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홈 > 학문/산업 분야별

반도체_센서기술

전체강좌 28, 현재 1 / 전체 3 페이지
  • Machine Learning-Powered VLSI Physical Design Automation 영상 +강의담기

    학문/산업 분야별 ▶ 반도체_센서기술 ▶ 세미나 및 튜토리얼

     

    VLSI physical design, the process that converts circuit schematics to manufacturable layouts in an automatic fashion, consists of many long-lasting and challenging problems that have been solved by sub-optimal algorithms over the decades. As the technology scaling advances, the sub-optimality becomes more severe and problematic. Machine learning (ML) is one of the promising solutions that help designers achieve the desired Power, Performance, and Area (PPA) goals. In this talk, we present our recent works on utilizing ML algorithms to improve various stages of the modern physical design flow. They span from partitioning, placement, routing, and timing optimization, where Reinforcement, Transformer, Adversarial, and Graph Learning are adopted. We also showcase our recent work recognized with the best paper award from the ACM Design Automation Conference in 2023.

     

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    강의기간 : 2023-07-28 ~ 2023-07-28 강의수 : 1 최근 업데이트 : 2023-08-08 조회 : 143

  • Unique CVD Polymer Processing and Recent Device Applications 영상 +강의담기

    학문/산업 분야별 ▶ 반도체_센서기술 ▶

     

    Chemical Vapor Deposition (CVD) techniques represent a significant advancement over traditional surface coating methods, offering enhanced capabilities for producing conductive and functional polymeric films. In CVD polymerization, the vapor phase is utilized to deliver the monomer(s) to the surface, where they undergo simultaneous polymerization and thin film formation. This innovative approach eliminates the necessity of dissolving macromolecules, enabling the coating of insoluble polymers and safeguarding the substrate against solvent-induced damage. Furthermore, CVD coatings exhibit superior conformality to the underlying substrate geometry due to the absence of de-wetting and surface tension effects. As a result, CVD polymers can be easily applied to a wide range of substrates, including organic and inorganic materials, as well as rigid, flexible, planar, three-dimensional, dense, or porous structures. CVD methods readily integrate with other vacuum-based processes employed for the fabrication of patterned surfaces and devices, offering seamless compatibility and versatility.

     

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    강의기간 : 2023-07-24 ~ 2023-07-24 강의수 : 1 최근 업데이트 : 2023-07-26 조회 : 89

  • Artificial intelligence powers all-in-one miniaturized spectrometers 영상 +강의담기

    학문/산업 분야별 ▶ 반도체_센서기술 ▶

     

    분광계는 산업 및 연구 전반에 걸쳐 빛을 감지하고 분석하는 데 널리 사용됩니다. 분광계는 무지개의 색상과 같이 다양한 파장에서 강도를 나타내는 빛의 스펙트럼을 측정하며 표본과 재료를 식별하고 분석하는 데 필수적인 도구입니다. 2차원 물질의 반데르발스 이종 접합 구조 기반 마이크로 칩 크기의 단일 센서와 인공지능 알고리즘을 결합한 높은 피크 파장 정확도, 높은 스펙트럼 분해능 및 넓은 작동 대역폭을 갖춘 고감도 분광기를 소개합니다. 이 초소형 고감도 일체형 지능형 전산 분광기는 광학 및 기계 부품과 같은 기존 하드웨어를 대체하기 위해 인공 지능을 사용하여 칩 위의 광전자공학 실험실을 가능하게 합니다. 특히, 빛을 분산하고 여과하기 위해 별도의 부피가 큰 구성 요소나 센서 어레이 설계를 필요로 하지 않고 우리 손끝에서 온전히 전기적으로 빛의 스펙트럼을 제어 및 분석할 수 있으므로 스마트폰 및 드론과 같은 휴대용 장치에 대한 확장성과 통합 가능성을 갖습니다. 나아가, 품질 검사 플랫폼, 보안 센서, 생체 시료 분석기, 의료 시스템, 환경 모니터링 도구 및 우주 망원경을 비롯한 다양한 기술에 큰 도움이 됩니다.

     

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    강의기간 : 2022-10-21 ~ 2022-10-21 강의수 : 1 최근 업데이트 : 2022-10-25 조회 : 327

  • High Performance, High Integration Density, and Secured Semiconductor System Design based on a Packaging Technology 영상 +강의담기

    학문/산업 분야별 ▶ 반도체_센서기술 ▶ 세미나 및 튜토리얼

     In this Seminar, Various Packaging researches such as high performance system design, a novel simulation tool development, and hardware security analysis/design will be delivered. Also, an important role of packaging technologies in the era of mobility requiring low noise, low power, and ultra-low latency will be emphasized. 

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    강의기간 : 2022-07-21 ~ 2022-07-21 강의수 : 1 최근 업데이트 : 2022-07-27 조회 : 302

  • Bio-image sensor for monitoring multi-neurotransmitters 영상 +강의담기

    학문/산업 분야별 ▶ 반도체_센서기술 ▶ 세미나 및 튜토리얼

     

     

     

    In the last few decades, there has been increasing interest and investment in developing advances in analysis equipment to study the nervous system. The aim of neuroscientific studies is to explain the function of a neural circuit which is a population of neurons interconnected by synapses. Currently, two-photon fluorescence microscopy is widely used. However, this equipment requires expensive and huge implementations such as precise alignments and lenses, in general. In addition, it is necessary to carry out a pretreatment, like the fluorescent labeling of biomolecules in samples. To overcome these limitations, we proposed a bio-image sensor that not only is a portable and customizable device but also has potential in implantation for long-term recording. In order to image spatiotemporal activities of different neurotransmitters simultaneously, this sensor has been designed to consist of an enzyme-immobilized ISFET array and an integrated readout circuit. The details of the sensor and its future application will be given in this talk.

     

     

     

     

     

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    강의기간 : 2019-12-30 ~ 2019-12-30 강의수 : 1 최근 업데이트 : 2020-01-02 조회 : 1052

  • LED를 이용한 포터블 형광센서시스템 영상 +강의담기

    학문/산업 분야별 ▶ 반도체_센서기술 ▶

     

    LED 및 실리콘광센서를 이용하여 microfluidics chip을 통한 미세조류 등 의 환경시료를 분석할 수 있는 현장진단형 형광센서시스템의 설계 및 그 활용에 대해 발표하고, 다양한 분야에 대한 응용에 대해 논의하고자 함.

    형광센서 모델은 타겟 분석물을 자극하기 위한 3가지 상이한 파장의 발광다이오드 (LED)를 사용하고, 샘플로부터 낮은 형광 방출을 검출하기 위해 매우 정밀한 SiPM(Silicon Photomultiplier)을 사용함. 그에 대응하는 형광 측정을 위한 정밀한 광 검출기를 사용함. 각 분석물로부터 얻어진 형광 방출 패턴에 기초하여, 다중 분석물의 혼합물에서 하나의 분석물을 검출이 가능함.

    또한 루이지애나주립대에서 진행 중인 다양한 센서 연구에 대해 소개하고자 함

     

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    강의기간 : 2018-11-23 ~ 2018-11-23 강의수 : 1 최근 업데이트 : 2018-11-23 조회 : 1186

  • Research Environments in France and Heterogeneous Integration with Energy Harvesting Techniques for Wireless Sensor Network 영상 +강의담기

    학문/산업 분야별 ▶ 반도체_센서기술 ▶ 세미나 및 튜토리얼

     

    This seminar will first introduce the research environments of France focusing on French governmental research organizations such as CNRS, INSERM, CEA, INRA etc. The system of CNRS, the largest research institute of France, will be explained with its history and highlights. Research topic of CNRS researchers is important to begin their career and thus an example will be shortly introduced. Secondly, research activities on heterogeneous integration for wireless sensor network will be summarized. Powering sensor nodes based on external vibration is interesting to make them energically autonomous. As a method of energy harvesting, extraction of electrical energy using a vibrating piezoelectric device is being attractive. Other energy harvesting devices will be also presented.

     

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    강의기간 : 2018-10-25 ~ 2018-10-25 강의수 : 1 최근 업데이트 : 2018-10-26 조회 : 1153

  • CMOS integrated circuits and system for affordable terahertz electronics 영상 +강의담기

    학문/산업 분야별 ▶ 반도체_센서기술 ▶ 세미나 및 튜토리얼

     

    Sub-terahertz and terahertz waves, electromagnetic waves within the frequency range from 100GHz to 10THz, enable unprecedented capabilities thanks to their unique characteristics, such as short wavelength, wide bandwidth and spectral specificity. Key applications include high-resolution imaging, high-speed data communication and gas analysis with absolute specificity through rotational spectroscopy. However, the high cost of the terahertz instrumentation has been limiting its proliferation. If developed, compact and low-cost terahertz electronic systems will accelerate the adoption of terahertz technologies in everyday life. Si-based terahertz electronics can be one of the key enabler of such systems.

    In this seminar, Si CMOS integrated circuits for terahertz applications will be introduced. Following a brief discussion on the tradeoffs and design approaches for CMOS terahertz circuit design, details of example circuits will be presented. The example circuits include 1) a 410-GHz short-range imaging receiver 2) a 240-GHz wideband receiver for rotational spectroscopy 3) a 300-GHz QPSK transmitter for 30-Gbps dielectric waveguide communications.

     

    강의기간 : 2018-07-13 ~ 2018-07-13 강의수 : 1 최근 업데이트 : 2018-07-13 조회 : 1453

  • MEMS-Based Bio Devices, Liquid Metal Electronics and Nanophotonics 영상 +강의담기

    학문/산업 분야별 ▶ 반도체_센서기술 ▶ 세미나 및 튜토리얼

     

    MEMS technologies have enabled many innovative applications across various disciplines. In this talk, recent developments of MEMS-enabled implantable biomedical micro devices, liquid metal microfluidics and nanophotonics developed at UT Dallas will be presented. Examples of the implantable micro devices include a fully-integrated inductively-coupled battery-less wireless pressure sensor for intraocular pressure sensing application, a fully-integrated inductively-coupled wireless micro neurostimulator forchronic pain management, and a micro cell container for β-cell transplantation for diabetes treatment. For the liquid metal microfluidics, fundamental studies on the microfluidic platforms for liquid metal manipulation and its enormous potential along with wide range of applications will be discussed. Nanophotonics is an emerging field of study which deals with interaction of light with nano scale matters. While there have been many fascinating demonstrations in nanophotonics, adding on-demand tunability to the nanophotonics would greatly expand existing application areas and potentially enable unforeseen new applications. Among many exciting “tunable” nanophotonics, this talk gives a review about recent developments of tunable nano photonic devices using MEMS.

     

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    강의기간 : 2018-06-29 ~ 2018-06-29 강의수 : 1 최근 업데이트 : 2018-07-02 조회 : 1406

  • Vertical silicon nanowires for image sensor applications 영상 +강의담기

    학문/산업 분야별 ▶ 반도체_센서기술 ▶ 세미나 및 튜토리얼

     

    Conventional image sensors achieve color imaging using absorptive organic dye filters. These face considerable challenges however in the trend toward ever higher pixel densities and advanced imaging such as multispectral imaging and polarization-resolved imaging. In this talk, we will present a new paradigm for color imaging based on all-silicon nanowire devices without any color filters. We fabricate pixels consisting of vertical silicon nanowires with integrated photodetectors, demonstrate that t heir spectral sensitivities are governed by nanowire radius, and perform color imaging. We also demonstrate polarization-resolving photodetectors consisting of silicon nanowires with elliptical cross sections. Our approach is conceptually different from filter-based methods, as absorbed light is converted to photocurrent, ultimately presenting the opportunity for very high photon efficiency. This work was performed at Harvard University under the supervision of Prof. Kenneth B. Crozier.

     

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    강의기간 : 2018-04-30 ~ 2018-04-30 강의수 : 1 최근 업데이트 : 2018-05-01 조회 : 1341

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