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公开(公告)号：US20180081006A1
公开(公告)日：2018-03-22
申请号：US15268397
申请日：2016-09-16
发明人： Fraser John Laing Robb , Robert Steven Stormont , Youqing Zhang , Victor Taracila , Miguel Angel Navarro, II , Dan Kenrick Spence , Shuying Huang , Peter Roemer
CPC分类号： G01R33/3685 , G01R33/341 , G01R33/3657
摘要： Various methods and systems are provided for a disconnecting a receive coil from a transmit coil of a magnetic resonance (MR) system during a transmit operation. In one example, a cabling system may include a first line of coil-interfacing cable having a first set of hybrid switches, the first set of hybrid switches including a first switch, a first resonance circuit, and a second switch connected in series, and a second line of the coil-interfacing cable having a second set of hybrid switches, the first line and the second line of the coil-interfacing cable operably coupling one or more radio frequency (RF) coil elements to respective channels of the MR system. By positioning the first and the second sets of hybrid switches along different locations along the coil-interfacing cables, and simultaneously operating each set of hybrid switches, common mode currents may be interrupted along the coil-interfacing cables.
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公开(公告)号：US09117610B2
公开(公告)日：2015-08-25
申请号：US14314344
申请日：2014-06-25
CPC分类号： H01H59/0009 , B81B7/008 , B81B2201/00 , H01H2059/0018
摘要： A system includes a plurality of micro-electromechanical switches including a plurality of gates, coupled to each other. Each micro-electromechanical switch includes a beam electrode disposed on a substrate. A beam includes an anchor portion coupled to the beam electrode. The beam includes a first beam portion extending from the anchor portion along a first direction; and a second beam portion extending from the anchor portion along a second direction opposite to the first direction. A first control electrode and a first contact electrode are disposed on the substrate, facing the first beam portion. A second control electrode and a second contact electrode are disposed on the substrate, facing the second beam portion. The first control electrode and the second control electrode are coupled to form a gate among the plurality of gates. The plurality of micro-electromechanical switches is arranged in at least one of a series arrangement, parallel arrangement.
摘要翻译： 一种系统包括多个彼此耦合的包括多个门的微机电开关。 每个微机电开关包括设置在基板上的束电极。 梁包括联接到梁电极的锚固部分。 梁包括从锚固部分沿着第一方向延伸的第一梁部分; 以及从所述锚固部分沿着与所述第一方向相反的第二方向延伸的第二梁部分。 第一控制电极和第一接触电极设置在基板上，面对第一光束部分。 第二控制电极和第二接触电极设置在基板上，面对第二光束部分。 第一控制电极和第二控制电极被耦合以在多个栅极之间形成栅极。 多个微电子机械开关被布置成串联布置，平行布置中的至少一个。
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公开(公告)号：US10254361B2
公开(公告)日：2019-04-09
申请号：US15268397
申请日：2016-09-16
发明人： Fraser John Laing Robb , Robert Steven Stormont , Youqing Zhang , Victor Taracila , Miguel Angel Navarro, II , Dan Kenrick Spence , Shuying Huang , Peter Roemer
IPC分类号： G01R33/36 , G01R33/341
摘要： Various methods and systems are provided for a disconnecting a receive coil from a transmit coil of a magnetic resonance (MR) system during a transmit operation. In one example, a cabling system may include a first line of coil-interfacing cable having a first set of hybrid switches, the first set of hybrid switches including a first switch, a first resonance circuit, and a second switch connected in series, and a second line of the coil-interfacing cable having a second set of hybrid switches, the first line and the second line of the coil-interfacing cable operably coupling one or more radio frequency (RF) coil elements to respective channels of the MR system. By positioning the first and the second sets of hybrid switches along different locations along the coil-interfacing cables, and simultaneously operating each set of hybrid switches, common mode currents may be interrupted along the coil-interfacing cables.
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公开(公告)号：US20140305777A1
公开(公告)日：2014-10-16
申请号：US14314344
申请日：2014-06-25
IPC分类号： H01H59/00
CPC分类号： H01H59/0009 , B81B7/008 , B81B2201/00 , H01H2059/0018
摘要： A system includes a plurality of micro-electromechanical switches including a plurality of gates, coupled to each other. Each micro-electromechanical switch includes a beam electrode disposed on a substrate. A beam includes an anchor portion coupled to the beam electrode. The beam includes a first beam portion extending from the anchor portion along a first direction; and a second beam portion extending from the anchor portion along a second direction opposite to the first direction. A first control electrode and a first contact electrode are disposed on the substrate, facing the first beam portion. A second control electrode and a second contact electrode are disposed on the substrate, facing the second beam portion. The first control electrode and the second control electrode are coupled to form a gate among the plurality of gates. The plurality of micro-electromechanical switches is arranged in at least one of a series arrangement, parallel arrangement.
摘要翻译： 一种系统包括多个彼此耦合的包括多个门的微机电开关。 每个微机电开关包括设置在基板上的束电极。 梁包括联接到梁电极的锚固部分。 梁包括从锚固部分沿着第一方向延伸的第一梁部分; 以及从所述锚固部分沿着与所述第一方向相反的第二方向延伸的第二梁部分。 第一控制电极和第一接触电极设置在基板上，面对第一光束部分。 第二控制电极和第二接触电极设置在基板上，面对第二光束部分。 第一控制电极和第二控制电极被耦合以在多个栅极之间形成栅极。 多个微电子机械开关被布置成串联布置，平行布置中的至少一个。
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