Switched-capacitor (SC) regulators are important components in many portable electronic applications such as mobile phones and PDAs to provide stable voltage supply for other different processing systems. Conventionally, extra power transistor or auxiliary circuits were used in the regulators for mo.....
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Conventional titanium dioxide (TiO2) coating is prone to scratches and is easy to delaminate through long time application, resulting in frequent needs for replacements. This is due to the fact that the TiO2 coating is often consisted of large aggregated particles with poor adhesion.The present inve.....
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After the outbreak of SARS and other airborne diseases happened recently in Hong Kong, awareness of public about the indoor air quality is aroused. Air purifier, air handling appliances like fan and air conditioner; as well as catalytic reaction to produce fine chemicals all related to the use of Si.....
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A new technology is invented for the fabrication of thin photo-patterned (pixelated) polarizers with a desired local distribution of the polarization axis. This new technology allows thin photo-patterned (pixelated) neutral or color polarizers be fabricated for LCD application. The thickness of a .....
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It is necessary to be able to determine the shape of the foot surface when standing on different shapes so that the comfortable shapes can be determined. The foot is comprised of 26 bones and soft tissues and the optimal configuration for the foot when standing on a surface is really not its natural.....
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