• Title/Summary/Keyword: Integrated Protection

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The Active Dissolved Wafer Process (ADWP) for Integrating single Crystal Si MEMS with CMOS Circuits

  • Karl J. Ma;Yogesh B. Glanchandani;Khalil Najafi
    • JSTS:Journal of Semiconductor Technology and Science
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    • v.2 no.4
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    • pp.273-279
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    • 2002
  • This paper presents a fabrication technology for the integration of single crystal Si microstructures with on-chip circuitry. It is a dissolved wafer technique that combines an electro-chemical etch-stop for the protection of circuitry with an impurity-based etch-stop for the microstructures, both of which are defined in an n-epi layer on a p-type Si wafer. A CMOS op. amp. has been integrated with $p^{++}$ Si accelerometers using this process. It has a gain of 68 dB and an output swing within 0.2 V of its power supplies, unaffected by the wafer dissolution. The accelerometers have $3{\;}\mu\textrm{m}$ thick suspension beams and $15{\;}\mu\textrm{m}$ thick proof masses. The structural and electrical integrity of the fabricated devices demonstrates the success of the fabrication process. A variety of lead transfer methods are shown, and process details are discussed.

Development and Application of the Integrated Coastal Observing System (통합연안관측 시스템의 개발과 적용(수공))

  • 박종화;이순혁
    • Proceedings of the Korean Society of Agricultural Engineers Conference
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    • 2000.10a
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    • pp.359-364
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    • 2000
  • The paper presents the results of a study on the desired observing system which setting the high-level objectives for an integrated, sustained, national coastal observing system. Knowledge of the coastal zone is demanded by many constituencies, including fishermen, fisheries managers and climatologist, harbor pilots, coastal zone managers, environmental protection professionals etc. Many of these needs are being partially met by coastal zone observing system elements, both satellite and in situ. Nevertheless, these have not enough developed in an integrated manner and have been funded and operated to meet their own purpose. Thus, this study presents the development and application method for a national coastal zone observing system, which is integration of disparate observational systems and data sets to maximize their utility for many users and purposes.

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Feasibility Study on KSNP Adaption of French Digital Protection System

  • Koo, Jun-Mo;Lee, Young-Ryul;Jung, Ho-Chang;Chang, Ik-Ho;Han, Jai-Bok
    • Nuclear Engineering and Technology
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    • v.28 no.4
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    • pp.359-365
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    • 1996
  • Upgrade of nuclear power plant I&C systems by using digital technology has been implemented to overcome the obsolescence of existing equipment and improve plant availability in many advanced countries. For upgrade of the Plant Protection System(PPS) based on conventional analog technology in the UCN 3&4 and YGN 5&6, French modernized Digital Integrated Protection System(DIPS) with proven technology is reviewed and evaluated for the adaptability into PPS. This paper contains the results of feasibility study for the design of digital PPS using French DIPS technology. Based on the results of evaluations, the system architecture of digital PPS is designed and described.

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A Study on the Design of the Bay Controller for Generator Protection and Control (발전기 보호제어를 위한 Bay Controller 설계에 관한 연구)

  • Jang, Nak-Won;Woo, Chun-Hee;Lee, Sung-Hwan
    • The Transactions of the Korean Institute of Electrical Engineers P
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    • v.57 no.1
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    • pp.46-55
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    • 2008
  • In this paper, we designed the bay control unit that is based on the microprocessors and integrates with the new technology of electrical, electronic, and mechanical fields. Nowadays the customers have required much more integrated multi-protection relay, monitoring, control devices and power management for better and easier maintenance, performance, electrical system analysis and communication according to new trend of switchboard This bay controller supplies those requirements of customers with easy handling and operation. This bay controller provides a graphic display with rear-lit liquid crystal LCD and push buttons as kinds of HMI(Human Machine Interface). This bay controller provides the parameter setting program, control setting program, various editors and fault recording and analysis program on Windows/95/98/NT/2000/XP for HMI. In addition, this bay controller can be set manually and this manual setting function helps user to interface easily.

Digital Electronic Control Center for Low Voltage Motors (저압모터용 디지털 전자 배전반 개발)

  • Kim, Seong-Ryong;Kim, Sung-Ho;Koh, Kang-Hoon;Lee, Hyun-Woo
    • Proceedings of the Korean Institute of IIIuminating and Electrical Installation Engineers Conference
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    • 2004.05a
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    • pp.463-468
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    • 2004
  • The digital motor protection, measuring and control equipment, as called "The digital motor control equipment", for applying to single/three phase motors designed an integrated one unit and manufactured a compact size which will be installed on the motor control center. It performs serveral protection functions and motor starting function, and measures and indicates a serveral measurement. This paper proposes the design concept and functionality of new digital motor control equipment to improve control performance and integrate several equipments for the control and protection of the motor.

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Consumer Protection in E-commerce: Synthesis Review of Related Articles and Websites.

  • Alharthi, Saud Hamoud
    • International Journal of Computer Science & Network Security
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    • v.22 no.8
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    • pp.380-384
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    • 2022
  • To have a complete and comprehensive understanding of the research subject and to form an integrated legal framework for it, I have sought comprehensively to cover the major written literature on the issue under consideration. I also benefitted from a wide range of research and academic studies pertaining to the same topic, although that literature did not specifically address the issue of consumer rights in electronic contracting in the Saudi e-commerce system. Rather, it addressed only the civil and criminal protection of the consumer in e-commerce. I have divided the reviewed literature into two sections according to the sources.

Probabilistic Safety Assessment for High Level Nuclear Waste Repository System

  • Kim, Taw-Woon;Woo, Kab-Koo;Lee, Kun-Jai
    • Journal of Radiation Protection and Research
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    • v.16 no.1
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    • pp.53-72
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    • 1991
  • An integrated model is developed in this paper for the performance assessment of high level radioactive waste repository. This integrated model consists of two simple mathematical models. One is a multiple-barrier failure model of the repository system based on constant failure rates which provides source terms to biosphere. The other is a biosphere model which has multiple pathways for radionuclides to reach to human. For the parametric uncertainty and sensitivity analysis for the risk assessment of high level radioactive waste repository, Latin hypercube sampling and rank correlation techniques are applied to this model. The former is cost-effective for large computer programs because it gives smaller error in estimating output distribution even with smaller number of runs compared to crude Monte Carlo technique. The latter is good for generating dependence structure among samples of input parameters. It is also used to find out the most sensitive, or important, parameter groups among given input parameters. The methodology of the mathematical modelling with statistical analysis will provide useful insights to the decision-making of radioactive waste repository selection and future researches related to uncertain and sensitive input parameters.

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Factors Affecting the Intention of the Rice Farmers to Adopt the Integrated Cash Waqf Environmental Protection Model: An Empirical Study in Kedah Malaysia

  • AFROZ, Rafia;MUHIBBULLAH, Md.;MORSHED, Mohammed Niaz
    • The Journal of Asian Finance, Economics and Business
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    • v.6 no.4
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    • pp.189-199
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    • 2019
  • The objectives of this study are to propose the Integrated Waqf Environmental Protection Model (IWEP) and investigate the farmers' intention to adopt it. In developing the IWEP model and investigating farmers' willingness to adopt it, this study surveyed 400 farmers in Kedah. The intention of the farmers to adopt the proposed model was analysed by adding perceived barriers and socio-economic variables into the theory of reasoned action (TRA) model. The collected data were processed using structural equation modelling (SEM). The SEM results show that the subjective norm is positive and has a significant impact on the intentions of low-income farmers to accept the IWEP model. This indicates that the decision of the low-income farmers to accept the IWEP model is significantly influenced by their family members, neighbours and friends. Furthermore, awareness and perceived barriers have a greater impact on the elderly, highly educated and wealthy farmers. The findings indicate that the elderly, highly educated and wealthy farmers are aware of climate change and they perceive higher risks or barriers to climate change. As a result, they are more likely to have an adaptation intention. If we encourage people to create waqf fund, we can increase the value of the farmer and the country's total GDP.

Packaging MEMS, The Great Challenge of the $21^{st}$ Century

  • Bauer, Charles-E.
    • Proceedings of the International Microelectronics And Packaging Society Conference
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    • 2000.04a
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    • pp.29-33
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    • 2000
  • MEMS, Micro Electro-Mechanical Systems, present one of the greatest advanced packaging challenges of the next decade. Historically hybrid technology, generally thick film, provided sensors and actuators while integrated circuit technologies provided the microelectronics for interpretation and control of the sensor input and actuator output. Brought together in MEMS these technical fields create new opportunities for miniaturization and performance. Integrated circuit processing technologies combined with hybrid design systems yield innovative sensors and actuators for a variety of applications from single crystal silicon wafers. MEMS packages, far more simple in principle than today's electronic packages, provide only physical protection to the devices they house. However, they cannot interfere with the function of the devices and often must actually facilitate the performance of the device. For example, a pressure transducer may need to be open to atmospheric pressure on one side of the detector yet protected from contamination and blockage. Similarly, an optical device requires protection from contamination without optical attenuation or distortion being introduced. Despite impediments such as package standardization and complexity, MEMS markets expect to double by 2003 to more than $9 billion, largely driven by micro-fluidic applications in the medical arena. Like the semiconductor industry before it. MEMS present many diverse demands on the advanced packaging engineering community. With focused effort, particularly on standards and packaging process efficiency. MEMS may offer the greatest opportunity for technical advancement as well as profitability in advanced packaging in the first decade of the 21st century! This paper explores MEMS packaging opportunities and reviews specific technical challenges to be met.

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