Results 1 to 10 of about 2,877,930 (285)

Dielectric Loss Mechanism in Electromagnetic Wave Absorbing Materials [PDF]

open access: yesAdvanced Science, 2022
Electromagnetic (EM) wave absorbing materials play an increasingly important role in modern society for their multi‐functional in military stealth and incoming 5G smart era.
Ming Qin, Limin Zhang, Hongjing Wu
doaj   +3 more sources

An Online Monitoring Method for Low-Frequency Dielectric Loss Angle of Mining Cables [PDF]

open access: yesSensors, 2023
The dielectric loss angle can better reflect the overall insulation level of mining cables, so it is necessary to implement reliable and effective online monitoring of the dielectric loss angle of mining cables.
Yanwen Wang   +3 more
doaj   +2 more sources

Progress on Polymer Composites With Low Dielectric Constant and Low Dielectric Loss for High-Frequency Signal Transmission

open access: yesFrontiers in Materials, 2021
The development of information transmission technology towards high-frequency microwaves and highly integrated and multi-functional electronic devices has been the mainstream direction of the current communication technology.
Lu Wang   +4 more
doaj   +3 more sources

Dielectric resonator bandstop filters [PDF]

open access: yes, 2011
Dielectric resonators have been widely employed in wireless and satellite communication systems due to their inherently large Q allowing them to fashion low loss and narrow bandwidth filters.
Chan, Richard Kayip
core   +6 more sources

Dielectric resonators and filters for cellular base-stations [PDF]

open access: yes, 2003
The investigation into three types of dielectric resonators for use in base-station filtering applications is presented. The triple-mode cubic TE016 resonator is shown to have good performance for high Q applications.
Walker, Vanessa Evelyne Guillemette
core   +6 more sources

Development of lead-free thin-film dielectrics for capacitor applications [PDF]

open access: yes, 2010
This PhD project aims to develop lead-free thin-film dielectric materials for fixed value, voltage tunable and high-k zipping variable capacitors using growth techniques that can be scaled for silicon batch fabrication.
Darbyshire, David Anthony
core   +7 more sources

Dielectric Loss of EPDM Insulation Subjected to Thermal Stress and Pressure

open access: yesIEEE Access, 2022
The insulation performance of ethylene propylene diene monomers (EPDMs) subjected to multi-stresses in the field is always obscure. To understand the effects of temperature and pressure on the performance of the EPDMs used as insulators for power cables,
Zhipeng Lei   +7 more
doaj   +1 more source

Synthesis and properties of PI composite films using carbon quantum dots as fillers

open access: yese-Polymers, 2022
Polyimide (PI) is widely used in the field of microelectronics because of its excellent thermal, mechanical, optical, and electrical properties. With the development of electronics and information industry, PI as a dielectric material needs to possess ...
Zhang Yuyin   +6 more
doaj   +1 more source

Synthesize Nano ZnO-ZrO2 Composite by Combustion Method and Studying their Dielectric Properties [PDF]

open access: yesEngineering and Technology Journal, 2012
Combustion method had been used to prepare a composite material from doping ZnO by 10 mol% ZrO2 . XRD showed a good crystalline powder comparing with ASTM cards.
Fadhil A.Chyad
doaj   +1 more source

Regulating dielectric performances of Poly(vinylidene fluoride) nanocomposites by individually controlling shell thickness of Core@Double‐Shells structured nanowires

open access: yesIET Nanodielectrics, 2021
The synthesis of core@double‐shells structured TiO2@C@SiO2 nanowires (NWs) with variable thickness of carbon inner shell and SiO2 outer shell was achieved by individually controlling the chemical vapour deposition time and amount of silicon precursor ...
Minhao Yang   +7 more
doaj   +1 more source

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