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Nuclear Science, IEEE Transactions on

Issue 5 • Date Oct. 1986

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Displaying Results 1 - 9 of 9
  • Table of contents

    Publication Year: 1986 , Page(s): c1
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    Freely Available from IEEE
  • IEEE Transactions on Nuclear Science

    Publication Year: 1986 , Page(s): c2
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    Freely Available from IEEE
  • TREE-Transient Radiation Effects on Electronics

    Publication Year: 1986 , Page(s): 1125
    Cited by:  Papers (1)
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    Freely Available from IEEE
  • Radiation-Tolerant 50MHz Bulk CMOS VLSI Circuits Utilizing Radiation-Hard Structure Nmos Transistors

    Publication Year: 1986 , Page(s): 1126 - 1130
    Cited by:  Papers (3)  |  Patents (1)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (874 KB)  

    A radiation-tolerant, high-speed, bulk CMOS VLSI circuit design, utilizing a new NMOS structure, has been investigated, based on ¿-ray irradiation experimental results for 2¿m shift registers. By utilizing 60-bit clocked gate and transfer gate static shift register circuits, the usefulness of radiation-hard NMOS structure and circuit design parameter optimization has been confirmed experimentally, showing 50 MHz operation CMOS circuits at 5 V supply voltage after 1 × 105 rads (Si) irradiation. The limitations of dynamic circuits in radiation-tolerant circuit designs have also been shown, using 120-bit dynamic shift register circuits. Based on the above results, radiation-tolerant, high-performance, bulk CMOS VLSI circuit designs are discussed. View full abstract»

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  • The HETC/LHI/SGS Radiation Transport Code System

    Publication Year: 1986 , Page(s): 1131 - 1139
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    In this tutorial paper we discuss the High Energy Transport (HETC)/Light Heavy Ion (LHI)/Spallation Gamma Source (SGS) Monte Carlo radiation transport computer code system, used to transport nucleons, pions, muons, photons, and "light heavy" nuclei with 2 ¿ A ¿ 10 through complex materials and geometries. In particular, we present for the first time in a single place a comprehensive, introductory discussion of HETC/LHI/SGS code physics. View full abstract»

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  • Charge Collection by Drift during Single Particle Upset

    Publication Year: 1986 , Page(s): 1140 - 1146
    Cited by:  Papers (6)
    Save to Project icon | Request Permissions | Click to expandQuick Abstract | PDF file iconPDF (1200 KB)  

    An improved analytical model for the drift charge collection during a single particle upset is developed. The model is based on the assumption that initially the plasma column created by an energetic particle is spread by the ambipolar diffusion. Then the collection occurs via the ambipolar drift process at the outer radius of the plasma column where the plasma density drops to a value comparable to the substrate doping. In agreement with experimental data the model predicts that the collected charge increases with the decrease in the substrate doping. A good fit to experimental data for beryllium, oxygen and copper ions is obtained for Si n+p and p+n samples. View full abstract»

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  • Paradigm for Expert Display Systems in Nuclear Plant and Elsewhere

    Publication Year: 1986 , Page(s): 1147 - 1149
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    L. Beltracchi has recently published work on a Rankine cycle display of operation for a nuclear power station. Discovery of the display was lengthy and difficult. This paper discusses similar CRT displays of plant operation from the point of view of knowledge representation and presents an abstraction describing a wide class of such displays. It is suggested that this abstraction is a useful tool for discovery of good safety displays. An example for an idealized, very simple plant is given to explain the concept. View full abstract»

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  • Neutron Activation Analysis with Low Neutron Flux

    Publication Year: 1986 , Page(s): 1150 - 1153
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    Procedures are described for identifying and determining concentrations of trace impurities in minerals by means of neutron activation analysis with low neutron flux and standard gamma measurement equipment. Techniques developed in this work may be of use to those involved with the ever increasing need for mineral assays and for pollutant measurements, but who do not have the latest and most sophisticated equipment. This is especially true for institutions without formal nuclear programs and for developing countries desiring to be self-sustaining. View full abstract»

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  • FASTBUS Cable Segment Extender Based on TTL

    Publication Year: 1986 , Page(s): 1154 - 1156
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    A method to drive a FASTBUS cable segment over long distance is described. The signal level transmitted is converted from standard FASTBUS cable segment signal to a TTL differential output; the scheme increases noise immunity. In addition, the receiver has a wide tolerance of common mode range of +/-15 V. By applying a deskewing mechanism in the extender module, we have achieved more than 1010 transactions of FASTBUS without any error with a cable length of 100 m. View full abstract»

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Aims & Scope

IEEE Transactions on Nuclear Science focuses on all aspects of the theory and applications of nuclear science and engineering, including instrumentation for the detection and measurement of ionizing radiation; particle accelerators and their controls; nuclear medicine and its application; effects of radiation on materials, components, and systems; reactor instrumentation and controls; and measurement of radiation in space.

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