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In this work, the TiO2-SrTiO3 hybrids were synthesized by a facile hydrothermal reaction using TiO2 as the titanium precursor under basic condition. By using the synthesized TiO2-SrTiO3 hybrids as fillers, the films of the TiO2-SrTiO3/PVDF composites were prepared. The dielectric property and insulation behavior of the films were investigated. High permittivity and improved breakdown strength of the...
With the increasing needs for higher functionality and higher performance of electronic devices, the packaging technology is developing toward functionalization of the inner space of printed-wiring-boards (PWBs) by embedding active or passive components. As a passive component, embedded capacitors have been actively investigated, because they occupy about 40% amount of surface area on a substrate...
It is relatively rare for us to research Embedded Thin-Film Resistor (ETFR) Materials in domestic. This paper describes the development history and present situation of the ETFR, the whole process technology is told, the urgency of domestic products is revealed, the thermal stability and microscopic characteristics of the Ni-Cr (80/20 wt.%) ETFR material that we have researched are introduced, the...
BaTiO3/Ba0.6Sr0.4TiO3/SrTiO3 (BT/B ST/ST, as one periodic structure) multilayer thin films were deposited on Pt/Ti/SiO2/Si substrates by a sol-gel method. Platinum electrodes were then patterned on the films by sputtering and lithographic process to form metal-ferroelectric-metal (MFM) capacitors. The multilayer thin films were crack free, compact and crystallized in perovskite structure. The crystallization...
Ba0.7Sr0.3TiO3 thin films have been deposited on copper foils via sol-gel method. The films have been processed in almost inert atmosphere so that the substrate oxidation is avoided while allowing the perovskite phase to crystallize. Polyethylene glycol (PEG) with the molecular weight of 200 was employed to modify the BST precursor solutions. The effect of PEG on the microstructure and dielectric...
A new spiral thin-film inductor structure is designed, in which the insulating magnetic thin film takes the places of both the insulating layer and the magnetic layer in the traditional structure. For the fabrication of the insulating magnetic film, a magnetic slurry which is a soft magnetic composite composed of organic polymer and nano Fe3O4 particles was synthesized. The magnetic slurry was synthesized...
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