• 제목/요약/키워드: Materials Innovation

검색결과 507건 처리시간 0.033초

철강산업의 기술혁신패턴과 발전과제 (The Patterns and Directions of Technological Innovation in the Steel Industry)

  • 송성수
    • 기술혁신학회지
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    • 제3권2호
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    • pp.94-110
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    • 2000
  • This article prospects the patterns of technological innovation in the steel industry and suggests the directions of technological innovation in Korean steel industry. Technological innovation patterns can be analysed through technological trends, innovation-inducing mechanism, and innovators' relationships. In the technological trends, direct coupling of manufacturing processes, lasting growth of mini-mill, and the importance of technological integration are prospected. In the innovation-inducing mechanism, while production system will be specialized, the development of new steel materials and environment-friendly technological innovation will be accelerated. In the innovators' relationships, steel industry faces more complex competition and new forms of inter-firm cooperation including M&A, joint venture, and joint R&D. In order to cope with such changes in the technological innovation patterns, Korean steel industry need to establish core competence based on technological innovation through a great leap in R&D investment, the production of high value-added products, the development of new generation steel technologies, strategic joint R&D, comprehensive technological cooperation, and government's active support.

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Preparation and characterization of Mn doped copper nitride films with high photocurrent response

  • Yu, Aiai;Hu, Ruiyuan;Liu, Wei;Zhang, Rui;Zhang, Jian;Pu, Yong;Chu, Liang;Yang, Jianping;Li, Xing'ao
    • Current Applied Physics
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    • 제18권11호
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    • pp.1306-1312
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    • 2018
  • The Mn-doped copper nitride ($Cu_3N$) films with Mn concentration of 2.0 at. % have high crystallinity and uniform surface morphology. We found that the as-synthesized Mn-doped $Cu_3N$ films show suitable optical absorption in the visible region and the band gap is ~1.48 eV. A simple photodetector based on Mn doped $Cu_3N$ films was firstly fabricated via magnetron sputtering method. The fabricated device with doping of Mn demonstrated high photocurrent response and fast response shorter than 0.1 s both for rise and decay time superior to the pure $Cu_3N$. Furthermore, the energy levels of Mn-doped Cu3N matched well with ITO and Ag electrode. The excellent photoelectric properties reflect a good balance between sensitivities and response rate. Our investigation reveals the excellent potential of Mn-doped $Cu_3N$ films for application of photodetectors.

한국 디스플레이산업 가치사슬별 소재부품 및 장비기업의 성장과 혁신 특성 (The Characteristics of Corporate Growth and Innovation in the Materials, Components, and Equipments Sectors of Korean Display Industrial Value Chain)

  • 김갑수
    • 기술혁신학회지
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    • 제20권1호
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    • pp.205-238
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    • 2017
  • 디스플레이산업은 세계 최고의 수준을 달성한 한국의 대표적 주력 산업이다. LCD 패널의 대표기업들을 중심으로 한 기존의 연구와는 달리, 본 연구는 가치사슬 관점과 아키텍처 관점을 결합하여 후방가치사슬(upstream) 영역에 속한 소재부품 장비 공급기업에 중점을 둔 산업의 발달구조와 발전추이 특성을 분석하였다. 2002년부터 2015년까지 208개 기업에 대한 매출액 및 연구개발비 자료를 활용하여, 산업의 가치사슬별 성장 및 혁신 특성을 분석하였다. 결과, 소재부품기업과 장비기업은 패널 제조 공정별로 상반된 발전 추이가 있음을 규명하였다. 본 연구는 디스플레이산업과 같이 대규모 시스템 공정산업의 경우는 공정산업의 특성을 반영하여 기존의 가치사슬 관점에 아키텍처 혁신 관점을 반영한 분석 틀을 통하여 향후 산업 기술 전략과 정책의 방향을 제시하였다는 점에 의의가 있다.

재료기술의 환경패러다임 모색 (A Study of R&D Paradigm For the Materials Technologies Involving Environmental Consciousness)

  • 하재우;권식철;김성준
    • 기술혁신학회지
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    • 제2권1호
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    • pp.104-117
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    • 1999
  • The R&D paradigm for the Materials Technologies involving Environmental Consciousness(MTEC) is sought in this paper with an emphasis on the background and importance of the METC. In this paper the MTEC is defined as "Green Materials Technology", and the Green Materials Technology is classified into four categories based on life cycle of the materials; \circled1Ecomaterials technology(materials design), \circled2Envimatec technology (manufacturing process), \circled3Materials life technology (use & maintenance) and \circled4Materials recycling technology (waste disposal). Each these four categories was introduced. In conclusion, the main R&D field and strategies for the four categories of the Green Materials Technology were suggested.

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Barrier property Enhancement of Plastic Substrates for Flexible Display by Inorganic-organic Hybrid Multilayer

  • Kim, Hyun-Gi;Ryu, Hyun-Sun;Kim, Sung-Soo
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2008년도 International Meeting on Information Display
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    • pp.617-619
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    • 2008
  • Inorganic-organic hybrid multilayers were formed on the plastic substrate to enhance the barrier properties of substrate to water vapor and oxygen transport. Plasma pretreatment of substrate with $Ar/O_2$ lead to adhesion improvement and the densification of inorganic layer on the substrates. Combination of $SiO_xN_y$ layer and silanenanoclay composite layer offered quite good barrier properties (WVTR and OTR) to PES substrate.

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Effects of Electron Irradiation on the Properties of ZnO Thin Films

  • Kim, Seung-Hong;Kim, Sun-Kyung;Kim, So-Young;Kim, Daeil;Choi, Dae-Han;Lee, Byung-Hoon;Kim, Min-Gyu
    • Transactions on Electrical and Electronic Materials
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    • 제14권4호
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    • pp.208-210
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    • 2013
  • ZnO films were deposited on glass substrates by radio frequency (RF) magnetron sputtering and exposed to intense electron beam irradiation to investigate the effects of electron irradiation on the properties of the films. Although all of the films had ZnO (002) textured structure regardless of electron irradiation, the grain sizes of the films decreased with electron irradiation. Surface roughness also depended on electron irradiation. The surface roughness varied between 2.3 and 1.6 nm, depending on the irradiation energy. Based on photoluminescence (PL) characterization, the most intense UV emission was observed from ZnO films irradiated at 900 eV. Since the intensity of UV emission is dependent upon the stoichiometric of ZnO films, we conclude that 900 eV was the optimum electron irradiation energy to achieve the best stoichiometric of ZnO films in this study.

Innovation for Future

  • Koenig, Juergen
    • 한국정보디스플레이학회:학술대회논문집
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    • 한국정보디스플레이학회 2009년도 9th International Meeting on Information Display
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    • pp.7-7
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    • 2009
  • This presentation will introduce Merck's investments for business to support the future market growth as "trendsetter contributor". As the world's oldest phamaceutical & chemical company, Merck has made the seamless investment for innovation. The investment for the new technologies is being continued for new LC materials, OLED material, organic electronic materials for flexible display, more environment friendly products of cell Etching Solutions to Solar Cell makers and variety of high-efficiency phosphors for LED applications. These investment portfolio is well in line with future business environment driving for eco-friendly, thin, fast, low power consumption."

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생체모방 모세관 현상을 이용한 PDMS 구조체 기반 증산발전기 제조기술 연구 (Research on the Manufacturing Technology for a PDMS Structure-Based Transpiration Generator Using Biomimetic Capillary Phenomenon)

  • 이승환;윤정재;백소현;권용범;송요셉;김범성;좌용호;정다운
    • 한국분말재료학회지
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    • 제30권3호
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    • pp.268-275
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    • 2023
  • The demand for energy is steadily rising because of rapid population growth and improvements in living standards. Consequently, extensive research is being conducted worldwide to enhance the energy supply. Transpiration power generation technology utilizes the vast availability of water, which encompasses more than 70% of the Earth's surface, offering the unique advantage of minimal temporal and spatial constraints over other forms of power generation. Various principles are involved in water-based energy harvesting. In this study, we focused on explaining the generation of energy through the streaming potential within the generator component. The generator was fabricated using sugar cubes, PDMS, carbon black, CTAB, and DI water. In addition, a straightforward and rapid manufacturing method for the generator was proposed. The PDMS generator developed in this study exhibits high performance with a voltage of 29.6 mV and a current of 8.29 µA and can generate power for over 40h. This study contributes to the future development of generators that can achieve high performance and long-term power generation.

Development of Bioinformatics Capacity in Support of the KOICA-UPLB-IRRI Agricultural Genomics Research Center

  • Ramil P. Mauleon;Lord Hendrix Barboza;Frances Nikki Borja;Dmytro Chebotarov;Jeffrey Detras;Venice Juanillas;Riza Pasco;Kenneth L. McNally
    • 한국작물학회:학술대회논문집
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    • 한국작물학회 2022년도 추계학술대회
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    • pp.34-34
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    • 2022
  • Capacity building for bioinformatics could be achieved with the systematic training of research staff and higher degree students in the current best practices for analysis of data from 'omic-type experiments. It is anticipated that the KOICA-University of the Philippines Los Baños - International Rice Research Insitute Agricultural Genomics Research Center activities will focus on the use of next generation sequencing technology for genome sequencing and annotation, genome variant discovery for use in GWAS and QTL mapping, and transcriptome analysis of organisms important to agriculture and food security. Such activities require that researchers have high levels of knowledge and skills in bioinformatics in order to gain insights from the results of the experiments performed. In this talk the bioinformatic tools/solutions and online training materials already available will be presented, as well the upcoming resources under development in support of the project.

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Problems Related to Construction and Building Materials in Libya

  • Salah, Abuzaid;Bloomer, Steve
    • Journal of Construction Engineering and Project Management
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    • 제4권4호
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    • pp.1-8
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    • 2014
  • The broad aim of this paper is to provide a detailed understanding of the post-war problems associated with materials for reconstruction in Libya, and to identify key problems and obstructions. Theoretical and empirical studies are being conducted in Libya. The theoretical study focuses on materials for construction and the key issues such as sources, transport and storage of materials, as well as their impact on the national economy, the nation's socio-economic development and the environment. This empirical study employed questionnaires, observations and a series of interviews with researchers, academics, suppliers and manufacturers, supported by the researcher's three decades of experience of working in the construction industry and its associated processes and operations. The empirical study illustrated that materials for post-disaster reconstruction in Libya suffer from external problems related to policies and decision-making in terms of availability of materials, fluctuation of prices of materials, specifications, building codes, legislation and regulations, and internal problems related to the construction and building material's key players: construction companies, consultancy firms, manufacturers and suppliers.