• Title/Summary/Keyword: N-compatible

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Flexible PCB를 이용한 내장형 캐패시터의 분석 (Analysis of embedded capacitor using Flexible PCB)

  • 유찬세;김진완;유명재;박성대;이우성;이형규;강남기
    • 한국전기전자재료학회:학술대회논문집
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    • 한국전기전자재료학회 2004년도 춘계학술대회 논문집 반도체 재료 센서 박막재료 전자세라믹스
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    • pp.150-152
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    • 2004
  • The number of layers in rigid PCB(printed circuit board) is restricted, so the number of components can be embedded in module is restricted also. But using flexible multilayer PCB, the layers over than 7 can be evaluated. In this study, to verify the possibility of application of flexible multilayer PCB to RF modules, multilayered embedded capacitor is fabricated and analyzed. The characteristics of embedded capacitor is analyzed and compared to that of MLCC and LTCC capacitor. Embedded capacitor has better electrical features than MLCC and compatible one to LTCC capacitor.

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Rate-Compatible LDPC Codes Based on the PEG Algorithm for Relay Communication Systems

  • Zhou, Yangzhao;Jiang, Xueqin;Lee, Moon Ho
    • Journal of Communications and Networks
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    • 제17권4호
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    • pp.346-350
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    • 2015
  • It is known that the progressive edge-growth (PEG) algorithm can be used to construct low-density parity-check (LDPC) codes at finite code lengths with large girths through the establishment of edges between variable and check nodes in an edge-by-edge manner. In [1], the authors derived a class of LDPC codes for relay communication systems by extending the full-diversity root-LDPC code. However, the submatrices of the parity-check matrix H corresponding to this code were constructed separately; thus, the girth of H was not optimized. To solve this problem, this paper proposes a modified PEG algorithm for use in the design of large girth and full-diversity LDPC codes. Simulation results indicated that the LDPC codes constructed using the modified PEG algorithm exhibited a more favorable frame error rate performance than did codes proposed in [1] over block-fading channels.

A High-Density 64k-Bit One-Time Programmable ROM Array with 3-Transistor Cell Standard CMOS Gate-Oxide Antifuse

  • Cha, Hyouk-Kyu;Kim, Jin-Bong;Lee, Kwy-Ro
    • JSTS:Journal of Semiconductor Technology and Science
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    • 제4권2호
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    • pp.106-109
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    • 2004
  • A high-density 3-transistor cell one-time programmable (OTP) ROM array using standard CMOS Gate-Oxide antifuse (AF) is proposed, fabricated, and characterized with $0.18{\mu}m$ CMOS process. The proposed non-volatile high-density OTP ROM is composed of an array of 3-T OTP cells with the 3-T consisting of an nMOS AF, a high voltage (HV) blocking transistor, and a cell access transistor, all compatible with standard CMOS technology.

교량유지관리시스템에 있어서 비파괴 시험의 효율적 활용 방안 (Use of Nondestructive Evaluation Methods in Bridge Management Systems)

  • 심형섭
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 2000년도 가을 학술발표회 논문집(II)
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    • pp.1291-1296
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    • 2000
  • A basis for the direct use of data from nondestructive evaluation methods in bridge management systems is presented. Bridge management systems use integer-valued condition ratings to recognize conditions of bridge elements, to model progression of deterioration, and to determine repair needs. Data from nondestructive evaluation methods can inform management systems on the extent of damage, on the initiation of deterioration processes, and on the exposure of bridge elements to aggressive agents. In addition, data obtained through nondestructive evaluation methods allow the formation of models of specific deterioration process. The use of these data in bridge management systems requires redefinition of condition ratings together with the creation of procedures for automated interpretation of data. By these action, nondestructive evaluation methods are directly used to assign condition ratings, and condition ratings are made into terse form of NDE data that are compatible with present day bridge management systems. This paper reports work in progress to strategic use of nondestructive evaluation methods in bridge management system.

METRIZATION OF THE FUNCTION SPACE M

  • Lee, Joung-Nam;Yang, Young-Kyun
    • Journal of applied mathematics & informatics
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    • 제11권1_2호
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    • pp.391-399
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    • 2003
  • Let (X,S,$\mu$) be a measure space and M be the vector space of all real valued S-measurable functions defined on (X,S,$\mu$). For $E\;{\in}\;S$ with $\mu(E)\;<\;{\infty}$, $d_E$ is a pseudometric on M. With the notion of D = {$d_E$\mid$E\;{\in}\;S,\mu(E)\;<\;{\infty}$}, in this paper we investigate some topological structure T of M. Indeed, we shall show that it is possible to define a complete invariant metric on M which is compatible with the topology T on M.

NMOS 소자에 대한 Ru1Zr1 합금 게이트 전극의 특성 (Properties of Ru1Zr1 Alloy Gate Electrode for NMOS Devices)

  • 이충근;강영섭;홍신남
    • 한국전기전자재료학회논문지
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    • 제17권6호
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    • pp.602-607
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    • 2004
  • This paper describes the characteristics of Ru-Zr alloy gate electrodes deposited by co-sputtering. The various atomic composition was made possible by controlling sputtering power of Ru and Zr. Thermal stability was examined through 600 and 700 $^{\circ}C$ RTA annealing. Variation of oxide thickness and X-ray diffraction(XRD) pattern after annealing were employed to determine the reaction at interface. Low and relatively stable sheet resistances were observed for Ru-Zr alloy after annealing. Electrical properties of alloy film were measured from MOS capacitor and specific atomic composition of Zr and Ru was found to yield compatible work function for nMOS. Ru-Zr alloy was stable up to $700^{\circ}C$ while maintaining appropriate work function and oxide thickness.

Refractive Index and Excess Volume for Diisopropylamine + Isomeric Butanol Mixtures in terms of Nakata and Sakurai model

  • Kumari, Kavitha;Maken, Sanjeev
    • Korean Chemical Engineering Research
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    • 제59권4호
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    • pp.644-651
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    • 2021
  • Alkyl amines are widely used in various industries. Nowadays these are also used in CO2 capture technology because amines react with CO2 and remove it from the flue gas. To make the amines more compatible towards this technology, physico chemical properties may be altered by mixing with other solvents. In the present report, we measured the refractive properties of pure diisopropylamine (DIPA) (1) + isomeric butanol (2) at 298.15 K to 308.15 K. The 𝚫n values were positive for DIPA + n-butanol or sec-butanol or isobutanol or tert-butanol mixtures. The measured data was correlated with Redlich-Kister equation. The excess molar volume data were predicted from refractive index data using Nakata and Sakurai model. The experimental data were also predicted by various correlations, and the prediction capability of these correlations was reported through standard deviation. Further, the deviation in refractive index (𝚫n) data was interpreted by the consideration of specific molecular interactions between DIPA and isomeric butanol.

목포해역에서의 조석모형 적용 (Application of Tidal Computations for Mokpo Coastal Zone)

  • 오남선;강주환
    • 한국항만학회지
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    • 제12권1호
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    • pp.105-111
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    • 1998
  • A horizontal 2-D model which includes the wetting-drying treatment technique in the intertidal zone is applied for the prediction of tidal changes. The flow model is applied to Mokpo coastal zone and verified by measurement data. Comparing computation results with observed values for the M2 tidal constituent, agreeable correspondence is detected. The validity of the model is also proven by applying it to such areas which have narrow width and rapid velocity, irregular topography and complex geometry. Thus, this model can be used as the compatible prediction model for the tidal change and pollutant transport due to the development of Mokpo coastal zone.

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Unusual Applications of Kendrick Plots: Recalibration and Tolerance

  • Thierry N. J. Fouquet;Orlando Cabarcos
    • Mass Spectrometry Letters
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    • 제14권4호
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    • pp.173-177
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    • 2023
  • Kendrick plots offer an alternative visualization of mass spectral data which reveals ion series and patterning by turning a mass spectrum into a map, plotting the fractional mass (wrongly called mass defect) as a function of mass-to-charge ratios and ion abundances. Although routinely used for polymer mass spectrometry, two unreported applications of these Kendrick plots are proposed using the program "kendo2": the graphical recalibration of a mass spectrum via the simulation of a theoretical fractional mass and a multi-segment fit; and the rapid evaluation of scan-to-scan variation of accurate mass measurements used as tolerances for the blank subtraction of UPLC-MS data files. Both applications are compatible with any type of high-resolution MS data including LC/GC-MS(/MS).

CONTROL FUNCTION BASED COUPLED AND COMMON COUPLED FIXED POINT THEOREMS IN PARTIAL METRIC SPACES

  • H. K. Nashine;G. S. Saluja;G. V. V. Jagannadha Rao;W. H. Lim
    • Nonlinear Functional Analysis and Applications
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    • 제29권2호
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    • pp.559-580
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    • 2024
  • In this paper, we aim to prove coupled and common coupled fixed point theorems for contractive type conditions in the context of partial metric spaces by means of a control function, and to provide some corollaries of the established results. This paper presents a number of results that generalize and extend previous work in the field. In order to better illustrate the process, we provide examples.