Enhanced and stable electron emission of carbon nanotube emitters with graphitization

SW Lee, JS Kang, HR Lee, SY Park, J Jang, KC Park - Vacuum, 2015 - Elsevier
The effect of graphite coating on carbon nanotube (CNT) emitter arrays on field emission
grown using the resist-assisted patterning (RAP) process was studied. It was found that the …

Highly stable carbon nanotube cathode for electron beam application

JS Kang, JH Hong, MT Chung, KC Park - Journal of Vacuum Science & …, 2016 - pubs.aip.org
The authors fabricated an optimized electron beam (e-beam) with a carbon nanotube (CNT)
cathode and triode configuration. CNT emitters grown with a resist-assisted patterning …

Electron field emission Particle-In-Cell (PIC) coupled with MCNPX simulation of a CNT-based flat-panel x-ray source

EJ Grant, CM Posada, CH Castaño… - Medical Imaging 2011 …, 2011 - spiedigitallibrary.org
A novel x-ray source based on carbon nanotubes (CNTs) field emitters is being developed
as an alternative for medical imaging diagnostic technologies. The design is based on an …

X-ray source with cold emitter fabricated using ZnO conductive whiskers

S Ooki, S Ohshio, J Nishino, Y Ohkawara… - Japanese journal of …, 2008 - iopscience.iop.org
A new structure for the surface illuminant X-ray source system using a low-cost aluminum-
doped zinc oxide (ZnO: Al) whisker cold emitter is proposed and a prototype setup is …

Looking inside a prototype compact X-ray tube comprising CNT-based cold cathode and transmission-type anode

AV Avachat, WW Tucker, CHC Giraldo… - Radiation …, 2020 - meridian.allenpress.com
In this article, we offer a look inside our prototype compact X-ray tube by reporting on our
findings when we experimentally studied it. We studied the prototype experimentally to …

Development of new X-ray source based on carbon nanotube field emission and application to the non destructive imaging technology

HY Choi, CH Shon, JU Kim - IEEE Transactions on Nuclear …, 2009 - ieeexplore.ieee.org
In the present work, a new concept of X-ray source was developed. The conventional
thermionic tungsten filament tube is commonly available in various fields of application, such …

Simulation of the electron field emission characteristics of a flat panel x-ray source

CM Posada, CH Castano, EJ Grant… - Journal of Vacuum …, 2012 - pubs.aip.org
A distributed flat panel x ray source is designed as an alternative for medical and industrial
imaging fields. The distributed x ray source corresponds to a two dimensional array of micro …

fabrication of glass sealed x-ray tube with high performance carbon nanotube electron beam (C-beam)

JH Hong, JS Kang, KC Park - Journal of Nanoscience and …, 2016 - ingentaconnect.com
We developed a vacuum-sealed X-ray tube with glass envelope using carbon nanotube
electron beam (C-beam). The C-beam was fabricated with resist-assisted patterning (RAP) …

Effect of a concave grid mesh in a carbon nanotube-based field emission X-ray source

HS Kim, EJD Castro, CH Lee - Materials Research Bulletin, 2014 - Elsevier
This study introduces a simple approach to improve the X-ray image quality produced by the
carbon nanotube (CNT) field emitter X-ray source by altering the geometrical shape of the …

Carbon-nanotube electron-beam (C-beam) crystallization technique for silicon TFTs

SW Lee, JS Kang, KC Park - Journal of the Korean Physical Society, 2016 - Springer
We introduced a carbon-nanotube (CNT) electron beam (C-beam) for thin film crystallization
and thin film transistor (TFT) applications. As a source of electron emission, a CNT emitter …