Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Jae Jun Ko"'
Publikováno v:
Journal of Korean Society of Environmental Engineers. 41:278-285
Autor:
Jae-jun Ko, Chung-hyeok Kim
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 32:1-7
Publikováno v:
Journal of the Korean Institute of Electrical and Electronic Material Engineers. 29:729-735
Autor:
Chung-hyeok Kim, Jae-jun Ko
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 29:1-6
Autor:
Jae-jun Ko, Chung-hyeok Kim
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 29:30-38
As products using LEDs are developed actively, also there has been large request for LED products that can replace traditional lamps like fluorescent lamps and metal halide lamps. But so far there is no proper standard that manufacturer can use and t
Publikováno v:
ECS Meeting Abstracts. :1785-1785
To prevent oxidation of the polymer electrolyte membrane (PEM) in the fuel cell, the ability of cerium oxide nanoparticles are well known as free radical scavengers. However the cerium oxide has limited use due to agglomeration and dissolution in the
Publikováno v:
Journal of Applied Physics. 87:8045-8048
The improvement of luminosity and luminous efficiency is the one of the most important tasks in alternating current plasma display panels. The influence of gas mixture ratio, Ne–Xe and He–Ne(27%)–Xe(3%), on luminosity and luminous efficiency in
Publikováno v:
SID Symposium Digest of Technical Papers. 31:706-709
The influences of applied writing pulses on the wall charge distribution and light output for stable sustaining operation has been studied. The applied writing pulses, which have been selected, are the rectangular and the ramp shapes. The rectangular
Autor:
Jae-Jun Ko, Eun Ha Choi, Min-Woo Choug, Gaungsup Cho, Yoonho Seo, Myoung-Chul Choi, Yoon Jung, Han-Sup Uhm, Hyyong Suk
Publikováno v:
IEEE Transactions on Plasma Science. 28:2128-2134
An axially extracted virtual cathode oscillator has been fabricated. This ultra-high-power microwave generator is powered by the "Chundoong" intense relativistic electron beam pulser (Max: 600 kV, 88 kA, and 60 ns duration). In this experiment, a sol
Publikováno v:
IEEE Transactions on Plasma Science. 25:400-404
The pulsewidth and rising time of a mildly relativistic electron beam (300 kV, 1-3 kA) passing through a gas-filled diode region are investigated experimentally under various gas pressures P. The pulsewidth and rising time of a relativistic electron