Embedded Capacitors in Printed Wiring Board: A Technological Review

Alam, Mohammed A.; Azarian, Michael H.; Pecht, Michael

doi:10.1007/s11664-012-2044-3

Cited by 25 publications

(13 citation statements)

References 81 publications

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“…Embedded passive components (i.e., resistor, capacitor, and inductor) are increasingly needed for the rapidly developed microelectronic industry . Among them, the capacitors have attracted growing attention in recent years due to their wide uses in filtering, timing, A/D conversion, termination, decoupling, and energy storage .…”

Section: Introductionmentioning

confidence: 99%

High permittivity nanocomposites fabricated from electrospun polyimide/BaTiO₃ hybrid nanofibers

Ding

Jiang

et al. 2014

Polymer Composites

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High dielectric permittivity, good mechanical properties, and excellent thermal stability are highly desired for the dielectric materials used in the embedded capacitors and energy-storage devices. This study reports polyimide (PI)/barium titanate (BaTiO 3 ) nanocomposites fabricated from electrospun PI/BaTiO 3 hybrid nanofibers. The PI/BaTiO 3 nanocomposites were investigated using Fourier transform infrared spectroscopy, scanning electron microscope, transmission electron microscope, thermal gravimetric analysis, an electromechanical testing machine, a LCR meter and an electric breakdown strength tester. The results showed that BaTiO 3 fillers were uniformly dispersed up to 50 vol% in PI matrix. The dielectric permittivity of the composite (50 vol% BaTiO 3 ) was 29.66 with a dielectric loss of 0.009 at 1 kHz and room temperature. The dielectric permittivity showed a very small dependence on temperature (up to 150 C) and frequency (100 Hz-100 kHz). The nanocomposites also showed high thermal stability and good mechanical properties. The PI/BaTiO 3 nanocomposites will be a promising candidate for uses in embedded capacitors, especially in high temperature circumstance. POLYM. COMPOS., 37:794-801,

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Section: Introductionmentioning

confidence: 99%

High permittivity nanocomposites fabricated from electrospun polyimide/BaTiO₃ hybrid nanofibers

Ding

Jiang

et al. 2014

Polymer Composites

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“…1,2 Electronic materials demand embedding capacitors into the inner layers of organic printed circuit boards (PCBs) due to the higher function and more efficiency. 3 In order to meet this requirement, polymer-based materials with high dielectric constant (K) were developed to utilize as dielectrics for embedded capacitors due to their flexibility and compatibility with PCB.…”

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confidence: 99%

High dielectric multiwalled carbon nanotube-polybenzoxazine nanocomposites for printed circuit board applications

Selvi

Vengatesan

Prabunathan

et al. 2013

Applied Physics Letters

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Material with high dielectric constant, low dielectric loss, and good mechanical and thermal properties produced using multi-wall carbon nanotubes wrapped with poly(ether sulphone) in a poly (ether ether ketone) matrix Appl. Phys. Lett. 101, 012904 (2012); 10.1063/1.4733723 Thermal stability and electrical conductivity of multiwalled carbon nanotube (MWCNT)/polymethyl methacrylite (PMMA) nanocomposite prepared via the coagulation method AIP Conf. Effect of filament aspect ratio on the dielectric response of multiwalled carbon nanotube composites J. Appl. Phys. 109, 094109 (2011); 10.1063/1.3569596High dielectric loss and its monotonic dependence of conducting-dominated multiwalled carbon nanotubes/silica nanocomposite on temperature ranging from 373 to 873 K in X -band Appl.

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“…Dielectric materials with superior electrical, mechanical, and thermal properties are the main enabler of electrostatic energy storage devices, known as dielectric capacitors, and have garnered substantial both academic and commercial interests due to their typical capability of delivering an ultrahigh power density, low loss, and withstanding high operating voltage . Being playing critical roles in modern electronic and electrical systems, they have numerous applications in various fields as pulsed power supply technology, energy harvesting, inverters, and passive elements, toward both defense and civil industries. Excellent energy storage capabilities of dielectric materials including high discharged energy density and high energy efficiency have long been eagerly pursued to meet the challenges and needs of the rapid development of modern industry, i.e., the low energy density of current dielectric materials results in overburdened capacitor volume and weight in electrical power systems.…”

Section: Introductionmentioning

confidence: 99%

Superior Energy Storage Performances of Polymer Nanocomposites via Modification of Filler/Polymer Interfaces

Zhang

Dong

et al. 2018

Adv Materials Inter

201

112

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systems, they have numerous applications in various fields as pulsed power supply technology, [8,9] energy harvesting, [10][11][12] inverters, [13][14][15] and passive elements, [16][17][18] toward both defense and civil industries. Excellent energy storage capabilities of dielectric materials including high discharged energy density and high energy efficiency have long been eagerly pursued to meet the challenges and needs of the rapid development of modern industry, i.e., the low energy density of current dielectric materials results in overburdened capacitor volume and weight in electrical power systems. The energy storage performances of dielectric materials are usually multiply determined by three major electrical and dielectric parameters, which are categorized as:1) The breakdown strength E b ;2) The relative permittivity (also called dielectric constant) ε r or electric displacement D (the electric displacement is related to the polarization P by D = P + ε 0 E, here ε 0 = 8.85 × 10 −12 F m −1 is the vacuum permittivity); 3) The dielectric loss tanδ.In general, as illustrated in Figure 1, the discharged energy density of dielectric materials can be determined aswhere E is the applied electric field, and the energy efficiency is calculated by Dielectric polymer nanocomposites by integration of high-E b polymer matrix and high-D(ε r ) ceramic fillers have shown great potential for dielectric and energy storage applications in modern electronic and electrical systems. Interface between ceramic fillers and polymer matrix is considered as a predominant factor to determine the dielectric performances of the nanocomposites. This review analyzes the influence of the interface on dielectric responses and breakdown strength in the nanocomposites, and discusses the viability of current interface engineering strategies in improving their energy storage capabilities. Two scopes of current interface modification approaches are focused from both structural and functional considerations in the dielectric ceramics/polymer nanocomposites: first, the organic/inorganic interface compatibility can be modified to generate homogeneous dispersion of ceramic nanoparticles in polymer matrix, which is the premise of fully realizing the synergistic combination of advantages of polymer and ceramic fillers; second, regulated local electrical and dielectric behaviors in interface region enable the enhancement of dielectric properties (both high dielectric constant and high breakdown strength) in resultant nanocomposites. In the last part, some present challenges and future perspectives are proposed to utilize the interface strategy for developing high energy density ceramics/ polymer nanocomposites for dielectric and energy storage applications.

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Embedded Capacitors in Printed Wiring Board: A Technological Review

Cited by 25 publications

References 81 publications

High permittivity nanocomposites fabricated from electrospun polyimide/BaTiO₃ hybrid nanofibers

High permittivity nanocomposites fabricated from electrospun polyimide/BaTiO₃ hybrid nanofibers

High dielectric multiwalled carbon nanotube-polybenzoxazine nanocomposites for printed circuit board applications

Superior Energy Storage Performances of Polymer Nanocomposites via Modification of Filler/Polymer Interfaces

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Embedded Capacitors in Printed Wiring Board: A Technological Review

Cited by 25 publications

References 81 publications

High permittivity nanocomposites fabricated from electrospun polyimide/BaTiO3 hybrid nanofibers

High permittivity nanocomposites fabricated from electrospun polyimide/BaTiO3 hybrid nanofibers

High dielectric multiwalled carbon nanotube-polybenzoxazine nanocomposites for printed circuit board applications

Superior Energy Storage Performances of Polymer Nanocomposites via Modification of Filler/Polymer Interfaces

Contact Info

Product

Resources

About

High permittivity nanocomposites fabricated from electrospun polyimide/BaTiO₃ hybrid nanofibers

High permittivity nanocomposites fabricated from electrospun polyimide/BaTiO₃ hybrid nanofibers