spaced apart microstrips on the second side of the substrate each have a free end positioned in the cavity so that the free ends of the microstrips are spaced apart from each other.
    • 波导到微带转换,其波导在一端开口。 电介质基板包括第一侧面和第二侧面,并且接地面覆盖基板的第一面。 电介质衬底覆盖波导开口,使得接地平面面向波导,并且接地平面中的开口与波导开口对准。 具有壳体的背部短距离定位在电介质基板的第二侧上。 后短壳体形成空腔,其与接地平面开口的至少一部分对准,使得来自波导的微波能量通过电介质基板并进入由后短壳体限定的空腔中。 后短壳体具有沿着电介质基板的第二侧的至少一个到空腔的开口。 在基板的第二侧上的一对间隔开的微带,每个具有位于空腔中的自由端,使得微带的自由端彼此间隔开。
    • 10. 发明授权
    • Membrane suspended MEMS structures
    • 膜悬浮MEMS结构
    • US07824997B2
    • 2010-11-02
    • US12056780
    • 2008-03-27
    • Alexandros MargomenosLinda P. B. KatehiYuxing Tang
    • Alexandros MargomenosLinda P. B. KatehiYuxing Tang
    • H01L21/20
    • H03H9/462H01P1/127
    • A method for micro-machining a varactor that is part of a membrane suspended MEMS tunable filter. In one non-limiting embodiment, the method includes providing a main substrate; depositing a membrane on the main substrate; depositing and patterning a plurality of sacrificial photoresist layers at predetermined times during the fabrication of the varactor; depositing metal layers that define a fabricated varactor structure enclosed within photoresist; coupling a carrier substrate to the fabricated structure opposite to the main substrate using a release layer; etching a central portion of the main substrate to expose the membrane; removing the carrier substrate by dissolving the release layer in a material that attacks the release layer but does not dissolve the photoresist; and removing the photoresist layers to provide a released varactor.
    • 一种用于微机械加工可变电抗器的方法,该变容二极管是膜悬浮的MEMS可调滤波器的一部分。 在一个非限制性实施例中,该方法包括提供主衬底; 在主衬底上沉积膜; 在制造变容二极管期间的预定时间沉积和图案化多个牺牲光致抗蚀剂层; 沉积限定在光致抗蚀剂内包围的制造的变容二极管结构的金属层; 使用剥离层将载体衬底耦合到与主衬底相对的制造结构; 蚀刻主衬底的中心部分以暴露膜; 通过将剥离层溶解在攻击剥离层但不溶解光致抗蚀剂的材料中去除载体基材; 并去除光致抗蚀剂层以提供释放的变容二极管。