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허성택,김의원 최신의학사 1971 最新醫學 Vol.14 No.3
This is a report of a case of myxosarcoma de developed in the plantar region of the right forefoot. The case was a 27 years old man who complained of only bulky mass in the right forefoot and macrodactylia of 2nd and 3d toes for two months. Roentgenological and all laboratory tests are within normal limits. Wide excision was performed because patient refused the suggested amputation. Mass was measured 9 cm by 6cm. in size and cut surface was appeared to be yellowish-red in color and soft in consistency. The diagnosis was confirmed as myxosarcoma by microscopic examination.
허성택,최석원,Manhwan Lee 한국물리학회 2012 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.60 No.7
A feasibility test of a direct-lit backlight unit (BLU) for a 32-inch liquid crystal display (LCD) incorporating a newly designed pyramid sheet is carried out. The single pyramid sheet in this BLU replaces two diffuser sheets (DSs). Although the viewing-angle-dependent luminance distribution gets worst, the luminous intensity of the direct-lit BLU can be improved by using the proposed single pyramid sheet. The luminance in the front direction is increased by about 28%.
허성택,최석원,이만환 한국물리학회 2011 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.58 No.2
An edge-lit backlight unit (BLU) for small portable liquid crystal displays is proposed. In this BLU, a newly designed single pyramid sheet replaces the two orthogonally-placed prism sheets. If the newly designed pyramid sheet is used, the viewing-angle-dependent luminance distribution of the BLU can be improved.
Nu^(‥)ntscher nall을 사용한 경골골절 치험 8예
허성택,김의원 최신의학사 1971 最新醫學 Vol.14 No.3
8 cases of the tibial fractures had been treated with intramedullary fixation (Kuntscher nail) at the Dept. of the Orthopaedic Surgery 1st ROKA Hospital during 1969. Among them, three cases were fresh fractures and other five cases were nonunion of the tibia. After operation, we had noticed good results. 1. Complete union of the tibial fracture required shorter time period than any other treatment. 2. Good alignment of the fractured tibia and rapid recovery of function of the knee and ankle joint were obtained.
이양규,허성택,이유국,이동구 한국전기전자재료학회 2010 Transactions on Electrical and Electronic Material Vol.11 No.4
Nano-sized MgO single crystal powders have recently been reported to emit ultraviolet by stimulation of electrons in a vacuum. In this study, nanocrystalline MgO powders were applied to a xenon plasma flat fluorescent lamp (FFL) for a liquid crystal display backlight to improve its emission efficiency through the extra ultraviolet from the nano-MgO crystals. For comparison, a MgO nano-thin film was applied directly on the phosphors inside a lamp panel through e-beam evaporation. Adding MgO nano-crystal powders to the phosphors improved the luminance and efficiency of FFLs by around 20% and MgO nano-crystal coverage of 40% of the phosphor provided the best FFL emission characteristics; however, application of MgO thin film to the phosphors degraded the emission characteristics, even compared to FFLs without MgO. This was due to insufficient ultraviolet stimulation of the phosphors and the crystallinity and low secondary electron coefficient of the MgO.