• Title/Summary/Keyword: Stripe pattern

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Properties evaluation for ESD Protection device of Diode type using TLP evaluation method (TLP 평가기법을 이용한 Diode type의 ESD 보호소자 특성 평가)

  • Lee, Tae-Il;Kim, Hong-Bae
    • Journal of the Semiconductor & Display Technology
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    • v.6 no.4
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    • pp.53-57
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    • 2007
  • In paper, We evaluated for various diode type ESD protection device using TLP measurement method. An Evaluation diode is divided to Enclosed type and Stripe type as pattern style in extensive. These diodes is split up followed factor that Anode-to-Cathod space, N+ region width, Multi type and Contact to Active space. After a TLP measurement, we can be got the Vt2, It2 by I-V characteristic values. In the results, diode of enclosed type is present relatively higher Current capability(It2) than stripe type in a same voltage conditions. And the Second-breakdown voltage(Vt2) were that Stripe type's diode higher than Enclosed type's diode as have $14{\sim}15V$. Finally we suggest the best diode design condition as ESD protection device using entire consequence.

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A Patterning Process for Organic Thin Films Using Discharge and Suction Needles (토출 및 흡입 Needle을 이용한 유기 박막 패터닝 공정)

  • Kim, Daeyeob;Shin, Dongkyun;Lee, Jinyoung;Park, Jongwoon
    • Journal of the Semiconductor & Display Technology
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    • v.19 no.1
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    • pp.79-84
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    • 2020
  • Unlike a printing process, it is difficult to pattern organic thin films in the longitudinal (coating) direction using a coating process. In this paper, we have investigated the feasibility of patterning organic thin films using needles. To this end, we have slot-coated an aqueous poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PEDOT:PSS) solution in the form of a fine stripe or large area and then applied the dual needle; one for discharging the main solvent of the underlying thin film and the other for sucking the dissolved thin film. We have found that the pattern width and depth increase as the moving speed of the plate decreases. However, it is observed that the sidewall slope is very gentle (the length of the slope is of the order of 200 ㎛) due to the fact that the discharged main solvent is widely spread and then isotropic etching occurs. With this scheme, we have also demonstrated that a fine stripe can be obtained by scanning the dual needle closely. To demonstrate its applicability to solution-processable organic light-emitting diodes (OLEDs), we have also fabricated OLED with the patterned PEDOT:PSS stripe and observed the insulation property in the strong light-emitting stripe.

3D image processing using laser slit beam and CCD camera (레이저 슬릿빔과 CCD 카메라를 이용한 3차원 영상인식)

  • 김동기;윤광의;강이석
    • 제어로봇시스템학회:학술대회논문집
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    • 1997.10a
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    • pp.40-43
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    • 1997
  • This paper presents a 3D object recognition method for generation of 3D environmental map or obstacle recognition of mobile robots. An active light source projects a stripe pattern of light onto the object surface, while the camera observes the projected pattern from its offset point. The system consists of a laser unit and a camera on a pan/tilt device. The line segment in 2D camera image implies an object surface plane. The scaling, filtering, edge extraction, object extraction and line thinning are used for the enhancement of the light stripe image. We can get faithful depth informations of the object surface from the line segment interpretation. The performance of the proposed method has demonstrated in detail through the experiments for varies type objects. Experimental results show that the method has a good position accuracy, effectively eliminates optical noises in the image, greatly reduces memory requirement, and also greatly cut down the image processing time for the 3D object recognition compared to the conventional object recognition.

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Effect of Width, Space, Arrangement, and Lightness on Sensibility of Block Stripe Pattern (폭, 간격, 배열과 명도차이가 블록 스트라이프 패턴의 감성에 미치는 영향)

  • 박희주;이영진;정혜진;조길수;이주현
    • Proceedings of the Korean Society for Emotion and Sensibility Conference
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    • 2001.11a
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    • pp.25-29
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    • 2001
  • 소비자 감성 분석에 근거한 블록 스트라이프 패턴(block stripe pattern)의 디자인 방법을 제안하고자 남녀 30명을 대상으로 명도, 폭, 간격이 조작된 서로 다른 27개의 블록 스트라이프 패턴의 자극물을 제시하여 감성평가를 실시하였다. Likert 척도에 의해 명도, 배열, 폭, 간격의 4가지 디자인 요소가 요인분석을 통해 도출된 12개의 감성차원에 미치는 영향을 측정하고, 물리량에 근거한 정량적 분석을 통해 감성과의 관계를 파악하였다. 이를 근거로 각각의 감성에 부합하는 명도, 배열, 폭과 간격의 디자인 요소별 물리량과 함께 디자인 요소의 물리적 변화에 따른 감성예측 회귀모형을 도출하였다. 디자인 요소 중 명도차, 간격, 폭의 순으로 디자인 요소의 물리량 변화가 유의적인 감성차를 유발하는 것으로 나타났다. 이 중 명도차는 "캐주얼한"을 제외한 모든 감성에서 감성차에 영향을 미치는 가장 설명력 높은 디자인 요소로 분석되었다. 이 결과를 토대로 각각의 감성에 부합하는 디자인 요소별 물리량과 함께 디자인 프로토타입을 제시하였다.

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Deterministic Estimation of Stripe Type Defects and Reconstruction of Mask Pattern in L/S Type Mask Inspection

  • Kim, Wooshik;Park, Min-Chul
    • Journal of the Optical Society of Korea
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    • v.19 no.6
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    • pp.619-628
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    • 2015
  • In this paper, we consider a method for estimating a stripe-type defect and the reconstruction of a defect-free L/S type mask used in lithography. Comparing diffraction patterns of defected and defect-free masks, we derive equations for the estimation of the location and size of the defect. We construct an analytical model for this problem and derive closed form equations to determine the location and size using phase retrieval problem solving techniques. Consequently, we develop an algorithm that determines a defect-free mask pattern. An example shows the validity of the equations.

Development of 3D Scanner Based on Laser Structured-light Image (레이저 구조광 영상기반 3차원 스캐너 개발)

  • Ko, Young-Jun;Yi, Soo-Yeong;Lee, Jun-O
    • Journal of Institute of Control, Robotics and Systems
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    • v.22 no.3
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    • pp.186-191
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    • 2016
  • This paper addresses the development of 3D data acquisition system (3D scanner) based laser structured-light image. The 3D scanner consists of a stripe laser generator, a conventional camera, and a rotation table. The stripe laser onto an object has distortion according to 3D shape of an object. By analyzing the distortion of the laser stripe in a camera image, the scanner obtains a group of 3D point data of the object. A simple semiconductor stripe laser diode is adopted instead of an expensive LCD projector for complex structured-light pattern. The camera has an optical filter to remove illumination noise and improve the performance of the distance measurement. Experimental results show the 3D data acquisition performance of the scanner with less than 0.2mm measurement error in 2 minutes. It is possible to reconstruct a 3D shape of an object and to reproduce the object by a commercially available 3D printer.

Effect of Stripe Pattern for Men's Shirts on Emotion (남성셔츠 줄무늬 특성이 감성지각에 미치는 영향)

  • Kong, Jin Hee;Kwon, Young Ah
    • Science of Emotion and Sensibility
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    • v.16 no.1
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    • pp.65-74
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    • 2013
  • The visual sensibility and preferences are closely related with color combinations, stripe intervals, and stripe complexity. We studied the effect of stripes characteristics on visual sensibility and preferences for men's shirts fabrics. As a result of a factor analysis, the adjectives were classified by viewers into 5 factors as attraction, maturity, dignity, practicality, and simplicity. We found that stripe intervals had a significant visual effect on maturity, dignity, and practicality. The uneven stripes had higher scores for dignity and practical while lower for mature. The stripes with consecutive order of two different thickness were felt more strongly in attractive, practical, and preferred. The results also showed that stripes with compound and contrast colors were attractive and preferred.

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A Study on Fashion Design Utilizing Formative Characteristics of Animal Stripes (동물에 나타난 스트라이프의 조형적 특성을 이용한 패션디자인 연구)

  • Yum, Misun
    • Fashion & Textile Research Journal
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    • v.17 no.2
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    • pp.178-190
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    • 2015
  • The purpose of this study is to analyze the formative characteristics of animal stripes based on the colors, shapes and texture through classification standards under functional meanings, and it also aims to produce various stripe patterns based on its outcome to develop modern fashion design. For the study method, specialty publications, preceding researches and internet websites were utilized for the purpose of theoretical discussion on animal stripes. And it is also to examine functional meanings formed by animal stripes in order to analyze the characteristics of stripes; subsequently, based on the classification standard of this function, it is to identify the distinction of its colors through quantitative analysis on formative characteristics and colors. By using the following analyzed color palette of stripes, various stripe patterns were developed and designed with the sense of modern fashion while repeatedly using the shape with systematic colors and rhythms displayed on the animals. As a result of this study, it was confirmed that animal stripes possess a regularity that is systematic and can be digitized. After identifying, analyzing and systemizing formative characteristics of animal stripes, a concept of division and competition was applied; subsequently, whole new stripe patterns were developed and designed in order to further promote fashion design.

A Study on Textile Design for Apparel Using CAD - Focusing on '01/02 A/W Fashion Trend - (CAD를 이용(利用)한 의류용(衣類用) 텍스타일 디자인 연구(硏究) - '01/02 A/W 유행경향(流行傾向)을 중심(中心)으로 -)

  • Shin, Kyeong-Seob
    • Journal of Fashion Business
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    • v.4 no.4
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    • pp.41-54
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    • 2000
  • The purpose of this study was to investigate various expressions in textile design using CAD and present print design of '01/02 A/W. Four steps were taken in order to achieve this purpose. The first step was to investigate prior research and to analyze textile design methods using CAD. The second step was to study '01/02 A/W fashion trend, especially textile trend. The third step was to design the print design according to textile trend and apply the designed print pattern to real model. The research results are as follows: 1. Textile design is a very important field to help making fashion industry more informative and valuable. 2. Using CAD system in textile design will be very useful and urgent in saving working time and exercising design works. 3. In '01/02 A/W hound's tooth, zigzag, herringbone will be prevalent bold geometric patterns while tartan checks, multi color stripes will be popular too. 4. Textile designs using flower, stripe, checks, dot, abstract pattern were applied to real model, the images of patterns design are as follow, flower pattern-romantic stripe-avantgarde check-cute dotclassic abstract motive-intelligent.

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A Design of the Shadow Mask for Large Size OLED Vapor Deposition (대면적 OLED 증착용 새도우 마스크 설계)

  • Kim, Kug-Weon;Um, Tai-Joon;Joo, Young-Cheol;Lee, Sang-Wook;Kwon, Kye-Si
    • Journal of Institute of Control, Robotics and Systems
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    • v.14 no.4
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    • pp.348-352
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    • 2008
  • Deformation of the shadow mask is one of the problems encountered during the deposition of organic materials for manufacturing large size organic light emitting diode (OLED). The larger the glass substrate, the larger the shadow mask becomes. As the size of the shadow mask increases, its deformation becomes more severe, thereby making it difficult to deposit organic materials in a precise pattern on a substrate. In this paper, a new method for reducing drooping of the shadow mask for large size OLED vapor depositions is proposed. The proposed shadow mask with cross stripe wires has higher stiffness than the pure shadow mask, which results in reducing drooping of the shadow mask. A commercial FEM program, ANSYS, is used for the evaluation of the proposed shadow mask. The analysis showed that the shadow mask with cross stripe wires have an effect on reducing drooping about 18.6% or more.