Tenan, South Korea
Tenan, South Korea

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Cho J.-W.,Maxtech Co. | Park H.-K.,Namseoul University
International Journal of Applied Engineering Research | Year: 2015

As a way to measure and manage multiple exhaust line pressure efficiently in the manufacturing process of semiconductor, the present study was aimed to design circular a manifold exhaust line, propose Circulation Manifold Exhaust Pressure Check Method that can measure multiple exhaust lines pressure with only one pressure sensor and materialize it. Exhaust line pressure has usually been measured by an electromagnetic valve but it has come to have such shortcomings as the cost increase of electromagnetic valve as the number of exhaust lines to be measured increases and the growing size of monitoring system as the number of electromagnetic valves increases. Therefore, the system to be designed and materialized in this study is characterized with the reduced number of sensors necessary in measuring exhaust line pressure by 50% at maximum and on-spot confirmation of the pressure of multiple exhaust line pressures. © Research India Publications.


Park H.K.,Namseoul University | Yang M.H.,Maxtech Co.
International Journal of Applied Engineering Research | Year: 2014

As for solar vehicles, they use the energy saved in a storage battery when the power generated by solar energy is less than the power consumed. The energy stored in a storage battery is limited; thus, it is essential to conduct a study on measures to fully utilize the power generated from the photovoltaic system. Therefore, this study developed the algorithm for the maximum operating point tracking system and the charging for high-efficiency solar charging electric carts after comparing and analyzing the effectiveness of the maximum power point tracking(MPPT) control algorithm of photovoltaic system and then produced the application and trial product based on this algorithm. © Research India Publications.


Lee E.,Korea Institute of Ceramic Engineering And Technology | Choi K.B.,Korea Institute of Ceramic Engineering And Technology | Lee S.-M.,Korea Institute of Ceramic Engineering And Technology | Kim J.-Y.,Korea Institute of Ceramic Engineering And Technology | And 6 more authors.
RSC Advances | Year: 2015

Nanostructured carbon-ceramic nanocomposites are becoming important and promising structural materials for plasma-resistant applications because of their electro-conductive and mechanically robust (fracture-, wear-, and plasma-resistant) nature. In this work, we present a facile one-pot synthesis of alumina/exfoliated graphite (EG) composite by attrition milling employing small ceramic beads. The resulting composite shows homogeneous dispersion of exfoliated graphitic nanosheets in the ceramic matrix. The sintered composites exhibit excellent electrical conductivity (>1000 S m-1), fracture toughness (5.6 MPa m0.5), and wear resistance, which is enhanced by 7.7 times compared to pure alumina. © 2015 The Royal Society of Chemistry.


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Maxtech LLC | Date: 2012-06-28

Teeth whitening kit.

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