• Proceedings of the Korean Institute of Electrical and Electronic Material Engineers Conference
• /
• 2010.06a
• /
• pp.146-146
• /
• 2010

Electrical properties of Large-grain-size TIT with 7/7 ${\mu}m$ channel width and length which gate insulator is made of 20nm $SiO_2$ and 80nm $SiN_x$. was fabricated and measured with Large-grain-size technic(MICC) and compared to ELA technic's data. The field-effect mobility was decreased from 106.78 to $88.74\;cm^2$/Vs and threshold voltage also decreased from -1.8382 to -0.9529 V, when TFT process is changed from ELA technic to MICC technic. Subthreshold swing, also, increased from 0.22 to 0.32 V/dec and $I_{on/off}$ ratio decreased from $1.12{\times}10^8$ to $5.75{\times}10^7$.

• The Research Journal of the Costume Culture
• /
• v.11 no.4
• /
• pp.562-577
• /
• 2003

The object of my research is to inquiry into the immediate constituent and techniques of underwear after looking into basic theory of underwear, techniques by materials classified according to the matter of elasticity, and studying flat pattern and draping which are basis of corset and brassiere structure focusing on corsetry among underwears and production techniques. Various papers are referenced for theoretical study and the elements and techniques of underwear are analyzed based on photographical materials. This paper concludes as follows. To make the flat pattern of corset and brassiere fit to the body tightly, design dart two times without any space and draw smaller than the body. To support the breast sufficiently, move the side seam 1¼″ to the front panel and the seam should pass the apex in all occasions. For draping, dart should be added into short of elasticity materials in the past but dart is no use these days since the material today is extremely elastic. It is possible now to show the body line with only the seam or a pattern. In a case of elastic material, set the elastic direction to the grain line and have a draping as pulling from the center to the out side. As production technic, for an hem, put a zigzag stitch in elastic materials with a 10-20% short elastic band, pulling the band. Then make 3/16″-1/4″ short inseam.

• Proceedings of the International Microelectronics And Packaging Society Conference
• /
• 2004.09a
• /
• pp.201-209
• /
• 2004

As the European Community's Directive on the Restriction of Hazardous Substances in Electrical and Electronic Equipment banning lead (Pb) in electronics products will take effect on July 1, 2006, most electronics manufacturers will be commencing with volume production of Pb-free components by the middle of 2004. Electrodeposited pure tin finishes on electronic components are a leading contender to replace the industry standard tin-lead. Commensurate with this shift will be a somewhat steep learning curve as manufacturers adapt a variety of equipment and processes to contend with the issues surrounding this critical, industry-wide material conversion. Since the electrodeposited finish directly influences the critical reliability characteristics of the component itself, the nature of the Pb-free component finish must be well characterized and understood. Only through a thorough examination of the attributes of the electroplated tin deposit can critical decisions be made regarding component finish reliability. This paper investigates the properties of electrodeposited tin that may have an effect on component reliability, namely, grain structure (size and shape), oxide formation, tin whisker formation, and solderability. Data will be presented from laboratory and production settings, with the objective being to enable manufacturers to draw their own conclusions regarding previously established perceptions and misconceptions about electrodeposited tin properties.

• Journal of Digital Convergence
• /
• v.17 no.10
• /
• pp.405-410
• /
• 2019

This study is an primary analysis on convergence of porcelain lacquer painting art which is composed of porcelain art and raw lacquer technic. As a part of ceramic art, this study suggest 3 ways of porcelain lacquer decoration with understanding of its history and contemporary status. Lacquer technic gives stability for surface paintings and it also has various media to express its beauty. Porcelain lacquer decoration art contains artistic value and pragmatic purpose for daily life usage. These days, due to unavailability for mass production, it tends to be tried for art work purposes. However this artistic technic and value can be applied to porcelain goods, so that it will raise aesthetic pleasure and cultural diversity.

• Proceedings of the Korea Contents Association Conference
• /
• 2006.11a
• /
• pp.642-646
• /
• 2006

This is a study on I/O materials management system of production line. They usually use bar code in existing materials management systems but there we many difficult factors. If RFID technic is applied to I/O materials management system, we can manage information of materials efficiently, and save time and cost by decreasing works. In this paper, for I/O materials management system of production line, I/O materials management system, warehousing processor, deiver processor, raise processor, material requirement processor and processor, Also we verify these processors in a point of user view.

• Journal of the Korean Society of Costume
• /
• v.55 no.6 s.96
• /
• pp.109-124
• /
• 2005

The object of this study was to identify the production technique and immediate constituent of lingerie by examining the materials and the sewing techniques. Various papers are referenced for theoretical study and the elements and techniques of lingerie are analyzed based on photographical materials. From the late 20C century to the present time was the research time period. This paper concludes as follows: 1 Decorative method: Lace, Ribbons, piping, elastic bands were some of the decorative materials attached to the garments by zigzag stitch. 2. Flat pattern making: Lingerie patterns were drafted in smaller size than the patterns of outer garments. Bias cut would be applied for the noll-stretchable fabrics. 3. Draping: Bias grain would be applied for the non-stretch fabric. When draping stretch fabrics, follow the grain line of the fabrics and pull the fabric so that it could fit onto the body. 4. Production technique: Straight stitch would be applied for non-stretch fabrics. Zigzag stitch would be applied for stretch fabrics.

• Proceedings of the KSR Conference
• /
• 2007.05a
• /
• pp.572-576
• /
• 2007

Railroad systems can be divided into the primary function for transporting passengers or freight and secondary function covering diverse environmental factors and interfaces. So, the most biggest and important reason and the goal of railroad systems is to satisfy the need for transportation based on the production and consumption of energy. Especially, the operation of safe systems is the inevitable element for achieving this objective. Performing this can be ultimately satisfied only when the relationship among operators, contractors, suppliers and assessors is established according to their missions. Therefore, we are trying to finding the way of approaching it systematically by reviewing which procedures and methodologies mission performers in various domains have to follow.

• Journal of Korean Academy of Oral and Maxillofacial Radiology
• /
• v.11 no.1
• /
• pp.75-78
• /
• 1981

The diagnostic value of a intra oral film is related to projecting technic and interpretation. The intra-oral film is a single plane representation of a three dimensional object, therefore superimposition is inevitablly present. The purpose of this article is to show how foreign objects in the jaw may be localized. The author used double exposure technics, that are changed angulation of vertical or horizontal to one film. The obtained results are as fallow: 1. In the upper anterior region, the moving distance of the labially impacted reference object was greater than that of the palatally impacted one. 2. In the upper molar region, the moving distance of the mesiobuccal root apex was the greatest and that of palatal root apex was the shortest. 3. In the lower molar region, the change of the alveolar bone level in the buccal side was greater than that of lingual side.

• Journal of Information Management
• /
• v.25 no.4
• /
• pp.1-35
• /
• 1994

This is a practical study on acquisition and efficiently use of CD-ROM databases of diverse subject areas which in recent has rapidly increased in quantity. This study was concentrated on the proposition of production CD-ROM database and intended to give effective ideas of its design. I analysed and compared several CD-ROM databases in aspects of their menu configuration and information retrieval technics, so that may present a rational norm.

• Journal of the Korean Society of Clothing and Textiles
• /
• v.35 no.8
• /
• pp.991-1005
• /
• 2011

This study researches the historical production, process, and design method for 3 pairs of corsets in $18^{th}$ century France. In the analytical stage of historical materials, it grasped the kind, form, origin, and change in style through a lexical definition of relevant terms. Through a precedent study on Garsault's 'L'art du tailleur', preservation costume, and historical reconstruction of pattern in preservation costume, it confirmed corps size, silhouette, pattern form, and material for historical production. The sewing method and the producing sequence were analyzed. In the production stage, 3 selective models in corps plein baleine, corps demi-baleine, and corset were historically produced. With neckline of forming broad Letter U, the bust part is covered roundly. The bodice was composed of 10 panels based on the corps form in the mid-$18^{th}$ century of following a curve of a human body. A shoulder strap was allowed to make the arm movement comfortable by producing and attaching it separately. The cutting line except the center in the front and the back of vertical line was distributed according to the natural flow of a form and movement of the human body. The curve-based pattern line was confirmed.