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복잡한 다층 RLC 배선구조에서의 TWA를 기반으로 한 효율적인 시그널 인테그러티 검증
조찬민,어영선 대한전자공학회 2006 電子工學會論文誌-SD (Semiconductor and devices) Vol.43 No.7
A new TWA(Traveling-wave-based Waveform Approximation)-based signal integrity verification method for practical interconnect layout structures which are composed of non-uniform RLC lines with various discontinuities is presented. Transforming the non-uniform lines into virtual uniform lines, signal integrity of the practical layout structures can be very efficiently estimated by using the TWA-technique. It is shown that the proposed technique can estimate the signal integrity much more efficiently than generic SPICE circuit model with 5% timing error and 10% crosstalk error. 본 논문에서는 불규칙하고 복잡한 다층(multi-layer) RLC 배선에 대하여 TWA(Traveling-wave-based Waveform Approximation)을 기반으로 한 새로운 시그널 인테그러티 검증에 대한 방법을 제시한다. 실제 레이아웃 구조의 불규칙한 배선을 가상 직선 배선으로 변환하고, 이를 TWA 기법을 사용하여 효율적으로 검증하였다. 여기서 제안된 방법은 3차원 구조에 대한 회로 모델을 사용한 일반적인 SPICE 시뮬레이션에 비하여 계산시간을 현저하게 단축시킬 수 있으며, 타이밍의 경우 5% 이내에서, 크로스톡의 경우 10% 이내에서 정확하다는 것을 보인다.
조찬민,이동규,이현정,박태언,심욱,윤영훈 한국세라믹학회 2023 세라미스트 Vol.26 No.3
The replacement of fossil fuels is urgently needed for carbon neutrality and sustainable development. Hydrogen is represented as a next-generation energy source, and among the various methods to obtain hydrogen, water electrolysis using catalysts has been studied steadily. Among them, photoelectrochemical water electrolysis using solar energy is a promising method, but it has problems such as high overvoltage, durability of photoelectrodes under aqueous electrolyte environment, and photocorrosion. Therefore, recently, there has been increasing interest in hybrid water electrolysis, which improves efficiency by reducing the high overvoltage of water electrolysis by adding sacrificial materials. In this article, we review various photoelectrochemical hybrid water electrolysis studies and their limitations. The replacement of fossil fuels is urgently needed for carbon neutrality and sustainable development. Hydrogen is represented as a next-generation energy source, and among the various methods to obtain hydrogen, water electrol ysi s usi ng catal yst s has been studi ed steadily. Among them, photoelectrochemical water electrol ysi s using solar energy is a promising method, but it has problems such as high overvoltage, durability of photoelectrodes under aqueous electrolyte environment, and photocorrosion. Therefore, recently, there has been increasing interest in hybrid water electrolysis, which improves efficiency by reducing the high overvoltage of water electrolysis by adding sacrificial materials. In this article, we review various photoelectrochemical hybrid water electrolysis studies and their limitations.