{"title":"一种铁磁流体驱动的液态金属射频开关","authors":"A. Combs, Kevin A. Kam, A. Ohta, W. Shiroma","doi":"10.1109/IMWS-AMP.2018.8457161","DOIUrl":null,"url":null,"abstract":"Ferrofluidic actuation of liquid metal, demonstrated for the first time on an RF device, employs the magnetic response of a low-loss hydrocarbon-based ferrofluid for a simple RF switch. The ferrofluid is shown to reduce losses by an average of 4.9 dB from 50 MHz to 20 GHz compared to a lossy aqueous solution commonly used in existing actuation methods for liquid metal. These results offer a promising alternative for liquidmetal reconfigurable RF circuits.","PeriodicalId":6605,"journal":{"name":"2018 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","volume":"19 1","pages":"1-3"},"PeriodicalIF":0.0000,"publicationDate":"2018-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"A Ferrofluidically Actuated Liquid-Metal RF Switch\",\"authors\":\"A. Combs, Kevin A. Kam, A. Ohta, W. Shiroma\",\"doi\":\"10.1109/IMWS-AMP.2018.8457161\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Ferrofluidic actuation of liquid metal, demonstrated for the first time on an RF device, employs the magnetic response of a low-loss hydrocarbon-based ferrofluid for a simple RF switch. The ferrofluid is shown to reduce losses by an average of 4.9 dB from 50 MHz to 20 GHz compared to a lossy aqueous solution commonly used in existing actuation methods for liquid metal. These results offer a promising alternative for liquidmetal reconfigurable RF circuits.\",\"PeriodicalId\":6605,\"journal\":{\"name\":\"2018 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)\",\"volume\":\"19 1\",\"pages\":\"1-3\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2018-07-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2018 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IMWS-AMP.2018.8457161\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IMWS-AMP.2018.8457161","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
A Ferrofluidically Actuated Liquid-Metal RF Switch
Ferrofluidic actuation of liquid metal, demonstrated for the first time on an RF device, employs the magnetic response of a low-loss hydrocarbon-based ferrofluid for a simple RF switch. The ferrofluid is shown to reduce losses by an average of 4.9 dB from 50 MHz to 20 GHz compared to a lossy aqueous solution commonly used in existing actuation methods for liquid metal. These results offer a promising alternative for liquidmetal reconfigurable RF circuits.
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