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Accuracy Improvement of Screen Printed Ag Paste Patterns on Anodized Al for Electroless Ni Plating (무전해 Ni 도금을 위한 양극 산화막위에 스크린 인쇄된 Ag 페이스트 패턴의 정밀도 개선)

  • Lee, Youn-Seoung;Rha, Sa-Kyun
    • Korean Journal of Materials Research
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    • v.27 no.8
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    • pp.397-402
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    • 2017
  • We used an etching process to control the line-width of screen printed Ag paste patterns. Ag paste was printed on anodized Al substrate to produce a high power LED. In general, Ag paste spreads or diffuses on anodized Al substrate in the process of screen printing; therefore, the line-width of the printed Ag paste pattern increases in contrast with the ideal line-width of the pattern. Smudges of Ag paste on anodized Al substrate were removed by neutral etching process without surface damage of the anodized Al substrate. Accordingly, the line-width of the printed Ag paste pattern was controlled as close as possible to the ideal line-width. When the etched Ag paste pattern was used as a seed layer for electroless Ni plating, the line width of the plated Ni film was similar to the line-width of the etched Ag paste pattern. Finally, in pattern formation by Ag paste screen printing, we found that the accuracy of the line-width of the pattern can be effectively improved by using an etching process before electroless Ni plating.

A Study for Princess Line according to Body Type II - Focused on Body Type of H & Y - (체형에 따른 프린세스 라인 연구 II - H 체형과 Y 체형을 중심으로 -)

  • 김숙정;서미아
    • The Research Journal of the Costume Culture
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    • v.9 no.6
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    • pp.893-907
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    • 2001
  • The main purpose is to study the effects of princess lines on different body types and to disguise any imperfection by using diverse princess lines. We separated testers body shapes into specific body types, H, Y by applying both the direct and the indirect measurements. These designs were evaluated by using the point ranking system method, and then average scores were obtained from these evaluations. Following are the results of the study: 1 These are the resulting illusion effects when the shoulder width of the Princess line was fixed. When the Princess line originated from 1/3 point of the armhole, body types Y appeared to show narrow waist width. A-line silhouette appeared to display the narrowest shoulder width. When the Princess line originated from 2/3 point of the armhole, body types H and Y appeared to exhibit narrowest waist widths, and the A-line silhouette once again displayed the narrowest shoulder width. When the Princess line originated from 1/2 point of the armhole, body type H appeared to exhibit narrow width; and H-line silhouette displayed the narrowest shoulder width 2. When the Princess lines waist w'4th was fixed in order to study illusion effects of waist widths. In this experiment, locations of Princess lines and widths of the skirt were varied. When the waist width was fixed at 6.5 cm, For the H body type, the Princess line location of 1/3 point of the armhole in H-line silhouette design exhibited the narrowest waist width. For the Y body type in A-line silhouette design, the Princess line locations of 1/3 and 1/2 points of the armhole exhibited the narrowest waist width because it displayed the hourglass effect. When the waist width was fixed at 10 cm, H body type did not exhibit any significant differences between designs. For Y body type, A-line silhouette design with the Princess line origination point at 1/3 down the armhole exhibited the narrowest waist width. 3. The illusion effects of the hip were studied by fixating the width of the skirt and varying the locations of Princess line and waist widths. In H-line skirt silhouette designs, all two body types exhibited narrow hips when the Princess line origination points were at 1/3 and 1/2 way down the armhole. For A-line skirt silhouette, H body type exhibited narrow hips when narrow waist design with the Princess line originating from 1/2 point in the shoulder was shown. Y body type exhibited narrow hips when narrow waist design with the Princess line originating from 1/3 point of the armhole and 2/3 point of the shoulder. 4. With both waist and skirt widths fixed, all two body types exhibited taller and slender postures when the Princess line originated from the shoulder compare to the armhole.

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A Study on the Princess Line by Body Types (Part I) - Focused on Body Types of A & H -

  • Kim, Sook-Jung;Suh, Mi-A
    • The International Journal of Costume Culture
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    • v.4 no.3
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    • pp.182-194
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    • 2001
  • The main purpose is to study lines on different body types and to disguise any imperfections by using diverse princess lines. We separated festers body shapes into specific body types, A, H by applying both the direct and the indirect measurements. Following are the results of the study: 1. nose are the resulting illusion effects when the shoulder width of the princess line was fixed. In case of the armhole princess line, the illusion that the waist intervals were narrow or wide in A-line silhouette. In case the shoulder princess line, when the waist interval was narrow, it appeared to show narrow shoulder in A-line silhouette. While the wide waist interval shows the wide shoulder width in H-line silhouette. It regards body type H in the same light as H-line silhouette when the waist interval is narrow, it appeared to show narrow shoulder width in A-line silhouette. When the waist interval was wide, it appeared to give the narrow shoulder width. 2. When the princess lines waist width was fixed in order to study illusion effects of waist widths. Generally, for body type A, Whether the waist interval princess line is narrow or wide, the princess line is located comparatively wide, in A-line silhouette appeared to show relatively slender waist. For body type H, whether the waist interval is narrow or wide, the princess line us situated comparatively narrow interval, H-line silhouette appeared to show sum waist but the differences are not significant 3. The illusion of the hip were studied by fixating the width of the skirt and varying the locations of princess line and waist widths. For the location of both armhole and shoulder princess line in H and A-line silhouette, the narrow shoulder width and the waist appeared to show narrow hips. mile they are wide appeared to show wide hips. 4. With both waist and skirt width fuel, all two body types showed taller and slender postures when the princess line originated from the shoulder compare to the armhole.

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A Study on the Visual Evaluation According to Changes in Width of Hem Line and Waistline Position of Flare Pants (플레어 팬츠의 바지부리 폭과 허리선 위치의 변화에 따른 시각적 평가)

  • Lee, Jung-Soon
    • Journal of the Korea Fashion and Costume Design Association
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    • v.14 no.4
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    • pp.127-137
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    • 2012
  • The purpose of this study is to recognize the differences of visual evaluation by variations in width of hem line and waistline position of the flare pants. The stimuli are 9 samples: One control group, 3 variations of the width of hem line and 3 variations of the waistline position. The data has been obtained from 44 fashion students. The data has been analyzed by Factor Analysis, Anova, Scheffe's Test and the MCA method. The results of the study are as follows: The visual evaluation by the width of hem line and waistline position of flare pants are composed of 5 factors : physical characteristics, elegance, originality, comfort, and stiffness. Among these factors, the physical characteristic is evaluated to be the most important factor. As a v isual evaluation result o f changes in the width o f hern l ine, 8 4 cm in width (the narrowest width) was highly evaluated in physical characteristics, elegance, and originality factors. For the result of changes in the waistline position, high-waisted flare pants were highly effective in physical characteristics, and also evaluated well in elegance, originality and stiffness factors. The flare pants did not show any interaction between the width of hem line and waistline position. The waistline position had more influence on visual evaluation in physical characteristics, originality and comfort factors while elegance and stiffness factors were affected by the width of hem line.

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Visual Evaluation according to Changes in Length of Pants and Width of Hem Line of Wide Pants (와이드팬츠의 바지 길이와 바지 부리 폭 변화에 따른 시각적 평가)

  • Lee, Jung-Jin
    • Journal of the Korea Fashion and Costume Design Association
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    • v.17 no.3
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    • pp.159-168
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    • 2015
  • In this study, visual evaluation was wide pants with changes in length of pants and width of hem line of wide pants design to provide data which can enhance wearing image effects at the production of wide pants. According to the length of pants and width of hem line of wide pants, a total of 9 stimulants were chosen. Then, they were evaluated using a seven-point rating scale against 40 fashion students. The data has been analyzed by Factor Analysis, ANOVA, $Scheff{\acute{e}}$'s Test and the MCA method. The results of the study are as follows : 1. According to factor analysis, the components of visual evaluation depending on the length of pants and width of hem line of wide pants were divided into five factors: individuality, body correction, modesty, body length and cute. 2. According to visual evaluation depending on changes in the length of pants, no significant difference was found in all five positions. 3. According to visual evaluation depending on changes in the length of pants and width of hem line of wide pants, 'width of hem line 60, 100' revealed a significant difference in body correction. 'width of hem line 80' revealed a significant difference in body correction and body length. 4. In terms of interactions over changes in the length of pants and width of hem line of wide pants, no interaction effects were found in all five factors. According to multiple classification analysis(MCA) on the factors without interaction effects, length of pants had more effect on visual image in body correction, body length and cute. In other factors, more influence was observed depending on the width of hem line.

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Visual Acuity of Fish - 1 . Relationship Between line Width and Distance at Visual Limit of Filefish Stephanolepis Cirrhifer - (어류의 시각에 관한 연구 - 1 . 쥐치의 시인한계에서의 선의 굵기와 거리와의 관계 -)

  • An, Young-Il;Yang, Yong-Rhim
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.32 no.3
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    • pp.241-248
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    • 1996
  • The relationship between width of line target and distance at the limit of discrimination was examined by means of the behavioral method, for filefish Stephanolepis cirrhifer from 11 to 15cm body length. Target distance was distance from beginning of partition board to target plate, and was varied from 50cm to 200cm. The target plate was made of white acrylic resin with a vertical black line in the center. The width of line target was varied from 0.2mm to 8.0mm. Fish were trained to respond to a line target and the width of line target reduced until the minimum width required to elicit a response was established. Rate of success was expressed as the percentage of target choices in 90 trials. The line acuity of filefish was found to be 0.58 at a target distance of 50cm. The rate of success decreased slowly as line target width decreased from 8.0mm to 1.5mm, and decreased suddenly for target widths less than about 1.5mm. The width of the line target D(mm) at the limit of discrimination was shown to be an exponential function of the target distance L(cm) as follows : D=exp(9.947$\times$$10^-3$.L+0.146)

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A Study on the Visual Evaluation According to Changes in Silhouette of Wide Pants (와이드 팬츠의 실루엣 변화에 따른 시각적 평가)

  • Lee, Jung-Soon
    • Journal of the Korea Fashion and Costume Design Association
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    • v.15 no.1
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    • pp.21-30
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    • 2013
  • The purpose of this study is to recognize the differences of visual evaluation by variations in silhouette of the wide pants. The stimuli are 9 samples: One control group, 3 variations of the width of hem line and 3 variations of the silhouette. The data has been obtained from 57 fashion college students. The data has been analyzed by Factor Analysis, Anova, Scheffe's Test. The results of the study are as follows: The visual evaluation by silhouette of wide pants are composed of 5 factors(i.e., physical characteristics, complexity, attractiveness, originality, and stiffness and softness). Among these factors, the physical characteristic is evaluated to be the most important factor. The straight pants were the most attractive and modern when the width of the hem line was 66cm (1st stage), while the pants were uncomfortable and unwearable when the width of the hem line was 98cm (3rd stage). The bell-bottom pants were evaluated to be the most attractive with the average width of the hem line. When the width of the hem line of the flare pants were too wide, it was uncomfortable and unwearable but had its unique originality. When the width of the hem line was narrow, the visual image changed as the pants' silhouette varied. However, when the width of the hem line was wide, the visual image did not change by silhouette.

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A Human Enginnering Study on an Original Pattern of Clothing for an Abnormal Type of Figure - with special reference to the of kyphosis - (이상체형의 의복원형의 인간공학적연구 - 척추만곡체형을 중심으로 -)

  • 박정순
    • Journal of the Korean Home Economics Association
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    • v.20 no.3
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    • pp.9-18
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    • 1982
  • In this study, we attempted to make an original pattern of clothing for an abnormal type of figure, especially for the type of kyphosis. We measured the curvature of the spine of a woman with kyphosis with a Martin measuring instrument and a silhouetter in the following ways. First, we counted the rate of shrinkage of the standard lines drawn on the surface of the body according as the body moved. Secondly, placing the front and back darts, the front and back shoulder darts and the side darts according to“Munhwa”pattern, we made cubic cuttings of four moving postures as well as the standing one. Thirdly, we superposed the developed patterns of the standing and the moving postures, measuring the position change and the amount of the chaange of the darts, and compared them. The results are as follows: 1) In the developed pattern of a cubic cutting of the basic pattern and the standing posture, the neckhole became larger than that of the basic pattern, and the waist line was lowered than that of the basic pattern because the center back line was shortened due to the curved backbone. 2) As for the change of the standard line according to the movement, we found that the waist line, the center front line, the center back line, the bust width line, the upper back width line and the back width line became longer. Special consideration must be given to the function of the clothing for an abnormal type of figure. 3) The difference of the measurements between the cubic cutting and the body measurement regardless of the body movement is due to a gap by an acute angle at the jutted place between the developed pattern and the body surface. We found that the body measurement of the upper back width line, the back width line and the bust line became larger. Consequently, in making an original clothing pattern, it is desirable that we must not place the front and the back waist darts at the jutted place on the back from the functional and the aesthetic viewpoint of clothing. It is also desirable that we must widen the neckhole because the shoulder angle is close to a straight line due to a jut of the upper back width line.

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Analysis of Types of Gather Drape with Visual Evaluation (시각적 평가에 의한 개더 드레이프 형상 분석)

  • Lee Myung-Hee;Jung Hee-Kyeong
    • Journal of the Korea Fashion and Costume Design Association
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    • v.7 no.1
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    • pp.33-40
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    • 2005
  • Gathering is method used to control fullness along a seam line. The purpose of this study was to investigate the relationship between the quantitative research and qualitative method; the effect of gather and the types of gather drape. The experimental design consists of four factors: (l) three kinds of different weight and thickness of fabrics (2) three kinds of stitch densities (3) five kinds of ratio of gathers (4) three kinds of grain directions. Therefore one hundred thirty five (135) samples were made. And utilized SPSS WIN 10.0 Package in data analysis. The results of this study were as follows; First, after frequency analysis, side height, hem line width, node depth, node count, node width accorded with these result data recording. Second, after correlation analysis, side height related with front statements. Side height and entire visual was negative correlation. Hem line width, node depth, node count with section statements was negative correlation but node width at section statements was positive correlation. Third, after $k^2$ analysis, front picture parts getting excellent evaluation were 1st side height, 3rd hem line width, 4th node depth, 3rd node count, 3rd node width. And section illustration parts getting excellent evaluation were 4th side height, 1st hem line width, 2nd node depth, 3rd node count, 4th node width.

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A Study on the Visual Evaluation of Bell Bottom Pants (벨 버텀 팬츠(Bell Bottom Pants)의 시각적 평가)

  • Lee, Jung-Soon
    • Journal of the Korea Fashion and Costume Design Association
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    • v.16 no.1
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    • pp.15-25
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    • 2014
  • The purpose of this study is to recognize the differences of visual evaluation by variations in width of hem line and waistline position of the bell buttom pants. The stimuli are 9 samples: One control group, 3 variations of the width of hem line and 3 variations of the waistline position. The data has been obtained from 56 fashion students. The data has been analyzed by Factor Analysis, Anova, Scheffe's Test and the MCA method. The results of the study are as follows: The visual evaluation by the width of hem line and waistline position of bell buttom pants are composed of 5 factors : comfort, personality, physical characteristics, stiffness and modern. Among these factors, the comfort is evaluated to be the most important factor. As a visual evaluation result of changes in the width of hern line, 62cm in width (the narrowest width) was highly evaluated in comfort and stiffness factors, 78cm in width (the widest width) was highly evaluated in personality and physical characteristics factors. For the result of changes in the waistline position, high-waisted bell buttom pants were was highly evaluated in personality and stiffness factors, low-waisted bell buttom pants were was highly evaluated in comfort, physical characteristics and modern factors. The width of hem line and waistline position of the bell buttom pants interacted to the comfort factor. The width of hem line had more influence on visual evaluation in personality factors while physical characteristics, stiffness and modern factors were affected by the waistline position.

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