Digital Library

Optimization of End Milling Process for the Lowest Surface Roughness of AZ31B

Hong-Joo Park, Sung Jea ParkJournal of Advanced Technology Research, Vol. 6, No. 1, pp. 11-15, Jun. 2021
10.11111/JATR.2021.6.1.011
Keywords: Taguchi Method, Surface roughness, Magnesium alloy, End mill processing, Processing conditions

Study on Micro-extrusion Process using Non-circular Dies

Sung Jea ParkJournal of Advanced Technology Research, Vol. 5, No. 1, pp. 12-16, Jun. 2020
10.11111/JATR.2020.5.1.012
Keywords: micro-extrusion, shaped filament, non-circular dies

Insert Injection Molding using Thermoplastic Elastomer for Oil-seal

Dae-Yong Shin, Sung Jea ParkJournal of Advanced Technology Research, Vol. 4, No. 2, pp. 16-19, Dec. 2019
10.11111/JATR.2019.4.2.016
Keywords: Themoplastic elastomer, insert injection molding, oil-seal

Non-contact dispensing system based on high speed solenoid valves

Sung Jea ParkJournal of Advanced Technology Research, Vol. 3, No. 1, pp. 1-6, Jun. 2018
10.11111/JATR.2018.3.1.001
Keywords: non-contact dispensing system, high speed solenoid valve, droplet

Simple Fabrication Process for Thin PDMS Membranes Based on Equilibrium of Surface Energy

Dae Yong Shin, Byung Gyu Lim, Sung Jea ParkJournal of Advanced Technology Research, Vol. 2, No. 2, pp. 1-5, Dec. 2017
10.11111/JATR.2017.2.2.001
Keywords: PDMS membrane, Surface energy, Young’s equation, Spreading

Development of Mold Core for Micro-pillar Arrays with High Aspect Ratio Based on Combination of Mold Inserts

Sung Jea ParkJournal of Advanced Technology Research, Vol. 1, No. 1, pp. 21-27, Dec. 2016
10.11111/JATR.2017.1.1.003
Keywords: Mold, Injection molding, Mold core, Mold insert, high-aspect-ratio microstrcuture