• 반도체디스플레이기술학회지
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• 제12권1호
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• pp.47-51
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• 2013

The screen printing is a process that is widely used in manufacturing process of various fields such as flexible devices, portable multimedia devices, OLED, and the solar cell. The screen printing method has been studied as a method for forming the high precision micro-pattern, making the low-cost manufacturing process and reducing cost through improvement of productivity. It is applicable to deposit and forming the pillars which are one of the core element for comprising vacuum glazing. In this paper, by using the paste of the glass frit base, the screen printing was performed. We analyzed the effect for the printing process to deposit pillar paste on the screen printing parameters by the factorial experimental design. The polynomial predicting the volume of the printed supporting pillars was drawn by using screen printing.

• 대한한의학원전학회지
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• 제23권5호
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• pp.123-132
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• 2010

In this paper, on the assumption that the dispute about the identity of Oriental Medicine(OM) will finally act as an developmental element of Oriental Medicine otherwise total Korean Medicine, at first we think about what are he meaning of identity and it's essential elements, and search how to establish the standard of the identity of Oriental Medicine. From this working, the direction of the research in the Oriental Medical Classics that is one of the detail field in OM will be drawn out. The identity of Oriental Medicine must be decided according to what is the mission or existence value contributing for Korean Society, not to the form of materiality or immateriality. The core of the identity of Oriental Medical Classics is relevant to being a help to other research fields through reinterpreting the Classics. And the most important issue of research are the analysis of thinking pattern In OM, and systematization of OM knowledge and information.

• 대한전자공학회:학술대회논문집
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• 대한전자공학회 2008년도 하계종합학술대회
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• pp.747-748
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• 2008

In this paper, we propose a new algorithm for task scheduling consisting of subtask partitioning and subtask priority scheduling steps in order to keep the peak power under the system specification. The subtask partitioning stepis performed to minimize the idle operation time for processors by dividing a task into multiple subtasks using the least square method developed with power consumption pattern of tasks. In the subtask priority scheduling step, a priority is assigned to a subtask based on the power requirement and the power variation of subtask so that the peak power violation can be minimized and the task can be completed within the execution time deadline.

• 한국정밀공학회:학술대회논문집
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• 한국정밀공학회 2001년도 춘계학술대회 논문집
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• pp.790-793
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• 2001

The characteristics of smart skin for wireless LAN system under compression load are investigated. The smart skin structure is composed of 3 layers of face material and 2 layers of core material. Theoretical formula for determining buckling load is derived by Rayleigh-Ritz method and compared with experimental result. The maximum length of specimen that buckling does not occur is determined by assuming that the compression load is sustained by only face material. In the experiment, if buckling occurs obviously then it follows the theoretical result well. In the process of buckling, the load supporting capability and the antenna property such as radiation pattern and reflection coefficient were examined.

• KSII Transactions on Internet and Information Systems (TIIS)
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• 제12권7호
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• pp.3284-3306
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• 2018

This study proposes a method to develop an authoring system(GeoMaTree) for diverse trees that constitute a virtual landscape. The GeoMaTree system enables the simple, intuitive production of an efficient structure, and supports real-time processing. The core of the proposed system is a procedural modeling based on a mathematical model and an application that supports digital content creation on diverse platforms. The procedural modeling allows users to control the complex pattern of branch propagation through an intuitive process. The application is a multi-resolution 3D model that supports appropriate optimization for a tree structure. The application and a compatible function, with commercial tools for supporting the creation of realistic synthetic images and virtual landscapes, are implemented, and the proposed system is applied to a variety of 3D image content.

• 보건교육건강증진학회지
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• 제28권3호
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• pp.17-29
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• 2011

Objectives: This study was to explore how elderly with chronic disease in a health management program managed their health and to describe their health management strategies. Methods: The data were collected through in-depth interviews, with a purposeful sample of twelve in an urban community. The collected information was analyzed through grounded theory approaches by Strauss and Corbin. Results: Though open coding process, 35 concepts, 17 subcategories, 8 categories were identified. As for the participation experience process, four stages had surfaced, namely, 'Perception of chronic disease', 'Concerned about health', 'Developing life pattern', 'Restoring health'. These processes were within 'Restoring Health Equilibrium', core category. Consequently, the participants revealed in restoring relationship-oriented life and settling in family-focused life. Conclusions: These findings have implications for the understanding of health promotion for the elderly with chronic diseases and contributing to make a basic data for developing elderly health management program.

• 한국정보통신학회논문지
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• 제10권4호
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• pp.775-782
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• 2006

지문인식 알고리즘에서 전처리 과정 중 방향성이 추출된 지문에서 블록을 형성하여 각 블록에서의 방향성 특징들을 신경회로망의 입력패턴으로 사용하여 학습을 시켜, 특이점을 추출하여 매칭에 이용했다. 이를 바탕으로 지문인식 임베디드 시스템을 설계하여 다양한 응용 시스템에 이용될 수 있도록 하기 위해 컨트롤 보드와 시리얼 통신을 통해 테스트한 결과 충분한 신뢰성을 입증할 수 있었다.

• 한국재료학회지
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• 제17권7호
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• pp.352-357
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• 2007

Since a pattern defects "repair" system using a diode pumped solid state laser for Flat Panel Display (FPD) was suggested, a lot of laser systems have been explored and developed for mass-production microfabrication process. A maskless lithography system using 405 nm violet laser and Digital Micromirror Device (DMD) has been developed for PDP and Liquid Crystal Display (LCD) Thin Film Transistor (TFT) photolithography process. In addition, a "Laser Direct Patterning" system for Indium Tin Oxide (ITO) for Plasma Display Panel(PDP) has been evaluated one of the best successful examples for laser application system which is applied for mass-production lines. The "heat" and "solvent" free laser microfabrications process will be widely used because the next-generation flat panel displays, Flexible Display and Organic Light Emitting Diode (OLED) should use plastic substrates and organic materials which are very difficult to process using traditional fabrication methods.

• 한국진공학회지
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• 제2권2호
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• pp.171-180
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• 1993

X-선 광전자 분광법(XPD)을 이용하여 GaAs(110) 절개면의 결정구조를 이해하였다. 각분해 X-선 분광법으로 GaAs(110) 면의 내각준위 Ga 및 As 3d의 스펙트럼을 얻어, 이 내각 준위의 세기 비율(intensity ratio)의 방위각과 편각에 따른 변화를 SSC(Single Scattering Cluster) 모델에서 얻은 회절패턴으로 곡선분석(fitting)하여 절개면의 재구성 구조(reconstruction geometry)를 얻었다. 이 절개면의 재구성된 값은 다른 실험의 결과와 비슷하였다.

• 한국진공학회지
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• 제3권3호
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• pp.275-279
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• 1994

Low Energy Electron Diffraction(LEED)와 Synchrotron Radiation Photoelectron Spe-ctroscopy (SRPES)를 이용하여 $Si(111)7{\times}7$ 표면위에 Mg의 흡착에 의한 초기계면과 실리사이드의 형성에 대하여 연구하였다. 기판온도를 상온으로 유지하는 경우 증착량의 증가에 따라 LEED pattern은 diffuse 7${\times}$7 diffuse 1${\times}$1, $2/3sqrt{3}{\times}2/3sqrt{3} R30^{\cdot}$ 구조로 변화하였다. $300^{\cdot}C$의 기판온도에서 관측되는 1${\times}$1 구조에 대한 surface sensitive Si 2p core level spectrum의 fitting 결과로부터 이 1${\times}$1구조는 적층성장한 Mg2Si 박막에 의한 구조임을 알수 있다. 그러나 이 1${\times}$1구조를 가진 Mg2Si 박막이 성장하지 못함을 예상할 수 있다. 그결과 Mg의 계속된 증착에도 불구하고 비정질의 Mgqkr막이 성장하였다.