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Abstract

Management and Production Engineering Review (MPER) is a peer-refereed, international, multidisciplinary journal covering a broad spectrum of topics in production engineering and management. Production engineering is a currently developing stream of science encompassing planning, design, implementation and management of production and logistic systems. Orientation towards human resources factor differentiates production engineering from other technical disciplines. The journal aims to advance the theoretical and applied knowledge of this rapidly evolving field, with a special focus on production management, organisation of production processes, management of production knowledge, computer integrated management of production flow, enterprise effectiveness, maintainability and sustainable manufacturing, productivity and organisation, forecasting, modelling and simulation, decision making systems, project management, innovation management and technology transfer, quality engineering and safety at work, supply chain optimization and logistics. Management and Production Engineering Review is published under the auspices of the Polish Academy of Sciences Committee on Production Engineering and Polish Association for Production Management. The main purpose of Management and Production Engineering Review is to publish the results of cutting-edge research advancing the concepts, theories and implementation of novel solutions in modern manufacturing. Papers presenting original research results related to production engineering and management education are also welcomed. We welcome original papers written in English. The Journal also publishes technical briefs, discussions of previously published papers, book reviews, and editorials. Letters to the Editor-in-Chief are highly encouraged.
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Authors and Affiliations

Sung Do Kim
Jong So Kim
Byeong Min Mun
Suk Joo Bae
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Abstract

Dual-band infrared detector, which acquires more image information than single-band detectors, has excellent detection, recognition, and identification capabilities. The dual-band detector can have two bumps to connect with each absorber layer, but it is difficult to implement small pitch focal plane arrays and its fabrication process is complicated. Therefore, the most effective way for a dual-band detector is to acquire each band by bias-selectable with one bump. To aim this, a dual-band MWIR/LWIR detector based on an InAs/GaSb type-II superlattice nBn structure was designed and its performance was evaluated in this work. Since two absorber layers were separated by the barrier layer, each band can be detected by bias-selectable with one bump. The fabricated dual-band device exhibited the dark current and spectral response characteristics of MWIR and LWIR bands under negative and positive bias, respectively. Spectral crosstalk that is a major issue in dual-band detectors was also improved. Finally, a 20 μm pitch 640 × 512 dual-band detector was fabricated, and both MWIR and LWIR images exhibited an average noise equivalent temperature difference of 30 mK or less at 80 K.
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Authors and Affiliations

Hyun-Jin Lee
1
ORCID: ORCID
Jun Ho Eom
1
Hyun Chul Jung
1
Ko-Ku Kang
1
Seong Min Ryu
1
Ahreum Jang
1
Jong Gi Kim
1
Young Ho Kim
1
Han Jung
1
Sun Ho Kim
2
Jong Hwa Choi
2

  1.  i3system, Inc., 26-32, Gajeongbuk-ro, Yuseong-gu, Daejeon, 34113, Republic of Korea
  2. Agency of Defense Development, 34186 P.O.Box 35, Yuseong-gu, Daejeon, Republic of Korea
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Abstract

In this study, Taylor-vortex reactor was adopted to synthesize silica nanoparticles from sodium silicate solution and carbon dioxide. The outstanding advantages of the reactor have been demonstrated by comparing the synthesis results of silica nanoparticles by Erlenmeyer reactor. The results showed that silica particles synthesized from Taylor-vortex reactor are smaller in size than silica particles synthesized from the Erlenmeyer reactor. SEM images and histogram of particle size distribution obtained from experiments clearly exhibited that the concentration of SiO2 in the solution, reaction temperature, and rotation speed of the cylinder significantly affected morphology as well as size of the silica particles.
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Authors and Affiliations

Hoai-Han Nguyen
1
ORCID: ORCID
Thi Thu Hien Nguyen
1
ORCID: ORCID
Jong-Kil Kim
2
ORCID: ORCID
Young-Sang Cho
1
ORCID: ORCID

  1. Tech University of Korea, Department of Chemical Engineering and Biotechnology, 237, Siheung-si, Gyeonggi-do 15073, Republic of Korea
  2. Bio Nano Korea Co. Ltd ., 237, Siheung-si, Gyeonggi-do 15073, Republic of Korea

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