Zobrazeno 1 - 10
of 108
pro vyhledávání: '"Doo-sun Choi"'
Autor:
Jong-Keun Sim, Dong-Hyun Seo, Eun-Ji Gwak, Ji-Young Jeong, Hwan-ho Maeng, Tae-Jin Je, Doo-Sun Choi, Shinill Kang, Jun Sae Han
Publikováno v:
Journal of Materials Research and Technology, Vol 29, Iss , Pp 511-522 (2024)
Piezoelectric single crystals are multifunctional materials used in advanced ultrasound devices owing to their exceptional piezoelectric properties. Nevertheless, machining methods for these single crystals have been limited due to their brittle natu
Externí odkaz:
https://doaj.org/article/d9e60d5e23c24ef1a096378f8b970f90
Autor:
Ji-Youn Kwak, Ji-Young Jeong, Ye-Pil Kwon, Dong-Hyun Seo, Chung-Mo Kang, Dong-Hyeon Kim, Jun Sae Han, Eun-Ji Gwak, Doo-Sun Choi, Ju-Young Kim, Tae-Jin Je, Eun-chae Jeon
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-11 (2023)
Abstract There has been significant research focused on the development of stretchable materials that can provide a large area with minimal material usage for use in solar cells and displays. However, most materials exhibit perpendicular shrinkage wh
Externí odkaz:
https://doaj.org/article/2c365aabe95543758dbc607b81cefdc5
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-16 (2022)
Abstract In ultra-precision planing process, the analysis of the critical depth of cut (DOC) is required to reduce the edge blunt and micro burrs produced by size effect which decreases of the effective area for high luminance retroreflector. However
Externí odkaz:
https://doaj.org/article/b21189ddbcd14f659d39c04566de4f0f
Autor:
Ji-Young Jeong, Je-Ryung Lee, Hyeonjin Park, Joonkyo Jung, Doo-Sun Choi, Eun-chae Jeon, Jonghwa Shin, Jun Sae Han, Tae-Jin Je
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
Abstract Microwave absorbers using conductive ink are generally fabricated by printing an array pattern on a substrate to generate electromagnetic fields. However, screen printing processes are difficult to vary the sheet resistance values for differ
Externí odkaz:
https://doaj.org/article/ee28a9b9084f4ee699862156407c6b75
Publikováno v:
Remote Sensing, Vol 15, Iss 2, p 372 (2023)
Using GRIMM-1107 aerosol sampler, GOES-9 DCD satellite images, HYSPLIT model of backward trajectory and 3D-meteorological WRF-3.6 model, high particulate matter concentrations were investigated at Gangneung city in the Korean east coast which consist
Externí odkaz:
https://doaj.org/article/edce35eaf5ac4684b12b42b878112a71
Autor:
Seung-Hun Lee, Kihwan Kwon, Kwanoh Kim, Jae Sung Yoon, Doo-Sun Choi, Yeongeun Yoo, Chunjoong Kim, Shinill Kang, Jeong Hwan Kim
Publikováno v:
Materials, Vol 12, Iss 1, p 137 (2019)
The properties of Al-doped SnOx films deposited via reactive co-sputtering were examined in terms of their potential applications for the fabrication of transparent and flexible electronic devices. Al 2.2-atom %-doped SnOx thin-film transistors (TFTs
Externí odkaz:
https://doaj.org/article/31d91b24d7d847749616103e86643668
Autor:
Chung-Mo Kang, Yong-joo Baek, Ji-Young Jeong, Jongkeun Sim, Eun-Ji Gwak, Tae-Jin Je, Doo-Sun Choi, Gyu Man Kim, Jun Sae Han
Publikováno v:
Ceramics International. 48:32036-32048
Autor:
Nguyen Hoang Minh, Kwanoh Kim, Yeong-Eun Yoo, Doo-Sun Choi, Jae Sung Yoon, Soonkook Hong, Jong Min Baek, Sung-Hak Cho, Hui Jae Cho
Publikováno v:
Transactions of the Korean Society of Mechanical Engineers - B. 45:99-103
Publikováno v:
International Journal of Precision Engineering and Manufacturing-Green Technology. 7:1047-1057
The display industries recently demand new microscale dot-type patterns for thinner and brighter displays with high energy efficiency, which are randomly distributed with irregular separation distances and have uniform optical characteristics. We dev
Publikováno v:
Asian Society for Precision Engineering and Nanotechnology (ASPEN 2022).