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Yanggu, South Korea

Park Y.B.,Ajou University | Park G.H.,Ace Technology Corporation | Park H.H.,Samsung | Jung K.-Y.,Hanyang University
Microwave and Optical Technology Letters | Year: 2012

This letter examines the capacitance of coplanar waveguides (CPWs) in multilayer dielectric substrates.An electrostatic boundary-value problem of CPWs in multilayer dielectric substrates is solved based on the Fourier transform, mode matching technique, and superposition considering the conductor thickness. A series representation for the capacitance is presented. The capacitance is calculated in terms of the CPW geometry to illustrate its behaviors. © 2012 Wiley Periodicals, Inc. Source


Kim K.-J.,Yonsei University | Kim J.,Yonsei University | Yoon Y.J.,Yonsei University | Shin C.-M.,Ace Technology Corporation
2010 International Conference on Information and Communication Technology Convergence, ICTC 2010 | Year: 2010

An flexible antenna for UWB high-band sensor network is proposed by simulation and measurement. The proposed antenna is designed to be operated in UWB high-band, which provides advantages for emission power level limit. A Flexible circuit board is used to fabricate the proposed antenna for various sensor network environments. © 2010 IEEE. Source


Shin C.-M.,Ace Technology Corporation
IB2COM 2011 - 6th International Conference on Broadband Communications and Biomedical Applications, Program | Year: 2011

It is proposed IR-UWB(impulse radio ultra wideband) tag and reader for RTLS(Real-Time Location System). Tag works as a transmitter and reader works as a receiver, the tag transmits impulse signal to readers periodically. Each reader checks time of arrival of impulse signal and send time information to location server for calculating position of tag. The tag and reader are tested for this system. © 2011 IEEE. Source


Park Y.B.,Ajou University | Park G.H.,Ace Technology Corporation
Microwave and Optical Technology Letters | Year: 2011

In this letter, the capacitance of a conductor-backed coplanar waveguide (CPW) with an upper shielding is investigated.An electrostatic boundary-value problem of the conductor-backed CPW with an upper shielding is solved using the Fourier transform, mode matching technique, and superposition. The capacitance of the conductor-backed CPW is represented in a series and calculated in terms of the CPW geometry. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:1364-1368, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26007 Copyright © 2011 Wiley Periodicals, Inc. Source


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Ace Technology Corporation | Date: 1982-11-16

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