{"title":"手机辐射铁磁波吸收器的设计与制造","authors":"J. Pretorius","doi":"10.1109/EDMO.2004.1412411","DOIUrl":null,"url":null,"abstract":"In this article, the absorber studied is used to insulate a confined area from incident electromagnetic waves. The aim is to block all microwaves from entering the confined area. Application of such absorbers is in the communication field where radio and cell phone signals are unwanted. When an electromagnetic wave hits ferrite particles, the magnetic field part of the wave is cancelled. Using normal wood that is transparent to radio waves, with fine particles of ferrimagnetic material sandwiched in the wood, radio waves are blocked, which allow several networks to operate close by without interference.","PeriodicalId":424447,"journal":{"name":"12th International Symposium on Electron Devices for Microwave and Optoelectronic Applications, 2004. EDMO 2004.","volume":"19 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2004-11-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"15","resultStr":"{\"title\":\"Design and manufacture of a ferrimagnetic wave absorber for cellular phone radiations\",\"authors\":\"J. Pretorius\",\"doi\":\"10.1109/EDMO.2004.1412411\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"In this article, the absorber studied is used to insulate a confined area from incident electromagnetic waves. The aim is to block all microwaves from entering the confined area. Application of such absorbers is in the communication field where radio and cell phone signals are unwanted. When an electromagnetic wave hits ferrite particles, the magnetic field part of the wave is cancelled. Using normal wood that is transparent to radio waves, with fine particles of ferrimagnetic material sandwiched in the wood, radio waves are blocked, which allow several networks to operate close by without interference.\",\"PeriodicalId\":424447,\"journal\":{\"name\":\"12th International Symposium on Electron Devices for Microwave and Optoelectronic Applications, 2004. EDMO 2004.\",\"volume\":\"19 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2004-11-08\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"15\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"12th International Symposium on Electron Devices for Microwave and Optoelectronic Applications, 2004. EDMO 2004.\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/EDMO.2004.1412411\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"12th International Symposium on Electron Devices for Microwave and Optoelectronic Applications, 2004. EDMO 2004.","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/EDMO.2004.1412411","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Design and manufacture of a ferrimagnetic wave absorber for cellular phone radiations
In this article, the absorber studied is used to insulate a confined area from incident electromagnetic waves. The aim is to block all microwaves from entering the confined area. Application of such absorbers is in the communication field where radio and cell phone signals are unwanted. When an electromagnetic wave hits ferrite particles, the magnetic field part of the wave is cancelled. Using normal wood that is transparent to radio waves, with fine particles of ferrimagnetic material sandwiched in the wood, radio waves are blocked, which allow several networks to operate close by without interference.
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