• Title/Summary/Keyword: structured

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Bendable ac-PDP using Fence-Structured Electrodes on Polyethylene Terephthalate Substrate

  • Choi, Won-Yeol;Hong, Cho-Rong;Kim, Yong-Seog
    • 한국정보디스플레이학회:학술대회논문집
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    • 2007.08a
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    • pp.593-596
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    • 2007
  • A possibility of manufacturing bendable ac-PDP using aluminum electrode with anodic aluminum oxide dielectric material system on PET film substrate was explored. For this structure, PET film with fence-structured aluminum electrodes was used for front plate and PET film with barrier ribs of UV curable resin for the rear plate. The results demonstrate that it is feasible to manufacture the bendable ac-PDPs using those material system and are expected to expand the applications of plasma display panels.

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Characteristics of Polysilicon Thin Film Transistor with LDD Structure (LDD 구조의 다결성 실리콘 박막 트랜지스터의 특성)

  • 황한욱;황성수;김용상
    • Journal of the Korean Institute of Electrical and Electronic Material Engineers
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    • v.11 no.7
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    • pp.522-526
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    • 1998
  • We have fabricated a LDD structured polysilicon thin film transistor with low leakge current and the optimized LDD length has been obtained. The device performance is improved is improved by hydrogen passivation process. The on.off current ratio of poly0Si TFT s with $0.5{\mu}m$ and $1.0{\mu}m$ LDD length is much higher than that of conventional structured device due to the decrease of leakege current. The optimized LDD length may be $0.5{\mu}$ from the experimental data such as on/off current ratio, threshold voltage and hydrogenation effect.

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New constructive model for structures soil

  • Zhang, Sheng;Li, Haichao;Teng, Jidong
    • Geomechanics and Engineering
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    • v.11 no.5
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    • pp.725-738
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    • 2016
  • A theoretical study of the behavior of structured soils is presented herein. By introducing the effect of soil structure and loading history into the Cam Clay model, a new model was formulated. The concept of differing void ratios was modified to combine structural parameters and the over consolidation ratio, and an evolution law was proposed. Upon introducing the concept of the subloading yield surface, a new two-yield surface model was obtained. The predicted results were compared to the experimental data, demonstrating that the new model provided satisfactory qualitative modeling of many important features of structured soils.

A Study on the Design of an Electronic Interlocking Software Using the Object-Oriented Method (객체지향 기법을 이용한 전자연동 소프트웨어의 설계에 관한 연구)

  • 이재호;이병일;박영수;이재훈;이기서
    • Proceedings of the KSR Conference
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    • 2000.05a
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    • pp.284-291
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    • 2000
  • Interlocking software used in the electronic interlocking has been implemented through the structured approach until now. But there was the demerit that interlocking software has some problem in the standardization and the maintenance because of the limit in structured approach. Object-Oriented method overcoming this demerit was specified in the design step and the analysis step. There were object model, dynamic model and functional model in the analysis step and there were also two steps which were system design and object design in the design step. In this paper, Interlocking software was designed using Object-Oriented method to improve the standardization and the maintenance of the electronic interlocking. The electronic interlocking was analyzed with object modeling, dynamic modeling and functional modeling.

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Structured Controller Synthesis Using a Penalized LMI Method (페널티화된 LMI를 이용한 구조적 제약이 있는 제어기 설계)

  • Kim Seog-Joo;KWon Soonman Kwon;Cheon Jong-Min;Moon Young-Hyun
    • Journal of Institute of Control, Robotics and Systems
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    • v.11 no.8
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    • pp.656-661
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    • 2005
  • This paper is concerned with an iterative linear matrix inequality (LMI) approach to the design of a structurally constrained output feedback controller such as decentralized control. The structured synthesis is formulated as a novel rank-constrained LMI optimization problem, where the controller parameters are explicitly described so as to impose structural constraints on the parameter matrices. An iterative penalty method is applied to solve the rank-constrained LMI problem. Numerical experiments are performed to illustrate the effectiveness of the proposed method.

Three dimensional data acquisition system using structured light and image processing (구조화 조명과 영상 처리를 이용한 3차원 데이터 획득 시스템)

  • 전희성;박제홍;고문석
    • Journal of the Korean Institute of Telematics and Electronics S
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    • v.35S no.5
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    • pp.83-93
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    • 1998
  • Three dimensional data acquisition system based on the structured light is developed in this work. The system is composed of a CCD camera, slide projector, and various image processing programs. Calibration procedures and several image processing steps which are necessary to get the rnage data are described. A new grid labeling technique and a grid pattern are devised to improve the accuracy of th eobtained data. Preliminary experimental result shows that the developed system may be used as a simple and cheap 3D data acquisition system. Severla suggestions are included for further research.

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Impact of Brand Equity on Purchase Intention of Smart Phones

  • Gautam, Dhruba Kumar;Shrestha, Sajeeb Kumar
    • Asia-Pacific Journal of Business
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    • v.9 no.1
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    • pp.1-18
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    • 2018
  • This study aimed to examine the effect of brand equity dimensions measuring the impact of brand equity on purchase intension of smart phones in Kathmandu. Descriptive and causal research design was used for the study. Structured questionnaires were administered for collecting data. Structured equation modeling was applied for validating the proposed model and measuring the influence of brand equity dimensions on purchase intentions of smart phones. Independent sample t-test and ANOVA was used to test the effect of moderating variables on purchase intention. The research fount brand loyalty and brand awareness were the influential factors for purchase intention of smart phones. Females performed significantly more than males in purchase intention. Qualification had no significant differences on purchase intention of smart phones. The findings of this study add values to the literature and its applicability of brand equity, brand awareness and purchase intensions which helps to formulate polices and strategies.

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Hydrogen sensing of Nano thin film and Nanowire structured cupric oxide deposited on SWNTs substrate: A comparison

  • Hoa, Nguyen Duc;Quy, Nguyen Van;O, Dong-Hun;Wei, Li;Jeong, Hyeok;Kim, Do-Jin
    • Proceedings of the Materials Research Society of Korea Conference
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    • 2009.05a
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    • pp.52.1-52.1
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    • 2009
  • Cupric oxide (CuO) is a p-type semiconductor with band gap of ~1.7 eV and reported to be suitable for catalysis, lithium-copper oxide electrochemical cells, and gas sensors applications. The nanoparticles, plates and nanowires of CuO were found sensing to NO2, H2S and CO. In this work, we report about the comparison about hydrogen sensing of nano thin film and nanowires structured CuO deposited on single-walled carbon nanotubes (SWNTs). The thin film and nanowires are synthesized by deposition of Cu on different substrate followed by oxidation process. Nano thin films of CuO are deposited on thermally oxidized silicon substrate, whereas nanowires are synthesized by using a porous thin film of SWNTs as substrate. The hydrogen sensing properties of synthesized materials are investigated. The results showed that nanowires cupric oxide deposited on SWNTs showed higher sensitivity to hydrogen than those of nano thin film CuO did.

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Development of Inspection System With Optical Scanning Mechanism and Near-Infrared Camera Optics for Solar Cell Wafer (광학스캐닝 메커니즘 및 근적외선 카메라 광학계를 이용한 태양전지 웨이퍼 검사장치 개발)

  • Kim, Gyung Bum
    • Journal of the Semiconductor & Display Technology
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    • v.11 no.3
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    • pp.1-6
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    • 2012
  • In this paper, inspection system based on optical scanning mechanism is designed and developed for solar cell wafer. It consists of optical scanning mechanism, NIR camera optics, machinery and control system, algorithm of defect detection and software. Optical scanning mechanism is composed of geometrical camera optics and structured hybrid illumination system. It is used to inspection of surface defects. NIR camera optics is used for inspection of defects inside solar cell wafer. It is shown that surface and internal micro defects can be detected in developed inspection system for solar cell wafer.

Duality in an Optimal Harvesting Problem by a Nonlinear Age-Spatial Structured Population Dynamic System

  • Kim, Yong-Kuk;Lee, Mi-Jin;Jung, Il-Hyo
    • Kyungpook Mathematical Journal
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    • v.51 no.4
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    • pp.353-364
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    • 2011
  • Duality in the optimal harvesting for a nonlinear age-spatial structured population dynamic model is studied in the framework of optimal control problem. In this paper the duality theory that displays the conjugacy of the primal problem is established and an application is given. Duality theory plays an important role in both optimization theory and methodology and the results may be applied to a realistic biological system on the point of optimal harvesting.