Fabrication Methods for Environmentally Hardened Sensors PDF Download
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Author: Anthony F. Flannery (Jr.)
Publisher: Stanford University
ISBN:
Category :
Languages : en
Pages : 146
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Book Description
around the gaskets.
Author: Anthony F. Flannery (Jr.)
Publisher: Stanford University
ISBN:
Category :
Languages : en
Pages : 146
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Book Description
around the gaskets.
Author: Anthony Francis Flannery (#suffix.)
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Micromachined sensors have continued to open exciting new doors in metrology. Applications in biology, pharmacology, genetics, chemistry, and other fields are driving crossdisciplinary research and development of sensors and sensing systems. The need for sensors that can function successfully in a broad range of environments is clear. Whether the objective is to produce devices for harsh chemical environments or those that will not interfere with delicate biochemical processes, developments in both materials and fabrication techniques will continue to be necessary. In the first stage, PECVD alumina, diamond-like carbon (DLC), flame-front diamond, and PECVD silicon carbide were evaluated for chemical resistance in 49% hydrofluoric acid, 4:1 sulfuric peroxide, concentrated HCL, and 25% tetramethylammonium hydroxide. Only PECVD silicon carbide demonstrated an etch rate less than 0.05 nm/min. While developing an optimized recipe for the STS 310PC PECVD reactor, bimodal behavior was discovered among the films tested; some withstood etching in 22% potassium hydroxide (KOH) at 80 °C, some etched relatively quickly. Rutherford backscattering with hydrogen forward scattering was performed to analyze the stoichiometry with a sample set of representative films. Stoichiometry did not explain the behavior. Further analysis with FTIR showed a correlation with the amount of terminal -CH3 present in the film. These results support a stoichiometric bond model which states that the etch behavior is due to a critically high level of silicon-silicon bonds within the film, which are susceptible to a attack by KOH. With this information, an optimized, etch-resistant, low-stress (
Author: United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Publisher:
ISBN:
Category : Federal aid to energy development
Languages : en
Pages : 1564
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Author:
Publisher:
ISBN:
Category : Nuclear engineering
Languages : en
Pages : 1010
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Author: Eduardo Andre Sousa Marques
Publisher: John Wiley & Sons
ISBN: 3527348697
Category : Technology & Engineering
Languages : en
Pages : 274
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Book Description
Introduction to Adhesive Bonding A step-by-step introduction to basic principles and practical applications of adhesive bonding, designed for students and professionals alike Adhesive bonding—the process of joining two surfaces using glues, epoxies, plastic agents, and other adhesives—is a major technique with wide applications in industries as a diverse as aerospace, footwear manufacturing, and food packaging. Adhesive bonding holds several advantages over conventional joining techniques, such as uniform stress concentrations, protection of the bonded surfaces or joints, and the ability to join a variety of different materials and irregular surfaces. Introduction to Adhesive Bonding provides an accessible overview of the principles and common applications of adhesive bonding. Using a systematic approach, the authors thoroughly explain each step necessary to achieve a successful adhesive bond, including surface preparation, bonding agent selection, design and construction of bonded joints, health and safety considerations, and quality control. Readers are provided with both the theoretical foundation and practical information required to plan and complete their own adhesive bonding projects. This comprehensive yet reader-friendly volume: Highlights the inherent advantages of adhesive bonding in various applications Describes the use of adhesive bonding in the development of novel and advanced projects in different industries Features numerous real-world examples of adhesive bonding in areas such as the transportation industry, civil engineering, medical applications, and sports equipment Discusses how adhesives enable development of new products and constructions of reduced weight and size Identifies important limitations and durability concerns of the use of adhesives in specific applications Introduction to Adhesive Bonding is an ideal textbook for undergraduate or graduate Engineering and Chemistry programs, and a useful reference for researchers and industry professionals working in fields such as Engineering, Surface and Polymer Chemistry, and Materials Science.
Author: T. S. Moss
Publisher: Elsevier
ISBN: 1483158462
Category : Technology & Engineering
Languages : en
Pages : 100
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Book Description
Infrared Detectors is a collection of papers presented at a meeting of the U.S. Speciality Group on Infrared Detectors and deals with a variety of topics related to infrared detectors, such as PbSnTe diodes and detectors, charge coupled devices (CCD), photodiodes, and HgCdTe photoconductive detectors. This text has 11 chapters; the first of which investigates the effects of ionizing radiation on CCDs in order to assess their signal processing advantages in a high natural (Van Allen belt) or artificially induced radiation environment. Attention then turns to defects suffered by n-type HgCdTe due to electron irradiation; thermal recovery processes in HgCdTe and PbSnTe photovoltaic detectors; and thermal limitations in PbSnTe detectors. The following papers present experiments that examine the performance of PbSnTe diodes at moderately reduced backgrounds; preparation of vapor grown lead-tin telluride for 8–14 micrometer photodiodes; and detectivity limits for diffused junction PbSnTe detectors. The optical immersion of HgCdTe photoconductive detectors and far infrared atmospheric transmission measurements conducted in North-Norway are also addressed. This book will be of interest to researchers and students who want to have a better understanding of how infrared detectors work.
Author: Ahmad K. Elshennawy
Publisher: Society of Manufacturing Engineers (SME)
ISBN: 0872638715
Category : Technology & Engineering
Languages : en
Pages : 786
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Book Description
Manufacturers know the value of a knowledgeable workforce. The challenge today is finding skilled people to fill these positions. Since publication of the first edition in 1961, instructors, students, and practitioners have relied on Manufacturing Processes and Materials for the foundational knowledge needed to perform in manufacturing roles across a myriad of industries. As an on-the-job reference, anyone working in a technical department of a manufacturing company — regardless of education, experience, and skill level — will use this book to gain a basic understanding of manufacturing processes, materials, and equipment. Now in its fifth edition, the book covers the basic processes, materials, and machinery used in the job shop, toolroom, or small manufacturing facility. At the same time, it describes advanced equipment used in larger production environments. The reader is given a thorough review of metals, composites, plastics, and other engineering materials, including their physical properties, testing, treatment, and suitability for use in manufacturing. Quality, measurement and gaging, process planning and cost analysis, and manufacturing systems are all addressed. Questions and problems at the end of each chapter can be used as a self-test or as assignments in the classroom. Manufacturing Processes and Materials is also available as an eBook. Additional teaching materials for instructors: Instructor's Guide (eBook only)Instructor's Slides (zip file)
Author: Jun Wang
Publisher: CRC Press
ISBN: 1420041932
Category : Technology & Engineering
Languages : en
Pages : 573
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Book Description
Despite the large volume of publications devoted to neural networks, fuzzy logic, and evolutionary programming, few address the applications of computational intelligence in design and manufacturing. Computational Intelligence in Manufacturing Handbook fills this void as it covers the most recent advances in this area and state-of-the-art applicati
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309095743
Category : Technology & Engineering
Languages : en
Pages : 86
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Book Description
The U.S. Department of Energy (DOE) has supported the Industrial Technologies Program (ITP) for more than a decade. This program supports R&D into energy efficiency technologies designed to decrease the energy intensity of the U.S. industrial sector. The focus in on seven energy-intensive industriesâ€"aluminum, chemicals, forest products, glass, metal casting, mining, and steelâ€"known as the Industries of the Future (IOF). DOE asked the NRC for a review of this program including an evaluation of the ITP strategic plan, an evaluation of the technical quality of individual subprogram plans, and the prospective value of the multi-year program plan. This report presents the results of that review. It contains an assessment of the ITP strategy, of how effective it is being implemented, and the likelihood of achieving program goals. It also provides conclusions about the quality of the subprograms and recommendations about how to strengthen the subprograms and the overall program.
Author: Jiri Marek
Publisher: John Wiley & Sons
ISBN: 352760507X
Category : Technology & Engineering
Languages : en
Pages : 584
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Book Description
Taken as a whole, this series covers all major fields of application for commercial sensors, as well as their manufacturing techniques and major types. As such the series does not treat bulk sensors, but rather places strong emphasis on microsensors, microsystems and integrated electronic sensor packages. Each of the individual volumes is tailored to the needs and queries of readers from the relevant branch of industry. An international team of experts from the leading companies in this field gives a detailed picture of existing as well as future applications. They discuss in detail current technologies, design and construction concepts, market considerations and commercial developments. Topics covered include vehicle safety, fuel consumption, air conditioning, emergency control, traffic control systems, and electronic guidance using radar and video.
