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Polyimides (PI) are widely used in microelectronic industries because of their outstanding characteristics such as good mechanical, thermal and dielectric properties. In this paper, a novel PI/SiO2-Al2O3 co-doped composite film was prepared. The inorganic phases of SiO2 were added to PAA solution by sol-gel method with TEOS as precursor, while the Al2O3 phase was added as particles by ultrasonic-mechanical...
In this paper, recombination rate of charge in low density polyethylene (LDPE) film was figured out by measuring the photon released from the film when the film was short-circuit discharge after been set to high voltage of direct current (HVDC) for certain duration. Under a series of designed condition including changing the polarity of HVDC, the value of applied field and the time duration of applied...
In this paper, luminous intensity during the process of detrapping and recombination was measured at room temperature, and the intensity under different applied fields and time are compared. The sample is a LDPE film with thickness 25 mum, and 30 nm Au is coated on both sides of the film.
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