Seungwoo Han

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Flexible printed circuit board (PCB), which is used for folder and slide type cellular phones, consists of flexible copper clad laminate (FCCL) and cover layer. Through it an electric current is applied to liquid crystal display (LCD) from the main board of cellular phone. In thin Cu foils of flexible PCB fatigue cracks due to repeated bending motion(More)
Accurate estimation of construction production, which is composed of productivity and unit costs, allows construction planners and managers to have excellent control over current processes and to correctly predict the production of similar projects in the future. Due to the need for accurate production estimation, selection of the appropriate construction(More)
Productivity estimation has been fundamental subject investigated in academia and industry. There are two common methods for estimation of productivity: (1) deterministic and (2) simulation methods. The deterministic method does not reflect actual conditions, such as randomness of work duration, whereas simulation method can overcome this limitation.(More)
Productivity estimation has been fundamental subject investigated in academia and industry. There are two common methods for estimation of productivity: (1) deterministic and (2) simulation methods. The deterministic method does not reflect actual conditions, such as randomness of work duration, whereas simulation method can overcome this limitation.(More)
PURPOSE The current study was done to determine the role of lipocalin-2 (LCN2) in the pathogenesis of demyelinating optic neuritis using an experimental autoimmune optic neuritis (EAON) model. METHODS The EAON was induced by subcutaneous immunization with an emulsified mixture of myelin oligodendrocyte glycoprotein (MOG35-55) peptide in mice. The LCN2(More)
The aim of this work is to develop a performance evaluation system for thermoelectric cooling modules. We describe the design of such a system, composed of a vacuum chamber with a heat sink along with a metal block to measure the absorbed heat Qc. The system has a simpler structure than existing water-cooled or air-cooled systems. The temperature difference(More)
Automation in construction is considered as one of solutions to fundamental problems which the construction industry has confronted. The development of real-time 3D local terrain modeling is the core methodology of achievement of IES (Intelligent Excavating System) which is a mega-size research concerning automation in construction. Stereo vision technique(More)
The zinc antimonide compound ZnxSby is one of the most efficient thermoelectric materials known at high temperatures due to its exceptional low thermal conductivity. For this reason, it continues to be the focus of active research, especially regarding its glass-like atomic structure. However, before practical use in actual surroundings, such as near a(More)