Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Jehwang Ryu"'
Publikováno v:
Nanomaterials, Vol 12, Iss 3, p 522 (2022)
The carbon nanotube (CNT) field emitter is suitable for the high frequency pulsing of X-ray. Pulsing reduces 49% of the dose in grid-controlled fluoroscopy and improves the image of moving objects. Various structures and manufacturing processes are b
Externí odkaz:
https://doaj.org/article/207d28117585474e821ac1696595c6d4
Autor:
Sangjun Park, Amar Prasad Gupta, Seung Jun Yeo, Jaeik Jung, Sang Hyun Paik, Mallory Mativenga, Seung Hoon Kim, Ji Hoon Shin, Jeung Sun Ahn, Jehwang Ryu
Publikováno v:
Nanomaterials, Vol 8, Iss 6, p 378 (2018)
In this study, a simple, efficient, and economical process is reported for the direct synthesis of carbon nanotube (CNT) field emitters on metal alloy. Given that CNT field emitters can be customized with ease for compact and cold field emission devi
Externí odkaz:
https://doaj.org/article/ee8a352b0ac64d89a08fd2c0caa34681
Autor:
Amar Prasad Gupta, Sangjun Park, Seung Jun Yeo, Jaeik Jung, Chonggil Cho, Sang Hyun Paik, Hunkuk Park, Young Chul Cho, Seung Hoon Kim, Ji Hoon Shin, Jeung Sun Ahn, Jehwang Ryu
Publikováno v:
Materials, Vol 10, Iss 8, p 878 (2017)
We report the design, fabrication and characterization of a carbon nanotube enabled open-type X-ray system for medical imaging. We directly grew the carbon nanotubes used as electron emitter for electron gun on a non-polished raw metallic rectangular
Externí odkaz:
https://doaj.org/article/92d27e1edfe3494eabf109d0a3dd09b4
Publikováno v:
Medical Imaging 2023: Physics of Medical Imaging.
Autor:
Junyoung Park, Amar Parasd Gupta, Kyung-Sik Yoon, Changwon Jeong, Kwon-Ha Yoon, Seungryong Cho, Jeung Sun Ahn, Mallory Mativenga, Jehwang Ryu
Publikováno v:
Medical Imaging 2023: Physics of Medical Imaging.
Autor:
Amar Prasad Gupta, Taewon Kim, Mrinal Bhusal Sharma, Jinho Choi, Jaekyu Jang, Seung Jun Yeo, Jaeik Jung, Jeung Sun Ahn, Beom-Seok Ko, Jehwang Ryu
Publikováno v:
Medical Imaging 2023: Physics of Medical Imaging.
Autor:
Jinho Choi, Hanna Lee, Amar Prasad Gupta, Mrinal Bhusal Sharm, Jaekyu Jang, Jaeik Jung, Won Jung Lee, Seung Jun Yeo, Moonkyoo Kong, Jehwang Ryu
Publikováno v:
Medical Imaging 2023: Physics of Medical Imaging.
Autor:
Jinho Choi, Junho Yu, Hanna Lee, Amar Prasad Gupta, Mrinal Bhusal Sharm, Jaekyu Jang, Jaeik Jung, Won Jung Lee, Seung Jun Yeo, Moonkyoo Kong, Jehwang Ryu
Publikováno v:
Medical Imaging 2023: Physics of Medical Imaging.
Autor:
Jongmin Lim, Amar Prasad Gupta, Mrinal Bhusal Sharma, Seung Jun Yeo, Jeung Sun Ahn, Jehwang Ryu
Publikováno v:
Medical Imaging 2023: Physics of Medical Imaging.
Autor:
Jaekyu Jang, Amar Prasad Gupta, Keunhwa Park, Jinho Choi, Hanna Lee, Mrinal Bhusal Sharma, Deokwon Seo, Jaeik Jung, Seung Jun Yeo, Jeung Sun Ahn, Jehwang Ryu
Publikováno v:
Medical Imaging 2022: Physics of Medical Imaging.