1-12 of 12
Boklae Cho
Close
Save search
Follow your search
Access your saved searches in your account
Close Modal
Sort by
Journal Articles

Edge shadow projection method for measuring the brightness of electron guns

Cheolsu Han, Inho Sul, Boklae Cho
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 88, 023302 (2017)
https://doi.org/10.1063/1.4974956
Published: February 2017
View article titled, Edge shadow projection method for measuring the brightness of electron guns
Open the PDF for Edge shadow projection method for measuring the brightness of electron guns in another window
Journal Articles

Low-carbon steel ultra-high-vacuum Schottky emitter electron gun with double O-rings for axis adjustment

In-Yong Park, Boklae Cho
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 35, 020604 (2017)
https://doi.org/10.1116/1.4971413
Published: December 2016
View article titled, Low-carbon steel ultra-high-vacuum Schottky emitter electron gun with double O-rings for axis adjustment
Open the PDF for Low-carbon steel ultra-high-vacuum Schottky emitter electron gun with double O-rings for axis adjustment in another window
Journal Articles

Thermal outgassing rates of low-carbon steels

Chongdo Park, Taekyun Ha, Boklae Cho
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 34, 021601 (2016)
https://doi.org/10.1116/1.4936840
Published: December 2015
View article titled, Thermal outgassing rates of low-carbon steels
Open the PDF for Thermal outgassing rates of low-carbon steels in another window
Journal Articles

Low-energy scanning electron microscope using a monochromator with double-offset cylindrical lenses

Takashi Ogawa, Boklae Cho, Sang Jung Ahn
Journal: Journal of Vacuum Science & Technology B
J. Vac. Sci. Technol. B 33, 06FJ01 (2015)
https://doi.org/10.1116/1.4931933
Published: October 2015
View article titled, Low-energy scanning electron microscope using a monochromator with double-offset cylindrical lenses
Open the PDF for Low-energy scanning electron microscope using a monochromator with double-offset cylindrical lenses in another window
Journal Articles

Note: O-ring stack system for electron gun alignment

In-Yong Park, Boklae Cho, Cheolsu Han, Seungmin Shin, Dongjun Lee, Sang Jung Ahn
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 86, 016110 (2015)
https://doi.org/10.1063/1.4905575
Published: January 2015
View article titled, Note: O-ring stack system for electron gun alignment
Open the PDF for Note: O-ring stack system for electron gun alignment in another window
Journal Articles

W(310) cold-field emission characteristics reflecting the vacuum states of an extreme high vacuum electron gun

Boklae Cho, Kokubo Shigeru, Chuhei Oshima
Journal: Review of Scientific Instruments
Rev. Sci. Instrum. 84, 013305 (2013)
https://doi.org/10.1063/1.4776182
Published: January 2013
View article titled, W(310) cold-field emission characteristics reflecting the vacuum states of an extreme high vacuum electron gun
Open the PDF for W(310) cold-field emission characteristics reflecting the vacuum states of an extreme high vacuum electron gun in another window
Journal Articles

Low fluctuation and drift of field emission currents emitted from Pd/W nanotips

Yuta Akamine, Kazuto Fujiwara, Chuhei Oshima, Boklae Cho
Journal: Journal of Vacuum Science & Technology B
J. Vac. Sci. Technol. B 29, 041808 (2011)
https://doi.org/10.1116/1.3610166
Published: August 2011
View article titled, Low fluctuation and drift of field emission currents emitted from Pd/W nanotips
Open the PDF for Low fluctuation and drift of field emission currents emitted from Pd/W nanotips in another window
Journal Articles

Highly efficient electron gun with a single-atom electron source

Tsuyoshi Ishikawa, Tomohiro Urata, Boklae Cho, Eiji Rokuta, Chuhei Oshima, Yoshinori Terui, Hidekazu Saito, Akira Yonezawa, Tien T. Tsong
Journal: Applied Physics Letters
Appl. Phys. Lett. 90, 143120 (2007)
https://doi.org/10.1063/1.2720348
Published: April 2007
View article titled, Highly efficient electron gun with a single-atom electron source
Open the PDF for Highly efficient electron gun with a single-atom electron source in another window
Journal Articles

Characterization of the diffusion properties of chromium in stainless-steel oxides by photoemission spectroscopy

Boklae Cho, Sangwoon Moon, Sukmin Chung, Kijeong Kim, Taihee Kang, Bongsoo Koo
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 19, 998–1003 (2001)
https://doi.org/10.1116/1.1368837
Published: May 2001
View article titled, Characterization of the diffusion properties of chromium in stainless-steel oxides by photoemission spectroscopy
Open the PDF for Characterization of the diffusion properties of chromium in stainless-steel oxides by photoemission spectroscopy in another window
Journal Articles

Direct observation of oxygen-induced structural changes in stainless-steel surfaces

Boklae Cho, Sukmin Chung, Kijeong Kim, Taihee Kang, Chongdo Park, Bongsoo Kim
Journal: Journal of Vacuum Science & Technology B
J. Vac. Sci. Technol. B 18, 868–872 (2000)
https://doi.org/10.1116/1.591288
Published: March 2000
View article titled, Direct observation of oxygen-induced structural changes in stainless-steel surfaces
Open the PDF for Direct observation of oxygen-induced structural changes in stainless-steel surfaces in another window
Journal Articles

Outgassing rate characteristic of a stainless‐steel extreme high vacuum system

Inkyu Chun, Boklae Cho, Sukmin Chung
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 14, 2636–2640 (1996)
https://doi.org/10.1116/1.579992
Published: July 1996
View article titled, Outgassing rate characteristic of a stainless‐steel extreme high vacuum system
Open the PDF for Outgassing rate characteristic of a stainless‐steel extreme high vacuum system in another window
Journal Articles

Creation of extreme high vacuum with a turbomolecular pumping system: A baking approach

Boklae Cho, Sangtae Lee, Sukmin Chung
Journal: Journal of Vacuum Science & Technology A
J. Vac. Sci. Technol. A 13, 2228–2232 (1995)
https://doi.org/10.1116/1.579547
Published: July 1995
View article titled, Creation of extreme high vacuum with a turbomolecular pumping system: A baking approach
Open the PDF for Creation of extreme high vacuum with a turbomolecular pumping system: A baking approach in another window