• 제목/요약/키워드: IC industry

검색결과 237건 처리시간 0.03초

일반 수업과 IC-PBL 적용 수업의 비교를 통한 패션복 식사의 교육 효과 연구 (A Study on the Educational Effect of the History of Fashion and Costume through a Comparison of General Lecture and IC-PBL(Industry-coupled Problem-based Learning))

  • 정연이;이영재
    • 패션비즈니스
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    • 제25권2호
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    • pp.98-109
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    • 2021
  • The purpose of this study was to present the case of class operation by paralleling a general instructor's lecture class and a IC-PBL class in a fashion design major course and comparing the educational effects. The teaching model of this study was designed to improve the ability to use the knowledge gained in accordance with the needs of the industrial field and to develop an independent learning ability. It will provide meaningful data. This study measured and considered the qualitative items of self-efficacy and changes in class perception through interviews and questionnaires completed by the learners after experiencing each general class and IC-PBL class. The results of this study are, first, that in the History of Fashion and Costume class, the general teaching method and the IC-PBL teaching method were applied in parallel to design a class, and a method case was presented. Second, as a result of comparing the educational effects of the two teaching methods through a student questionnaire, IC-PBL was more effective in improving learning attitude, learning achievement and self-efficacy. In addition, after the IC-PBL class on History of Fashion and Costume, the students' negative perception of team activities improved, and the students' cooperative ability and creativity improved.

향어(Cyprinus carpio) 야채죽의 관능 및 영양 특성 (Sensory and Nutritional Properties of Vegetable Rice Porridge Made with Israeli Carp Cyprinus carpio)

  • 강상인;김예율;김진수
    • 한국수산과학회지
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    • 제56권4호
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    • pp.484-493
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    • 2023
  • This study was conducted to investigate the sensory and nutritional properties of vegetable rice porridge made with Israeli carp (VRP-IC), and to compare it with commercial vegetable rice porridges (controls). The proximate composition of VRP-IC per 100 g was 82.4 g moisture, 3.9 g protein, 2.6 g lipids, and 0.9 g ash, and had a lower moisture content than that of the controls, but a higher crude protein, crude lipid, and ash content. In terms of taste, VRP-IC was higher in umami and sourness, but lower in saltiness, sweetness, and bitterness. The viscosity and hardness of VRP-IC were 13,117 mPa·s and 2,258 N/m2, respectively. The total amino acid content of VRP-IC was 3,537.2 mg/100 g, with the maor amino acids being aspartic acid and glutamic acid. The mineral contents of VRP-IC per 100 g were as follows: 114 mg calcium, 70.3 mg phosphorus, 79.1 mg potassium, and 0.23 mg iron. These were all higher than those of the controls. The major fatty acids of VRP-IC were 16:0, 18:1n-9, and 18:2n-6, which were identical to those of the controls. The digestibility of VRP-IC was 86.4%, which was similar to those of the controls.

UV 레이저 응용 반도체 기판용 임베디드 회로 패턴 가공 (Fabrication of embedded circuit patterns for Ie substrates using UV laser)

  • 손현기;신동식;최지연
    • 한국레이저가공학회지
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    • 제14권1호
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    • pp.14-18
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    • 2011
  • Semiconductor industry demands decrease in line/space dimensions of IC substrates. Particularly for IC substrates for CPU, line/space dimensions below $10{\mu}m/10{\mu}m$ are expected to be used in production since 2014. Conventional production technologies (SAP, etc.) based on photolithography are widely agreed to be reaching capability limits. To address this limitation, the embedded circuit fabrication technology using laser ablation has been recently developed. In this paper, we used a nanosecond UV laser and a picosecond UV laser to fabricate embedded circuit patterns into a buildup film with $SiO_2$ powders for IC substrate. We conducted SEM and EDS analysis to investigate surface quality of the embedded circuit patterns. Experimental results showed that due to higher recoil pressure, picosecond UV laser ablation of the buildup film generated a better surface roughness.

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Citrus Peel Wastes as Functional Materials for Cosmeceuticals

  • Kim, Sang-Suk;Lee, Jung-A;Kim, Ji-Young;Lee, Nam-Ho;Hyun, Chang-Gu
    • Journal of Applied Biological Chemistry
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    • 제51권1호
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    • pp.7-12
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    • 2008
  • The suitability of CPWs, by-products of the juice industry, was investigated as a source for the production of cosmeceuticals. Four kinds of CPWs, CW, CWE, CWER, and CWEA, were examined for their antioxidant potentials in terms of DPPH radical-scavenging ability for anti-wrinkle applications, inhibition of tyrosinase or melanin production for whitening products, and anti-inflammatory effects to treat various skin diseases such as atopic dermatitis and acne as well as for anti-bacterial activity against acne-inducing pathogens. Of the four extracts, CWER was the most potent tyrosinase inhibitor ($IC_{50}$ value: $109\;{\mu}g/mL$), and CWEA ($IC_{50}:\;167\;{\mu}g/mL$) showed good antioxidative effects. CWE and CWEA samples had dose-dependent inhibitory effects on the melanin production. The cytotoxic effects of the four CPWs were determined by colorimetric MTT assays using human keratinocyte HaCaT cells. Most extracts exhibited low cytotoxicity at $100\;{\mu}g/mL$. These results suggest CPWs are attractive candidates for topical applications on the human skin.

Cap-Modified Hydroxamate Analogues as Histone Deacetylases Inhibitors and Antitumor Agents

  • Zhang, Qing-Wei;Feng, Juan;Li, Jian-Qi
    • Bulletin of the Korean Chemical Society
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    • 제35권1호
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    • pp.129-134
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    • 2014
  • Two series of SAHA-liked hydroxamate analogues were designed, synthesized and evaluated for their biological activities against nuclear HDACs. Compounds of Series I were found to be very effective inhibitors of cancer cell growth in the PC-3, Hut78, K562 and Jurkat E6-1 cancer cell lines with mean $IC_{50}$ values from $0.54{\mu}M$ (Ic, Jurkat E6-1) to $7.73{\mu}M$ (Ib, K562), indicating that they are cell permeable and the benzimidazolyl-based ligands are flexible enough to occupy the binding site of HDAC.

Research on the Correlation Effect of Innovation Activities on Innovators and Customers ${\sim}$ Using the IC Package and Testing Industries as an Example

  • Tien, Shiaw-Wen;Chung, Yi-Chan;Tsai, Chih-Hung;Dong, Chung-Yun
    • International Journal of Quality Innovation
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    • 제8권3호
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    • pp.81-112
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    • 2007
  • In the competitive global market, firms have to keep profit from innovation activities. A firm makes profits by offering products or services at a lower cost than its competitors or by offering differentiated products at premium prices that more than compensate for the extra cost of differentiation. The IC Package and Testing technology industries were the first high technological industry to build in Taiwan. The Package and Testing industries in Taiwan adopted competitive innovation activities to become stronger. In our study, we want to know how innovation activities influence a firm operating in the IC Package and Testing industries. Our study used a questionnaire and Likert five-point scale to survey the innovation activities, customer and feedback in innovation performance in the IC Package and Testing industry. The wafer level chip size packing technology in our study indicates the innovation activities. Because we need to compare the difference between the wafer level chip size packing technology and wire bonding technology to recognize innovation and how the innovator and customer were influenced. Our conclusions are described below: (1) When the innovator adopts innovation activities that can be maintained using experiments and knowledge, using machine and decision variables more quickly will produce success; (2) Innovators should adopt innovation activities that focus on customers that use knowledge and experimentation, training time and cost. If an innovation forces customers to spend much time and cost to learn new technology or applications, the innovation will not be adopted; (3) Innovators that create innovation performance higher than his customers must also consider the impact upon their customers. We have to remind innovator to focus on why their customers have a different level of evolution in the same innovation activities.

경계요소법을 이용한 반도체 패키지의 응력특이성 해석 (Analyses of Stress Singularities on Bonded Interfaces in the IC Package by Using Boundary Element method)

  • 박철희;정남용
    • 한국공작기계학회논문집
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    • 제16권6호
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    • pp.94-102
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    • 2007
  • Applications of bonded dissimilar materials such as large scale integration (LSI) packages, ceramics/metal and resin/metal bonded joints, are very increasing in various industry fields. It is very important to analyze the thermal stress and stress singularity at interface edge in LSI. In order to investigate stress singularities on the bonded interface edges and delamination of die pad and resin in the IC package. In this paper, stress singularity factors(${\Gamma}_i$) and stress intensity factors($K_i$) considering thermal stress in the IC package were analyzed by using the 2-dimensional elastic boundary element method(BEM).

우리 국민의 철 섭취량 평가: 식품별 영양성분 함량자료와 한국형 총식이조사 기반 추정량 비교 (Dietary Iron Intake of Koreans Estimated using 2 Different Sources of Iron Contents are Comparable: Food & Nutrient Database and Iron Contents of Cooked Foods in the Korean Total Diet Study)

  • 이지연;권성옥;여윤재;서민정;이계호;김초일
    • 대한지역사회영양학회지
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    • 제27권3호
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    • pp.245-253
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    • 2022
  • Objectives: This study was conducted to find out if the dietary iron intake of Koreans estimated by 2 different methods (iron content sources) using the food intake data from the Korea National Health and Nutrition Examination Survey (KNHANES) are comparable. One method was based on the KNHANES's Food & Nutrient Database (FND) derived mainly from the Korean Food Composition Table and the other used the iron content (IC) of food samples processed in the Korean Total Diet Study (KTDS). Methods: Dietary intake data from the 2013-2016 KNHANES was used to select representative foods (RFs) in KTDS for iron analysis. Selection of the RFs and cooking methods for each RF (RF × cooking method pair) was performed according to the 'Guidebook for Korean Total Diet Studies' and resulted in a total of 132 RFs and 224 'RF × cooking method' pairs. RFs were collected in 9 metropolitan cities nationwide once or twice (for those with seasonality) in 2018 and made into 6 composites each, based on the origin and season prior to cooking. Then, the RF composites prepared to a 'table ready' state for KTDS were analyzed by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS). Dietary iron intake of the Korean population was estimated using only RFs' intake data based on the 2 sources of iron content, namely FND-KNHANES and IC-KTDS. Results: RFs in KTDS covered 92.0% of total food intake of Koreans in the 2016-2018 KNHANES. Mean iron intake of Koreans was 7.77 mg/person/day by IC-KTDS vs 9.73 mg/person/day by FND-KNHANES. The major food groups contributing to iron intake were meats (21.7%), vegetables (20.5%), and grains & cereals (13.4%) as per IC-KTDS. On the other hand, the latter source (FND-KNHANES) resulted in a very different profile: grains & cereals (31.1%), vegetables (16.8%), and meats (15.3%). While the top iron source was beef, accounting for 8.6% in the former, it was polished rice (19.2%) in the latter. There was a 10-fold difference in the iron content of polished rice between 2 sources that iron intakes excluding the contribution by polished rice resulted in very similar values: 7.58 mg/person/day by IC-KTDS and 7.86 mg/person/day by FND-KNHANES. Conclusions: This study revealed that the dietary iron intake estimated by 2 different methods were quite comparable, excluding one RF, namely polished rice. KTDS was thus proven to be a useful tool in estimating a 'closer-to-real' dietary intake of nutrients for Koreans and further research on various nutrients is warranted.

Taiwan Packaging Status

  • Fu, Shen-Li;Stanley H. Huang;Enboa Wu;Lee, Rong-Shen
    • 한국마이크로전자및패키징학회:학술대회논문집
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    • 한국마이크로전자및패키징학회 2002년도 International Symposium
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    • pp.71-76
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    • 2002
  • The status of IC industry in Taiwan will be mentioned briefly in the first place. Focus will be mainly on the technology and business of packaging industry in Taiwan. The developments and accomplishments of packaging technology by either research institute or packaging industry will also be introduced. Introduction.

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The Present and Prospect of China IT industry

  • 유신일
    • 한국산업정보학회논문지
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    • 제11권5호
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    • pp.190-197
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    • 2006
  • China has been aware of the urgent need of developing electronic and information industry in order to improve its productivity. Since 1991, IT industry has been one of the main factors to influence China's economic growth. In the results of the efforts to develop its IT industry, China has achieved average 25% yearly growth rate of IT manufacturing industry since 1991. We will take a look at haw the main IT products' performances was, how the role of IT industry was in China economy and in China's trade and how the prospect of China IT industry will be. However, we need to know that, depending an the different areas, the environment of the China's IT industry will be quite different. In China, the east coastal area has the better environment of technology, menpower, infrastructure, and fund for the development of IT industry and the IT industry of this area is very competitive, comparing with the middle and west area.

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