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STUDIES OF EOS SUSCEPTIBILITY IN 0.6-MU-M NMOS ESD I/O PROTECTION STRUCTURES

JOURNAL OF ELECTROSTATICS 1994年第3期33卷 273-289页

作者： DIAZ, CH DUVVURY, C KANG, SM Integrated Circuits Business Division Technology Development Center Hewletr-Packard Co. 3500 Deer Creek Road MS26-U8 Palo Alto CA 94303-0867 USA Texas Instruments Incorporated Semiconductor Process Design Center M/S 461 P.O. Box 655012 Dallas TX 75265 USA University of Illinois at Urbana-Champaign Coordinated Science Laboratory 1308 West Main Street Urbana IL 61801 USA

The electrical overstress (EOS) susceptibility of ESD I/O protection structures needs to be investigated to assure overall EOS/ESD reliability in advanced processes. In this paper, the EOS resistance of 0.6 mu m nMOS ESD protection structures is analyzed in terms of experimental data, failure analysis results and, device-level electrothermal simulations. Thermally induced EOS failures are explained in terms of physical phenomena leading to thermal runaway. Device width and contact-to-gate spacing are shown to directly affect the EOS robustness of the protection devices.

关键词： MOS devices

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Bioremediation using a commercial slurry‐phase biological treatment system: Site‐specific applications and costs

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Remediation Journal 1994年第3期4卷 353-362页

作者： Woodhull, Patrick M. Jerger, Douglas E. Patrick M. Woodhull is a project engineer in the bioremediation program at OHM Remediation Services Corp. a full-service environmental contracting firm in Findlay Ohio. He has 7 years of experience in the design and implementation of process systems for the biological treatment of contaminated materials. He is responsible for the technical management and project engineering of bioremediation projects and evaluation of innovative bioremediation processes. Douglas E. Jerger is OHM's technical director of bioremediation. He has more than 20 years of experience in applied and environmental microbiology. He designs and implements bioremediation programs for laboratory pilot and field projects provides technical management for ongoing projects and oversees OHM's biological research and development program.

Slurry‐phase bioremediation is an engineered process for treating contaminated soils or sludges. Slurry‐phase biological treatment can be applied to a variety of contaminated wastes amenable to microbial degradation, including manufactured gas plant wastes, wood‐treating wastes, refinery wastes, petroleum hydrocarbons, and select chlorinated compounds, including PCBs. This article describes the process by which a commercial slurry‐phase treatment system was used to bioremediate contaminants at two sites–a wood treatment facility and a manufactured gas plant. A process description of the system and an analysis of project costs are provided. Bioremediation offers two advantages over other remediation alternatives: on‐site destruction of the contaminant(s) and lower total remedial costs. Slurry‐phase biological treatment offers several advantages over conventional bioremediation technologies (i.e., land treatment). Slurry‐phase biological treatment can achieve increased degradation rates, higher treatment efficiencies, greater control of environmental and operating conditions, and smaller treatment area requirements. Slurry‐phase biological treatment costs range from approximately $200 to $230 per cubic yard, which is comparable to other on‐site remediation technologies. Copyright © 1994 Wiley Periodicals, Inc., A Wiley Company

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FERMENTATION AND GENETIC-ENGINEERING - PROBLEMS AND PROSPECTS

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BIO-TECHNOLOGY 1983年第10期1卷 847-&页

作者： BULL, DN Daniel N. Bull Ph.D. is a consultant in fermentation technology and president of Satori Corporation P.O. Box 1730 Montclair N.J. 07042. (201) 783-9787.REFERENCES Graff G.M. Short H. and Keene J.1983. Gene-splicing methods move from lab to plant. Chem. Eng.90: 22-27.|ISI|Broda P.1979. p. 1-3. Plasmids. W. H. Freeman Oxford and San Francisco.Donoghue D.J. and Sharp P.A.1978. Construction of a hybrid bacteriophage-plasmid recombinant DNA vector. J. Bact.136: 1192-1196.|PubMed|ISI|ChemPort|Bok S.H. Hoppe D. Mueller D.C. and Lee S.E.1983. Improving the production of recombinant DNA proteins through fermentation development. Abstract from 186th ACS Natl. Mtg. Washington D.C. Sept. 1.Maniatis T. Fritsch E.F. and Sam-brook J.1982. p. 88. Molecular Cloning. Cold Spring Harbor Laboratory. Guidelines for research involving recombinant DNA molecules June 1983 Fed. Reg.48: 24556-24581. Modifications of physical containment recommendations for large-scale uses of organisms containing recombinant DNA molecules. 1983. Recomb. DNA Tech. Bull.6: 69-70.Bull D.N. Thoma R.W. and Stinnett T.E.1983. Bioreactors for submerged culture. In:Adv. in Biotechnological Proc. A. Mizrahi and A. L. van Wezel (eds.) 1: 1-30.Schmidli B.L. and Swartz R.W.1982. Design considerations for aseptic fermentation. Presentation at 184th ACS Natl. Mtg. Kanas City MO.Sittig W.1982. The present state of fermentation reactors. J. Chem. Tech. Biotechnol.32: 47-58.|ISI|Strek F.1963. Intl. Chem. Eng.3: 533.Uhl V.W. and Gray J.B.1996. Mixing Theory and Practice Vol. I. Academic Press New York.Peters M.S. and Timmerhaus K.D.1968. p. 542. Plant Design and Economics for Chemical Engineers. McGraw-Hill New York.Dickey D.S. and Hicks R.W. Fundamentals of agitation. Chem. Eng.83: 93-100.Oldshue J.Y.1983. Fluid mixing technology and practice. Chem. Eng.90: 82-108.Kipke K.D.1981. Heat transfer in aerated non-Newtonian fluids. Abstract from 2nd Eur. Cong. Biotech. Eastbourne UK April 5-10.Blakebrough N. McM

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TRANSIM‐A GENERAL PURPOSE PROBLEM SOLVING TOOL

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Naval Engineers Journal 1973年第5期85卷 79-92页

作者： McMICHAEL, DAVID L. ORLEANS, BEATRICE S. Mr. David L. McMichael:is Senior Development Engineer on the Project TRANSIM Staff at the University of California at Los Angeles. He is widely experienced in the application of quantitative analytical methods in particular computer simulation to the solution of real-world problems. Prior to joining the UCLA Staff he was a commissioned officer in the U.S. Navy and was assigned to the Naval Ship Systems Command as a system analyst engaged in the introduction of quantitative analysis methods in the Navy management decision-making process. He has also been Senior Systems Analyst ASSET Inc. Industrial Engineer with the Surface Combustion Corp. and Speiser Engineering Inc. and a lecturer in Mathematics at North Virginia Community College. He received his MS degree in Operations Research at the U.S. Naval Postgraduate School having specialized in gaming and simulation and his BSME degree at Tri-State College Angola Indiana. Miss Beatrice S. Orleans:holds a BA degree in Mathematics and Statistics from Hunter College and a MS degree in Statistics from Columbia University-Graduate School of Business. She has also completed graduate courses at Columbia George Washington and American Universities. Prior to her present position she was employed by the International Statistical Bureau as an economic statistician the Educational Testing Service as a research assistant the Air Force Human Resources Research Laboratory as an aviation psychologist and Head of the Statistics Section and CNO Aviation Plans and Programs as a mathematical statistician. For the past 20 years she has been with the Bureau of Ships and now the Naval Ship System Command in what is known as the Statistical Engineering Branch of which she has been the Branch Head for the last 10 years. She also has worked in the areas of Statistical Quality Control and Design of Experiments and Reliability and in addition has taught a number of sessions of a course in Introduction to Statistical Inference for the Navy the Laboratories and the Army.

This paper describes TRANSIM simulation a a method for solving problems. There is a brief discussion of modeling and its importance. TRANSIM is compared with other general purpose simulators, special purpose simulation, and network analysis techniques such as PERT/CPM. Data requirements for TRANSIM applications are discussed, and a few examples of specific Navy applications are described in a general fashion. In conclusion, the paper details the latest TRANSIM development work in project analysis and output formats for project risk, resource allocation and scheduling. © 1973 American Society of Naval Engineers

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