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In this work, we show on theoretical modeling of light-emitting didoes (LEDs) with antireflective subwavelength structures (SWSs) for enhanced light extraction efficiency and uniform field distribution. Theoretical analysis and geometrical optimization of SWSs are described based on rigorous coupled-wave analysis (RCWA) and finite-difference time domain (FDTD) methods. The results show the effect...
We present diffraction efficiencies of hollow silica nanospheres coated layer by calculation using a rigorous coupled wave analysis (RCWA) method. The results show the effect of inner ratios, diameters on the diffraction efficiency. We also compare reflection / transmission characteristics with conventional antireflection coatings.
The typical electrical properties of triple-gate SOI MOSFETs are investigated. The relationship between the short-channel effect (SCE) and the inter-gate coupling effect is studied as a function of the channel length and width. The three-dimensional coupling effect due to electric field penetration from substrate to channel, from source and drain to body, and from lateral gates to back interface is...
This paper describes the development of metallic bipolar plate fabrication using micro-electroforming process for mini-DMFC (direct methanol fuel cell) stacks. Ultraviolet (UV) lithography was used to define micro-fluidic channels using a photomask and exposure process. Micro-fluidic channels mold with 300 mum thick and 500 mum wide were firstly fabricated in a negative photoresist onto a stainless...
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