오늘날 게임산업은 다양한 멀티미디어 콘텐츠의 등장과 프로게이머와 같은 새로운 직업을 창출할 정도로 급격한 발전을 이루고 있다. 하지만 게임업체와 개발자들은 게임 개발 비용의 증가와 창의적인 게임의 정체라는 문제점을 해결해야 하는 새로운 패러다임에 직면해 있다. 유명 게임 개발사와 게임기 개발사들이 오픈소스 개발 툴을 제공하고, 사용자가 제작한 콘텐츠가 포털에서 공유하거나 서비스하는 방향으로 진행되고 있다. 본 논문은 GameOVEN이 새로운 사용자 참여형 게임 패러다임을 이끌어 나갈 수 있을 것인지 분석하고 새로운 방향을 제시하고자 한다.

Electrochemical deposition characteristics of CdSe nanorods were investigated for hybrid solar cell applications. CdSe nanorods were fabricated by electrochemical method in CdSO4 and H2SeO3 dissolved aqueous solution using an anodic aluminum oxide (AAO) template. Uniformity of CdSe nanorods was dependent on the diameter and the height of holes in AAO. The current density, current mode, bath composition and temperature were controlled to obtain a 1:1 atomic composition of CdSe. CdSe nanorods deposited by direct-current method showed better uniformity compared to those deposited by purse-current and/or purse-reverse current methods due to the bottom-up filling characteristics. H2SeO3 concentration showed more significant effects on pH of solution and stoichiometry of deposits compared to that of CdSO4. A 1:1 stoichiometry of uniform CdSe nanorods was obtained from 0.25M CdSO4-5 mM H2SeO3 electrolytes with a direct current of 10 mA/cm2 at room temperature. X-ray diffraction and electron diffraction pattern investigations demonstrate that CdSe nanorods are a uniform cubic CdSe crystal.

Electrospinning is a technique that produces sub-micron sized continuous fibers by electric force from polymer solutions or melts. Due to its versatile manufacturability and the cost effectiveness, this method has been recently adopted for the fabrication of one-dimensional materials. Here, we fabricated polyacrylonitrile (PAN) polymer fibers, from which uniform carbon fibers with diameters of 100-200 nm were obtained after carbonization at 800 ˚C in N2. Special emphasis was directed to the influence of the phase separated polymer solution on the morphology and the microstructure of the resulting carbon fiber. The addition of poly(stylene-co-acrylonitile) (SAN) makes the polymer solution phase separated, which allows for the formation of internal pores by its selective elimination after electrospinning. XPS and Raman Spectroscopy were used to confirm the surface composition and the degree of carbonization. At the PAN:SAN = 50:50 in vol%, the uniform carbon fibers with diameters of 300~500 nm and surface area of 131.6 m2g-1 were obtained.

This study presents the method of design and manufacturing of aspheric lens for flow visualization. Spherical lens is used in many fields especially flow visualization experiment. Because sperical lens has aberration by origin in flow visualization, there is case that is alternated by asperic lens. Most of asperic lens's modeling which is applied to Taylor's method. This study is designed to the aspheric lens by Euler's method, which is useful method for various geometric shape and complex experimental apparatus for flow visualization. In the present study, we have verified design and manufacturing aspheric lens through a flow visualization experiment.

Nanofabrication is an essential process throughout industry. Technologies that produce general nanofabrication, such as e-beam lithography, dip-pen lithography, DUV lithography, immersion lithography, and laser interference lithography, have drawbacks including complicated processes, low throughput, and high costs, whereas nano-transfer printing (nTP) is inexpensive, simple, and can produce patterns on non-plane substrates and multilayer structures. In general nTP, the coherency of gold-deposited stamps is strengthened by using SAM treatment on substrates, so the gold patterns are transferred from stamps to substrates. However, it is hard to apply to transfer other metallic materials, and the existing nTP process requires a complicated surface treatment. Therefore, it is necessary to simplify the nTP technology to obtain an easy and simple method for fabricating metal patterns. In this paper, asnTP process with poly vinyl alcohol (PVA) mold was proposed without any chemical treatment. At first, a PVA mold was duplicated from the master mold. Then, a Mo layer, with a thickness of 20 nm, was deposited on the PVA mold. The Mo deposited PVA mold was put on the Si wafer substrate, and nTP process progressed. After the nTP process, the PVA mold was removed using DI water, and transferred Mo nano patterns were characterized by a Scanning electron micrograph (SEM) and Energy Dispersive spectroscopy (EDS).

Semi-automatic cryogenic-preconcentrator is constructed with time controlling function in preconcentration and desorption stage. GC-FPD and cryogenic-preconcentrator were to analyze gaseous sulfur compounds (hydrogen sulfide, methanethiol, dimethyl sulfide, and dimethyl disulfide) in ppbv level. The objective of this study was to offer reliable methods for sulfur gas analysis in all procedures (keeping, concentration, desorption, and detection). The cryo-concentrator was able to concentrate 4 L gas sample of 40 % relative humidity. The recovery rate of the system was in the range of 92~100 % at 30 seconds of pre-heating time, and method detection limits were shown up 0.16~0.20 ng which is able to quantify 1 ppbv level with 0.5 L gas sample. The storage time of 5 ppbv sample in polyethylene bag led to serious loss (e.g; H₂S: loss of 30% after storage 3 days). It was estimated that the analytical bias was affected more sensitively by storage time after sampling than by cryo-injection procedures in the analysis of hydrogen sulfide and methanethiol.

The effect of annealing under argon atmosphere on hydrogenated amorphous silicon (a-Si:H) thin films deposited at room temperature and 300˚C using Radio Frequency (RF) magnetron sputtering has been investigated. For the films deposited at room temperature, there was not any increase in hydrogen content and optical band gap of the films, and as a result, quality of the films was not improved under any annealing conditions. For the films deposited at 300˚C, on the other hand, significant increases in hydrogen content and optical band gap were observed, whereas values of microstructure parameter and dark conductivity were decreased upon annealing below 300˚C. In this study, it was proposed that the Si-HX bonding strength is closely related to deposition temperature. Also, the improvement in optical, electrical and structural properties of the films deposited at 300˚C was originated from thermally activated hydrogen bubbles, which were initially trapped at microvoids in the films.

Silicon carbide (SiC) is a promising material for power device applications due to its wide band gap(3.26 eV for 4H-SiC), high critical electric field and excellent thermal conductivity. The Schottky barrier diodeis the representative high-power device that is currently available commercially. A field plate edge-terminated4H-SiC was fabricated using a lift-off process for opening the Schottky contacts. In this case, Ni/Ti dual-metalcontacts were unintentionally formed at the edge of the Schottky contacts and resulted in the degradation ofthe electrical properties of the diodes. The breakdown voltage and Schottky barrier height (SBH, ΦB) was 107V and 0.67eV, respectively. To form homogeneous single-metal Ni/4H-SiC Schottky contacts, a deposition andetching method was employed, and the electrical properties of the diodes were improved. The modified SBDsshowed enhanced electrical properties, as witnessed by a breakdown voltage of 635V, a Schottky barrier heightof ΦB=1.48eV, an ideality factor of n=1.04 (close to one), a forward voltage drop of VF=1.6V, a specific onresistance of Ron=2.1mΩ-cm2 and a power loss of PL=79.6Wcm-2.

오늘날 게임의 대형 산업화는 각종 새로운 멀티미디어 콘텐츠 및 새로운 직업까지 창출 하고 있다. 하지만 게임을 개발해내야 하는 게임 업체와 개발자들의 입장에서 게임을 개발하는 기술은 새로운 패러다임을 요구하는 것이 현재 우리가 처한 현실이다. 거대한 개발 투자 비용에 비해 창의적인 게임의 정체는 이미 예견되고 있으며, 그것을 해결하고자 새로운 솔루션이 개발되기 위한 노력이 지속 되고 있다. 이런 움직임 속에서 Microsoft가 발표한 새로운 패러다임을 제시하기 위한 솔루션이 XNA이다. Microsoft의 XNA가 향후 새로운 게임의 패러다임을 이끌어 나갈 수 있는 새로운 솔루션이 될 수 있을 것인지 통찰하여 게임 패러다임의 새로운 방향을 제시해 보고자 한다.

모션 정보를 포함한 비디오 영상으로 인해 컴퓨터 비젼 분야에서 비디오의 활용은 중요한 연구 분야가 되었다. 또한 실시간에서 사람 모션의 인식과 분석에 대한 관심의 증가하고 있다. 인간 모션 분석의 첫 단계는 비디오에서 움직이는 대상을 추출하는 것이다. 배경차를 이용한 방법은 가장 완전한 특징 데이터를 제공하지만, 조명과 외부 요인 때문에 환경 때문에 동적 장면 변화에 매우 민감하다. 이 연구에서는 적응적인 배경 조정을 사용하여 움직임 없는 배경 비디오에서 전경을 분할하고 검출하기 위한 효율적인 방법을 제안한다. 배경 조정 영상과 모션 영상간의 배경 차이 방법에 의해 배경으로부터 전경을 결정한다. 마지막으로, 비디오에서부터 분할된 사람의 모션을 기반으로 몰입형 2D게임을 개발한다.