Identification of the Break-In Mechanism by Asperity Deformation of CMP Pad

Kyeongwoo Jeong, Seonho Jeong, Somin Shin, Jinuk Choi, Haedo Jeong

Chemical Mechanical Planarization (CMP) is an essential process for flattening the surface of the wafer to produce a fine structure. The CMP process is performe...

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DOI: https://doi.org/10.7736/JKSPE.020.082

The Effect of Thickness of Electrodes on Edge Quality in Laser Cutting of Electrodes

Dongkyu Park, Dongkyoung Lee

Many countries are trying to overcome global warming due to greenhouse gas emissions, such as CO. In particular, the regulation on CO emissions of internal comb...

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DOI: https://doi.org/10.7736/JKSPE.020.095

Minimizing Driving Risk of Mobile Robots by Combining a Goal Guidance Vector Algorithm with Reactive Navigation

Keun Ha Choi, SooHyun Kim

In the navigation of mobile robots, the driving risk can be minimized by increasing the probability of success. The algorithm, which is currently commonly known...

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DOI: https://doi.org/10.7736/JKSPE.020.038

A Study on Gimbal Motion Control System Design based on Super-Twisting Control Method

Thinh Huynh, Young-Bok Kim

Controlling an optical sensor’s line of sight (LOS) with an inertial stabilization system carried out on a dynamic platform is a challenging engineering task. T...

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DOI: https://doi.org/10.7736/JKSPE.020.077

Development and Performance Evaluation of a Fine Stage for Compensating 6-DOF Motion Errors of an Ultra-Precision Linear Stage

Hoon-Hee Lee, In-Seok Lee, Kwang-Il Lee, Seung-Han Yang

In ultra-precision processes, such as aerospace parts and precision mold machining, the accuracy of a feed drive system should be secured to achieve sufficient ...

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DOI: https://doi.org/10.7736/JKSPE.020.083

Design and Analysis of Variable Stiffness Joint for Railway Vehicles Using Magneto-Rheological Elastomer

Yujeong Shin, Dahoon Ahn

The magnetorheological material changes its characteristics according to the external magnetic field. Magnetorheological elastomer existing in the solid phase h...

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DOI: https://doi.org/10.7736/JKSPE.020.069

A Study on the Optimum Design of the Spindle Taper Angle by Chucking Force of a 2-Head Simultaneous Grinding Machine

Choon-Man Lee, Jeong-Hak Lee, Ho-In Jeong, Jeong-Hun Lee

In recent years, the machine industry has demanded high precision of the processed products and high efficiency of production due to the rapid development of te...

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DOI: https://doi.org/10.7736/JKSPE.020.079

Development of a Material Mixing Extrusion Type Chocolate 3D Printer

MinSoo Park, HyungJik Jeong, JaeHyuek Moon, JungMuk Lim

With the development of various 3D printing technologies, many studies are being conducted in the field of food printing. In particular, chocolate printing is w...

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DOI: https://doi.org/10.7736/JKSPE.020.089

A Study on the Automated Guided Vehicle Platform for a Logistics Robot

Ho Seong Lee, Sowon Jung, Jae-Yun Jeong, Seong-Hyun Ryu, Won-Shik Chu

The need for automated material handling inside the factory has been steadily increasing, especially due to implementation of intelligent manufacturing for bett...

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DOI: https://doi.org/10.7736/JKSPE.020.098