Fundamentals Of An Atomic Force Microscope Based On A Digital Versatile Disk Optical Pick Up Unit

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Fundamentals of an Atomic Force Microscope Based on a Digital Versatile Disk Optical Pick-up Unit

Author : En-Te Hwu
Publisher : Edwin Hwu
ISBN 13 :
Total Pages : 136 pages
Book Rating : 4./5 ( download)

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Book Synopsis Fundamentals of an Atomic Force Microscope Based on a Digital Versatile Disk Optical Pick-up Unit by : En-Te Hwu

Download or read book Fundamentals of an Atomic Force Microscope Based on a Digital Versatile Disk Optical Pick-up Unit written by En-Te Hwu and published by Edwin Hwu. This book was released on 2014-04-30 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: A novel non-contact multiaxial astigmatic detection system (ADS) is designed and developed using the astigmatism as the measuring principle for the translational displacement, the angle, and their variations of a measured surface simultaneously. An optical pickup unit (OPU) of a commercial digital versatile disk (DVD) read only memory (ROM) drive can be used directly as an optical path mechanism in the above mentioned ADS, which can measure the translational and angular displacements accurately and simultaneously. The total linear detection range and the maximum measurement bandwidth of the ADS are 6 mm and 80MHz, respectively. The resolution of the translational displacement measurement is in sub-angstrom scale. For an operating frequency of 700 kHz, the noise floors of the translational and angular signals are below 0.8 pm/Hz1/2 and 0.4 mrad/ Hz1/2, respectively. The ADS can monitor the translational and two orthogonal angular displacements of a micro fabricated cantilever in atomic force microscopy (AFM). All the three, contact non-contact and tapping, modes can resolve the single atomic steps of the graphite surface, which indicates that atomic resolution is achievable with the ADS. The thermal noise spectra of the AFM probe can be clearly measured as well. Furthermore, the accuracy of scanning probe microscopy (SPM) depends not only on the measurement system itself, but also by the accuracy of the signal processing, which further depends on the physical and geometrical characteristics of the probe. The structure of the ADS is compact and stable. Besides the measurements through AFM probes, the ADS can be operated in profilometer mode. The CD surface and the CCD microlens are measured by this mode. The maximum scanning speed can reach up to 3.84×106 mm/s theoretically, almost one million times faster than that of a commercial SPM system. The ADS has a great potential for future development, the expansibility and the accuracy can evolve with the performance of future OPU. From the DVD OPU to higher resolution one, such as the OPU of the Blu-ray drive or high- definition (HD-DVD), can be integrated into the ADS as well. KEYWORDS: Astigmatism, ADS, Translational displacement, Angular displacement, SPM, AFM, Cantilever, Optical profilometer

Feedback Systems

Author : Karl Johan Åström
Publisher : Princeton University Press
ISBN 13 : 069121347X
Total Pages : pages
Book Rating : 4.6/5 (912 download)

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Book Synopsis Feedback Systems by : Karl Johan Åström

Download or read book Feedback Systems written by Karl Johan Åström and published by Princeton University Press. This book was released on 2021-02-02 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The essential introduction to the principles and applications of feedback systems—now fully revised and expanded This textbook covers the mathematics needed to model, analyze, and design feedback systems. Now more user-friendly than ever, this revised and expanded edition of Feedback Systems is a one-volume resource for students and researchers in mathematics and engineering. It has applications across a range of disciplines that utilize feedback in physical, biological, information, and economic systems. Karl Åström and Richard Murray use techniques from physics, computer science, and operations research to introduce control-oriented modeling. They begin with state space tools for analysis and design, including stability of solutions, Lyapunov functions, reachability, state feedback observability, and estimators. The matrix exponential plays a central role in the analysis of linear control systems, allowing a concise development of many of the key concepts for this class of models. Åström and Murray then develop and explain tools in the frequency domain, including transfer functions, Nyquist analysis, PID control, frequency domain design, and robustness. Features a new chapter on design principles and tools, illustrating the types of problems that can be solved using feedback Includes a new chapter on fundamental limits and new material on the Routh-Hurwitz criterion and root locus plots Provides exercises at the end of every chapter Comes with an electronic solutions manual An ideal textbook for undergraduate and graduate students Indispensable for researchers seeking a self-contained resource on control theory

Strengthening Forensic Science in the United States

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309142393
Total Pages : 348 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Strengthening Forensic Science in the United States by : National Research Council

Download or read book Strengthening Forensic Science in the United States written by National Research Council and published by National Academies Press. This book was released on 2009-07-29 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scores of talented and dedicated people serve the forensic science community, performing vitally important work. However, they are often constrained by lack of adequate resources, sound policies, and national support. It is clear that change and advancements, both systematic and scientific, are needed in a number of forensic science disciplines to ensure the reliability of work, establish enforceable standards, and promote best practices with consistent application. Strengthening Forensic Science in the United States: A Path Forward provides a detailed plan for addressing these needs and suggests the creation of a new government entity, the National Institute of Forensic Science, to establish and enforce standards within the forensic science community. The benefits of improving and regulating the forensic science disciplines are clear: assisting law enforcement officials, enhancing homeland security, and reducing the risk of wrongful conviction and exoneration. Strengthening Forensic Science in the United States gives a full account of what is needed to advance the forensic science disciplines, including upgrading of systems and organizational structures, better training, widespread adoption of uniform and enforceable best practices, and mandatory certification and accreditation programs. While this book provides an essential call-to-action for congress and policy makers, it also serves as a vital tool for law enforcement agencies, criminal prosecutors and attorneys, and forensic science educators.

The World is Triangular

Author : Horst Czichos
Publisher : Springer Nature
ISBN 13 : 3030642100
Total Pages : 178 pages
Book Rating : 4.0/5 (36 download)

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Book Synopsis The World is Triangular by : Horst Czichos

Download or read book The World is Triangular written by Horst Czichos and published by Springer Nature. This book was released on 2020-12-14 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a short presentation of the triad philosophy–physics–technology against the background of the common origin in ancient times. This is the first English edition of this book, previously published in German. The emergence of the book has been described in the foreword of the first German edition. This edition is updated and extended, whereby new physical research results and technological innovations were included: - The physics of space and time after the experimental detection of gravitational waves (Nobel Prize for Physics 2017). - The New International System of Units (SI) for Physics and Technology which is completely based on natural constants and entered into force on World Metrology Day, 20 May 2019. - Actual overview of basic technologies: Material, Energy, Information. - Technologies for the “Digital World” of information and communication. - Mechatronic and Cyber-physical systems for Industry 4.0. The significance of technology for the world in the 21st century is discussed in the final section of the book.

Scanning Probe Microscopy and Spectroscopy

Author : Roland Wiesendanger
Publisher : Cambridge University Press
ISBN 13 : 9780521428477
Total Pages : 664 pages
Book Rating : 4.4/5 (284 download)

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Book Synopsis Scanning Probe Microscopy and Spectroscopy by : Roland Wiesendanger

Download or read book Scanning Probe Microscopy and Spectroscopy written by Roland Wiesendanger and published by Cambridge University Press. This book was released on 1994-09-29 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: The investigation and manipulation of matter on the atomic scale have been revolutionised by scanning tunnelling microscopy and related scanning probe techniques. This book is the first to provide a clear and comprehensive introduction to this subject. Beginning with the theoretical background of scanning tunnelling microscopy, the design and instrumentation of practical STM and associated systems are described in detail, as are the applications of these techniques in fields such as condensed matter physics, chemistry, biology, and nanotechnology. Containing 350 illustrations, and over 1200 references, this unique book represents an ideal introduction to the subject for final-year undergraduates in physics or materials science. It will also be invaluable to graduate students and researchers in any branch of science where scanning probe techniques are used.

Foundations of Analog and Digital Electronic Circuits

Author : Anant Agarwal
Publisher : Elsevier
ISBN 13 : 008050681X
Total Pages : 1009 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Foundations of Analog and Digital Electronic Circuits by : Anant Agarwal

Download or read book Foundations of Analog and Digital Electronic Circuits written by Anant Agarwal and published by Elsevier. This book was released on 2005-07-01 with total page 1009 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unlike books currently on the market, this book attempts to satisfy two goals: combine circuits and electronics into a single, unified treatment, and establish a strong connection with the contemporary world of digital systems. It will introduce a new way of looking not only at the treatment of circuits, but also at the treatment of introductory coursework in engineering in general. Using the concept of ''abstraction,'' the book attempts to form a bridge between the world of physics and the world of large computer systems. In particular, it attempts to unify electrical engineering and computer science as the art of creating and exploiting successive abstractions to manage the complexity of building useful electrical systems. Computer systems are simply one type of electrical systems.+Balances circuits theory with practical digital electronics applications.+Illustrates concepts with real devices.+Supports the popular circuits and electronics course on the MIT OpenCourse Ware from which professionals worldwide study this new approach.+Written by two educators well known for their innovative teaching and research and their collaboration with industry.+Focuses on contemporary MOS technology.

Fundamentals of Microfabrication and Nanotechnology, Three-Volume Set

Author : Marc J. Madou
Publisher : CRC Press
ISBN 13 : 1482274663
Total Pages : 1983 pages
Book Rating : 4.4/5 (822 download)

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Book Synopsis Fundamentals of Microfabrication and Nanotechnology, Three-Volume Set by : Marc J. Madou

Download or read book Fundamentals of Microfabrication and Nanotechnology, Three-Volume Set written by Marc J. Madou and published by CRC Press. This book was released on 2018-12-14 with total page 1983 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now in its third edition, Fundamentals of Microfabrication and Nanotechnology continues to provide the most complete MEMS coverage available. Thoroughly revised and updated the new edition of this perennial bestseller has been expanded to three volumes, reflecting the substantial growth of this field. It includes a wealth of theoretical and practical information on nanotechnology and NEMS and offers background and comprehensive information on materials, processes, and manufacturing options. The first volume offers a rigorous theoretical treatment of micro- and nanosciences, and includes sections on solid-state physics, quantum mechanics, crystallography, and fluidics. The second volume presents a very large set of manufacturing techniques for micro- and nanofabrication and covers different forms of lithography, material removal processes, and additive technologies. The third volume focuses on manufacturing techniques and applications of Bio-MEMS and Bio-NEMS. Illustrated in color throughout, this seminal work is a cogent instructional text, providing classroom and self-learners with worked-out examples and end-of-chapter problems. The author characterizes and defines major research areas and illustrates them with examples pulled from the most recent literature and from his own work.

STRUCTURED COMPUTER ORGANIZATION

Author :
Publisher :
ISBN 13 :
Total Pages : 573 pages
Book Rating : 4.:/5 (476 download)

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Book Synopsis STRUCTURED COMPUTER ORGANIZATION by :

Download or read book STRUCTURED COMPUTER ORGANIZATION written by and published by . This book was released on 1996 with total page 573 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Optical Gyros and Their Application

Author :
Publisher : North Atlantic Treaty Organization Resear Rganization
ISBN 13 :
Total Pages : 344 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Optical Gyros and Their Application by :

Download or read book Optical Gyros and Their Application written by and published by North Atlantic Treaty Organization Resear Rganization. This book was released on 1999 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt:

IoT Fundamentals

Author : David Hanes
Publisher : Cisco Press
ISBN 13 : 0134307089
Total Pages : 782 pages
Book Rating : 4.1/5 (343 download)

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Book Synopsis IoT Fundamentals by : David Hanes

Download or read book IoT Fundamentals written by David Hanes and published by Cisco Press. This book was released on 2017-05-30 with total page 782 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today, billions of devices are Internet-connected, IoT standards and protocols are stabilizing, and technical professionals must increasingly solve real problems with IoT technologies. Now, five leading Cisco IoT experts present the first comprehensive, practical reference for making IoT work. IoT Fundamentals brings together knowledge previously available only in white papers, standards documents, and other hard-to-find sources—or nowhere at all. The authors begin with a high-level overview of IoT and introduce key concepts needed to successfully design IoT solutions. Next, they walk through each key technology, protocol, and technical building block that combine into complete IoT solutions. Building on these essentials, they present several detailed use cases, including manufacturing, energy, utilities, smart+connected cities, transportation, mining, and public safety. Whatever your role or existing infrastructure, you’ll gain deep insight what IoT applications can do, and what it takes to deliver them. Fully covers the principles and components of next-generation wireless networks built with Cisco IOT solutions such as IEEE 802.11 (Wi-Fi), IEEE 802.15.4-2015 (Mesh), and LoRaWAN Brings together real-world tips, insights, and best practices for designing and implementing next-generation wireless networks Presents start-to-finish configuration examples for common deployment scenarios Reflects the extensive first-hand experience of Cisco experts

Physical Principles of Electron Microscopy

Author : Ray Egerton
Publisher : Springer Science & Business Media
ISBN 13 : 9780387258003
Total Pages : 224 pages
Book Rating : 4.2/5 (58 download)

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Book Synopsis Physical Principles of Electron Microscopy by : Ray Egerton

Download or read book Physical Principles of Electron Microscopy written by Ray Egerton and published by Springer Science & Business Media. This book was released on 2011-02-11 with total page 224 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning and stationary-beam electron microscopes are indispensable tools for both research and routine evaluation in materials science, the semiconductor industry, nanotechnology and the biological, forensic, and medical sciences. This book introduces current theory and practice of electron microscopy, primarily for undergraduates who need to understand how the principles of physics apply in an area of technology that has contributed greatly to our understanding of life processes and "inner space." Physical Principles of Electron Microscopy will appeal to technologists who use electron microscopes and to graduate students, university teachers and researchers who need a concise reference on the basic principles of microscopy.

Handbook of Modern Sensors

Author : Jacob Fraden
Publisher : Springer Science & Business Media
ISBN 13 : 0387216049
Total Pages : 596 pages
Book Rating : 4.3/5 (872 download)

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Book Synopsis Handbook of Modern Sensors by : Jacob Fraden

Download or read book Handbook of Modern Sensors written by Jacob Fraden and published by Springer Science & Business Media. This book was released on 2006-04-29 with total page 596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Seven years have passed since the publication of the previous edition of this book. During that time, sensor technologies have made a remarkable leap forward. The sensitivity of the sensors became higher, the dimensions became smaller, the sel- tivity became better, and the prices became lower. What have not changed are the fundamental principles of the sensor design. They are still governed by the laws of Nature. Arguably one of the greatest geniuses who ever lived, Leonardo Da Vinci, had his own peculiar way of praying. He was saying, “Oh Lord, thanks for Thou do not violate your own laws. ” It is comforting indeed that the laws of Nature do not change as time goes by; it is just our appreciation of them that is being re?ned. Thus, this new edition examines the same good old laws of Nature that are employed in the designs of various sensors. This has not changed much since the previous edition. Yet, the sections that describe the practical designs are revised substantially. Recent ideas and developments have been added, and less important and nonessential designs were dropped. Probably the most dramatic recent progress in the sensor technologies relates to wide use of MEMS and MEOMS (micro-electro-mechanical systems and micro-electro-opto-mechanical systems). These are examined in this new edition with greater detail. This book is about devices commonly called sensors. The invention of a - croprocessor has brought highly sophisticated instruments into our everyday lives.

The Fingerprint

Author : U. S. Department Justice
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781500674151
Total Pages : 0 pages
Book Rating : 4.6/5 (741 download)

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Book Synopsis The Fingerprint by : U. S. Department Justice

Download or read book The Fingerprint written by U. S. Department Justice and published by Createspace Independent Publishing Platform. This book was released on 2014-08-02 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The idea of The Fingerprint Sourcebook originated during a meeting in April 2002. Individuals representing the fingerprint, academic, and scientific communities met in Chicago, Illinois, for a day and a half to discuss the state of fingerprint identification with a view toward the challenges raised by Daubert issues. The meeting was a joint project between the International Association for Identification (IAI) and West Virginia University (WVU). One recommendation that came out of that meeting was a suggestion to create a sourcebook for friction ridge examiners, that is, a single source of researched information regarding the subject. This sourcebook would provide educational, training, and research information for the international scientific community.

Rhythms of the Brain

Author : G. Buzsáki
Publisher : Oxford University Press
ISBN 13 : 0199828237
Total Pages : 465 pages
Book Rating : 4.1/5 (998 download)

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Book Synopsis Rhythms of the Brain by : G. Buzsáki

Download or read book Rhythms of the Brain written by G. Buzsáki and published by Oxford University Press. This book was released on 2011 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: Studies of mechanisms in the brain that allow complicated things to happen in a coordinated fashion have produced some of the most spectacular discoveries in neuroscience. This book provides eloquent support for the idea that spontaneous neuron activity, far from being mere noise, is actually the source of our cognitive abilities. It takes a fresh look at the coevolution of structure and function in the mammalian brain, illustrating how self-emerged oscillatory timing is the brain's fundamental organizer of neuronal information. The small-world-like connectivity of the cerebral cortex allows for global computation on multiple spatial and temporal scales. The perpetual interactions among the multiple network oscillators keep cortical systems in a highly sensitive "metastable" state and provide energy-efficient synchronizing mechanisms via weak links. In a sequence of "cycles," György Buzsáki guides the reader from the physics of oscillations through neuronal assembly organization to complex cognitive processing and memory storage. His clear, fluid writing-accessible to any reader with some scientific knowledge-is supplemented by extensive footnotes and references that make it just as gratifying and instructive a read for the specialist. The coherent view of a single author who has been at the forefront of research in this exciting field, this volume is essential reading for anyone interested in our rapidly evolving understanding of the brain.

Surfaces and their Measurement

Author : David J. Whitehouse
Publisher : Elsevier
ISBN 13 : 0080518230
Total Pages : 425 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Surfaces and their Measurement by : David J. Whitehouse

Download or read book Surfaces and their Measurement written by David J. Whitehouse and published by Elsevier. This book was released on 2004-07-01 with total page 425 pages. Available in PDF, EPUB and Kindle. Book excerpt: The importance of surface metrology has long been acknowledged in manufacturing and mechanical engineering, but has now gained growing recognition in an expanding number of new applications in fields such as semiconductors, electronics and optics. Metrology is the scientific study of measurement, and surface metrology is the study of the measurement of rough surfaces. In this book, Professor David Whitehouse, an internationally acknowledged subject expert, covers the wide range of theory and practice, including the use of new methods of instrumentation. · Written by one of the world's leading metrologists · Covers electronics and optics applications as well as mechanical · Written for mechanical and manufacturing engineers, tribologists and precision engineers in industry and academia

Physics for Scientists and Engineers

Author : Raymond Serway
Publisher : Cengage Learning
ISBN 13 : 9781133953951
Total Pages : 1344 pages
Book Rating : 4.9/5 (539 download)

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Book Synopsis Physics for Scientists and Engineers by : Raymond Serway

Download or read book Physics for Scientists and Engineers written by Raymond Serway and published by Cengage Learning. This book was released on 2013-01-01 with total page 1344 pages. Available in PDF, EPUB and Kindle. Book excerpt: As a market leader, PHYSICS FOR SCIENTISTS AND ENGINEERS is one of the most powerful brands in the physics market. While preserving concise language, state-of-the-art educational pedagogy, and top-notch worked examples, the Ninth Edition highlights the Analysis Model approach to problem-solving, including brand-new Analysis Model Tutorials, written by text co-author John Jewett, and available in Enhanced WebAssign. The Analysis Model approach lays out a standard set of situations that appear in most physics problems, and serves as a bridge to help students identify the correct fundamental principle--and then the equation--to utilize in solving that problem. The unified art program and the carefully thought out problem sets also enhance the thoughtful instruction for which Raymond A. Serway and John W. Jewett, Jr. earned their reputations. The Ninth Edition of PHYSICS FOR SCIENTISTS AND ENGINEERS continues to be accompanied by Enhanced WebAssign in the most integrated text-technology offering available today. Important Notice: Media content referenced within the product description or the product text may not be available in the ebook version.

Fundamentals of Biomechanics

Author : Duane Knudson
Publisher : Springer Science & Business Media
ISBN 13 : 1475752989
Total Pages : 332 pages
Book Rating : 4.4/5 (757 download)

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Book Synopsis Fundamentals of Biomechanics by : Duane Knudson

Download or read book Fundamentals of Biomechanics written by Duane Knudson and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Biomechanics introduces the exciting world of how human movement is created and how it can be improved. Teachers, coaches and physical therapists all use biomechanics to help people improve movement and decrease the risk of injury. The book presents a comprehensive review of the major concepts of biomechanics and summarizes them in nine principles of biomechanics. Fundamentals of Biomechanics concludes by showing how these principles can be used by movement professionals to improve human movement. Specific case studies are presented in physical education, coaching, strength and conditioning, and sports medicine.