Electromagnetic Interference Shielding Efficiency and Noise Suppression in a Transmission Line for Carbon-Coated Magnetic Composite Films

Lee, J. W.; Lee, C. Y.; Hong, Young Ki; Kim, S. H.; Joo, Jin; Kim, S. W.; Kim, Y. B.; Kim, K. Y.; Yun, Yeonam; Lee, K. S.

doi:10.3938/jkps.53.1434

Cited by 4 publications

(3 citation statements)

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“…These similarities can give birth to impedance mismatches at the electrical junctions resulting in generation of noise and unnecessary electromagnetic (EM) radiations. In addition, the radiations also can be induced by the magnetic field of the signal line; for instance, on a microstrip patch antenna or on printed circuit boards [2]. These kinds of the electromagnetic interference (EMI) can have a detrimental influence on the reliability and EM compatibility of electronic systems.…”

Section: Introductionmentioning

confidence: 99%

Effect of iron-deposited graphene oxides on the electromagnetic wave absorbing property of polymer composite films with Fe-based hollow magnetic fibers for near-field applications

Lee

Seong

et al. 2016

Journal of Alloys and Compounds

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Section: Introductionmentioning

confidence: 99%

Effect of iron-deposited graphene oxides on the electromagnetic wave absorbing property of polymer composite films with Fe-based hollow magnetic fibers for near-field applications

Lee

Seong

et al. 2016

Journal of Alloys and Compounds

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“…In recent years, the development of the semiconducting electronics and intergration of electronic compents have led to a demand for further miniaturization, complanation and higher frequency operation of electronic devices. The electromagnetic interference(EMI) was serious problem in increasing the capability of electronic devices [1][2]. In order to transact this problem, magnetic materials have play an important role.…”

Section: Introductionmentioning

confidence: 99%

Electromagnetic Noise Suppression Characteristics of FeCoBM-Al<sub>2</sub>O<sub>3</sub> Amorphous Soft Magnetic Films

Xiao

Feng

Wang

et al. 2013

AMR

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The electromagnetic noise suppression characteristics of a series of FeCoBM -Al2O3 amorphous soft magnetic films were reported in the frequency range from 0.5GHz to 6 GHz. Effect of dopants on the reflection coefficient (S11), transmission coefficient (S21) and power loss (PLOSS/PIN) of as-deposited FeCoBM(M=Nb, Zr, Hf, Ta, Mo, Ti)-Al2O3 films were studied. The (Fe40Co40B20)89Mo8–(Al2O3)3 film had the highest power loss with the value of 0.85 at 6GHz. The transmission properties of the FeCoBNi-Al2O3 also studied in the paper. The power loss of the (Fe40Co40B20)68.36Ni28.64–(Al2O3)3 film was more than 0.6 from 3.0-6.0GHz, which had the best electromagnetic noise suppression characteristics. These results show that the presented films possesses potential in noise suppressor applied in electronic devices .

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“…RF noise absorption by composites composed of ferromagnetic Fe-based flakes, polymers, ferrites and carbons depends on permeability [6][7][8]. Due to the natural Snoek's empirical limit, where dynamic permeability drops abruptly, the RF noise absorption of magnetic oxides is inhibited in the high-frequency regions.…”

Section: Introductionmentioning

confidence: 99%

Enhanced near-field noise absorption of transparent ZnO nanofilms by Al substitution

Tong¹,

Wu²,

Huang³

et al. 2010

J. Phys. D: Appl. Phys.

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Transparent Al-doped ZnO (AZO) conductive films were prepared by confocal dc-reactive magnetron sputtering using Zn and Al targets in an Ar/O2 reactive atmosphere. The effect of Al substitution on the near-field radio-frequency (RF) noise absorption of the AZO films was investigated. After a standard short–open–load–through calibration, the near-field RF noise attenuation was measured using a RF microstrip test fixture suitable for quasi-transverse electromagnetic wave propagation. The RF noise absorption capability of the AZO films is enhanced from essentially zero to 26% (4–6 GHz) by doping with 5.9% Al. Surface proximity-induced loss is considered the dominating mechanism in the RF noise absorption of AZO films. The crystal quality and morphology are affected significantly by the substitution of Al in AZO films. Dc conductivities, dielectric properties and optical characterizations are also discussed.

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Electromagnetic Interference Shielding Efficiency and Noise Suppression in a Transmission Line for Carbon-Coated Magnetic Composite Films

Cited by 4 publications

References 0 publications

Effect of iron-deposited graphene oxides on the electromagnetic wave absorbing property of polymer composite films with Fe-based hollow magnetic fibers for near-field applications

Effect of iron-deposited graphene oxides on the electromagnetic wave absorbing property of polymer composite films with Fe-based hollow magnetic fibers for near-field applications

Electromagnetic Noise Suppression Characteristics of FeCoBM-Al<sub>2</sub>O<sub>3</sub> Amorphous Soft Magnetic Films

Enhanced near-field noise absorption of transparent ZnO nanofilms by Al substitution

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