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Microfabricated Ice Detection Sensor
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Book Synopsis Microfabricated Ice-Detection Sensor by :
Download or read book Microfabricated Ice-Detection Sensor written by and published by . This book was released on 1997 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge of ice conditions on important aircraft lift and control surfaces is critical for safe operation. These conditions can be determined with conventional ice detection sensors, but these sensors are often expensive, require elaborate installation procedures, and interrupt the airflow. A micromachined, silicon based, flush mounted sensor which generates no internal heat has been designed, batch fabricated, packaged, and tested. The sensor is capable of distinguishing between an ice covered and a clean surface. It employs a bulk micromachined wafer with a 7 micrometers thick, boron doped, silicon diaphragm which serves as one plate of a parallel plate capacitor. This is bonded to a second silicon wafer which contains the fixed electrodes; one to drive the diaphragm by application of a voltage, the other to measure the deflection by a change in capacitance. The diaphragm sizes ranged from 1x1mm to 3x3mm, and the gap between parallel plate capacitors is 2 micrometers. A 200V d.c. was applied to the driving electrode which caused the capacitance to increase approximately 0.6pf from a nominal capacitance of 0.6pf when the surface was ice free. After the sensor was cooled below the freezing point of water, the same voltage range was applied to the drive electrode. The capacitance increased by the same amount. Then a drop of water was placed over the diaphragm and allowed to freeze. This created an approximately 2mm thick ice layer. The applied 200V d.c. produced no change in capacitance, confirming that the diaphragm was locked to the ice layer. Since the sensor uses capacitive actuation, it uses very little power and is an ideal candidate for inclusion in a wireless sensing system.
Book Synopsis Microfabricated Ice-detection Sensor by : Russell G. DeAnna
Download or read book Microfabricated Ice-detection Sensor written by Russell G. DeAnna and published by . This book was released on 1997 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Knowledge of ice conditions on important aircraft lift and control surfaces is critical for safe operation. These conditions can be determined with conventional ice detection sensors, but these sensors are often expensive, require elaborate installation procedures, and interrupt the airflow. A micromachined, silicon based, flush mounted sensor which generates no internal heat has been designed, batch fabricated, packaged, and tested. The sensor is capable of distinguishing between an ice covered and a clean surface. It employs a bulk micromachined wafer with a 7 micrometers thick, boron doped, silicon diaphragm which serves as one plate of a parallel plate capacitor. This is bonded to a second silicon wafer which contains the fixed electrodes; one to drive the diaphragm by application of a voltage, the other to measure the deflection by a change in capacitance. The diaphragm sizes ranged from 1x1mm to 3x3mm, and the gap between parallel plate capacitors is 2 micrometers. A 200V d.c. was applied to the driving electrode which caused the capacitance to increase approximately 0.6pf from a nominal capacitance of 0.6pf when the surface was ice free. After the sensor was cooled below the freezing point of water, the same voltage range was applied to the drive electrode. The capacitance increased by the same amount. Then a drop of water was placed over the diaphragm and allowed to freeze. This created an approximately 2mm thick ice layer. The applied 200V d.c. produced no change in capacitance, confirming that the diaphragm was locked to the ice layer. Since the sensor uses capacitive actuation, it uses very little power and is an ideal candidate for inclusion in a wireless sensing system.
Book Synopsis Microengineering Aerospace Systems by : Henry Helvajian
Download or read book Microengineering Aerospace Systems written by Henry Helvajian and published by AIAA. This book was released on 1999 with total page 748 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microengineering Aerospace Systems is a textbook tutorial encompassing MEMS (micro-electromechanical systems), nanoelectronics, packaging, processing, and materials characterization for developing miniaturized smart instruments for aerospace systems (i.e., ASIM application-specific integrated microinstrument), satellites, and satellite subsystems. Third in a series of Aerospace Press publications covering this rapidly advancing technology, this work presents fundamental aspects of the technology and specific aerospace systems applications through worked examples.
Download or read book NASA Tech Briefs written by and published by . This book was released on 1998 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Micro Electro Mechanical Systems by :
Download or read book Micro Electro Mechanical Systems written by and published by Institute of Electrical & Electronics Engineers(IEEE). This book was released on 1998 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Microlithography, Micromachining, and Microfabrication: Micromachining and microfabrication by : P. Rai-Choudhury
Download or read book Handbook of Microlithography, Micromachining, and Microfabrication: Micromachining and microfabrication written by P. Rai-Choudhury and published by SPIE Press. This book was released on 1997 with total page 706 pages. Available in PDF, EPUB and Kindle. Book excerpt: Focusing on the use of microlithography techniques in microelectronics manufacturing, this volume is one of a series addressing a rapidly growing field affecting the integrated circuit industry. New applications in such areas as sensors, actuators and biomedical devices, are described.
Book Synopsis Microfabricated Acoustic Sensors for the Detection of Biomolecules by : Nicole Elizabeth Weckman
Download or read book Microfabricated Acoustic Sensors for the Detection of Biomolecules written by Nicole Elizabeth Weckman and published by . This book was released on 2018 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Smart Structures and Materials written by and published by . This book was released on 1999 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fundamentals of Microfabrication by : Marc J. Madou
Download or read book Fundamentals of Microfabrication written by Marc J. Madou and published by CRC Press. This book was released on 2018-10-08 with total page 764 pages. Available in PDF, EPUB and Kindle. Book excerpt: MEMS technology and applications have grown at a tremendous pace, while structural dimensions have grown smaller and smaller, reaching down even to the molecular level. With this movement have come new types of applications and rapid advances in the technologies and techniques needed to fabricate the increasingly miniature devices that are literally changing our world. A bestseller in its first edition, Fundamentals of Microfabrication, Second Edition reflects the many developments in methods, materials, and applications that have emerged recently. Renowned author Marc Madou has added exercise sets to each chapter, thus answering the need for a textbook in this field. Fundamentals of Microfabrication, Second Edition offers unique, in-depth coverage of the science of miniaturization, its methods, and materials. From the fundamentals of lithography through bonding and packaging to quantum structures and molecular engineering, it provides the background, tools, and directions you need to confidently choose fabrication methods and materials for a particular miniaturization problem. New in the Second Edition Revised chapters that reflect the many recent advances in the field Updated and enhanced discussions of topics including DNA arrays, microfluidics, micromolding techniques, and nanotechnology In-depth coverage of bio-MEMs, RF-MEMs, high-temperature, and optical MEMs. Many more links to the Web Problem sets in each chapter
Book Synopsis Evaluation of SCAN 16 EF Ice Detection System by : Chris Heydrick
Download or read book Evaluation of SCAN 16 EF Ice Detection System written by Chris Heydrick and published by . This book was released on 1995 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Outlook and Challenges of Nano Devices, Sensors, and MEMS by : Ting Li
Download or read book Outlook and Challenges of Nano Devices, Sensors, and MEMS written by Ting Li and published by Springer. This book was released on 2017-02-22 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides readers with an overview of the design, fabrication, simulation, and reliability of nanoscale semiconductor devices, MEMS, and sensors, as they serve for realizing the next-generation internet of things. The authors focus on how the nanoscale structures interact with the electrical and/or optical performance, how to find optimal solutions to achieve the best outcome, how these apparatus can be designed via models and simulations, how to improve reliability, and what are the possible challenges and roadblocks moving forward.
Book Synopsis New Advances in Vehicular Technology and Automotive Engineering by : Joao Carmo
Download or read book New Advances in Vehicular Technology and Automotive Engineering written by Joao Carmo and published by BoD – Books on Demand. This book was released on 2012-08-01 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: An automobile was seen as a simple accessory of luxury in the early years of the past century. However, in the present days it's undeniable the amount of technology and human effort applied by the vehicular industry for developing high?quality vehicles, but still, cheap for the common person. In this context, this book tries not only to fill a gap by presenting new and updated subjects related to the vehicular technology and to the automotive engineering but also to provide guidelines for future research. This book is a result of many valuable contributions from worldwide experts of automotive's field. The amount and type of contributions were judiciously selected to cover as possible the widest range of research. The most recent and cutting?edge subjects can be found in this book, e.g., electronics, mechanics, materials, and manufacturing.
Book Synopsis Design and Development of a Microfabricated Sensor for Biochemical Detection by : Naiara Elejalde Ochandiano
Download or read book Design and Development of a Microfabricated Sensor for Biochemical Detection written by Naiara Elejalde Ochandiano and published by . This book was released on 2003 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Manufacturing Techniques for Microfabrication and Nanotechnology by : Marc J. Madou
Download or read book Manufacturing Techniques for Microfabrication and Nanotechnology written by Marc J. Madou and published by CRC Press. This book was released on 2011-06-13 with total page 672 pages. Available in PDF, EPUB and Kindle. Book excerpt: Designed for science and engineering students, this text focuses on emerging trends in processes for fabricating MEMS and NEMS devices. The book reviews different forms of lithography, subtractive material removal processes, and additive technologies. Both top-down and bottom-up fabrication processes are exhaustively covered and the merits of the different approaches are compared. Students can use this color volume as a guide to help establish the appropriate fabrication technique for any type of micro- or nano-machine.
Book Synopsis Microfabrication for Microfluidics by : Sang-Joon John Lee
Download or read book Microfabrication for Microfluidics written by Sang-Joon John Lee and published by Artech House. This book was released on 2010 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing a definitive source of knowledge about the principles, materials, and process techniques used in the fabrication of microfluidics, this practical volume is a must for your reference shelf. The book focuses on fabrication, but also covers the basic purpose, benefits, and limitations of the fabricated structures as they are applied to microfluidic sensor and actuator functions. You find guidance on rapidly assessing options and tradeoffs for the selection of a fabrication method with clear tabulated process comparisons.
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 3654 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.
Download or read book Ice Detection System written by ACME, Inc and published by . This book was released on 1971 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
