34 citations · 70 across the 11 of their papers we have counts for
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physics.ed-ph2018★ 6 cited
Microscope Projection Photolithography Based on Ultraviolet Light-emitting Diodes
Minjae Kwon, Young-Gu Ju
We adapted a conventional microscope for projection photolithography using an ultraviolet (UV) light-emitting diode (LED) as a light source. The use of a UV LED provides the micros…
physics.ed-ph2018★ 8 cited
Fabrication of a high-resolution smartphone spectrometer for education using a 3D printer
Yura Woo, Young-Gu Ju
In this paper, we present the details of the development of a smartphone spectrometer for education using a 3D printer and characterized the performance by comparison with a paper…