Materials & Process Integration for MEMS

Materials & Process Integration for MEMS PDF

Author: Francis E. H. Tay

Publisher: Springer Science & Business Media

Published: 2013-06-29

Total Pages: 302

ISBN-13: 1475757913

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The field of materials and process integration for MEMS research has an extensive past as well as a long and promising future. Researchers, academicians and engineers from around the world are increasingly devoting their efforts on the materials and process integration issues and opportunities in MEMS devices. These efforts are crucial to sustain the long-term growth of the MEMS field. The commercial MEMS community is heavily driven by the push for profitable and sustainable products. In the course of establishing high volume and low-cost production processes, the critical importance of materials properties, behaviors, reliability, reproducibility, and predictability, as well as process integration of compatible materials systems become apparent. Although standard IC fabrication steps, particularly lithographic techniques, are leveraged heavily in the creation of MEMS devices, additional customized and novel micromachining techniques are needed to develop sophisticated MEMS structures. One of the most common techniques is bulk micromachining, by which micromechanical structures are created by etching into the bulk of the substrates with either anisotropic etching with strong alk:ali solution or deep reactive-ion etching (DRIB). The second common technique is surface micromachining, by which planar microstructures are created by sequential deposition and etching of thin films on the surface of the substrate, followed by a fmal removal of sacrificial layers to release suspended structures. Other techniques include deep lithography and plating to create metal structures with high aspect ratios (LIGA), micro electrodischarge machining (J.

Handbook of Silicon Based MEMS Materials and Technologies

Handbook of Silicon Based MEMS Materials and Technologies PDF

Author: Markku Tilli

Publisher: Elsevier

Published: 2009-12-08

Total Pages: 668

ISBN-13: 9780815519881

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A comprehensive guide to MEMS materials, technologies and manufacturing, examining the state of the art with a particular emphasis on current and future applications. Key topics covered include: Silicon as MEMS material Material properties and measurement techniques Analytical methods used in materials characterization Modeling in MEMS Measuring MEMS Micromachining technologies in MEMS Encapsulation of MEMS components Emerging process technologies, including ALD and porous silicon Written by 73 world class MEMS contributors from around the globe, this volume covers materials selection as well as the most important process steps in bulk micromachining, fulfilling the needs of device design engineers and process or development engineers working in manufacturing processes. It also provides a comprehensive reference for the industrial R&D and academic communities. Veikko Lindroos is Professor of Physical Metallurgy and Materials Science at Helsinki University of Technology, Finland. Markku Tilli is Senior Vice President of Research at Okmetic, Vantaa, Finland. Ari Lehto is Professor of Silicon Technology at Helsinki University of Technology, Finland. Teruaki Motooka is Professor at the Department of Materials Science and Engineering, Kyushu University, Japan. Provides vital packaging technologies and process knowledge for silicon direct bonding, anodic bonding, glass frit bonding, and related techniques Shows how to protect devices from the environment and decrease package size for dramatic reduction of packaging costs Discusses properties, preparation, and growth of silicon crystals and wafers Explains the many properties (mechanical, electrostatic, optical, etc), manufacturing, processing, measuring (incl. focused beam techniques), and multiscale modeling methods of MEMS structures

Microelectromechanical Systems

Microelectromechanical Systems PDF

Author: Committee on Advanced Materials and Fabrication Methods for Microelectromechanical Systems

Publisher: National Academies Press

Published: 1997-12-15

Total Pages: 76

ISBN-13: 0309591511

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Microelectromenchanical systems (MEMS) is a revolutionary field that adapts for new uses a technology already optimized to accomplish a specific set of objectives. The silicon-based integrated circuits process is so highly refined it can produce millions of electrical elements on a single chip and define their critical dimensions to tolerances of 100-billionths of a meter. The MEMS revolution harnesses the integrated circuitry know-how to build working microsystems from micromechanical and microelectronic elements. MEMS is a multidisciplinary field involving challenges and opportunites for electrical, mechanical, chemical, and biomedical engineering as well as physics, biology, and chemistry. As MEMS begin to permeate more and more industrial procedures, society as a whole will be strongly affected because MEMS provide a new design technology that could rival--perhaps surpass--the societal impact of integrated circuits.

MEMS Materials and Processes Handbook

MEMS Materials and Processes Handbook PDF

Author: Reza Ghodssi

Publisher: Springer Science & Business Media

Published: 2011-03-18

Total Pages: 1211

ISBN-13: 0387473181

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MEMs Materials and Processes Handbook" is a comprehensive reference for researchers searching for new materials, properties of known materials, or specific processes available for MEMS fabrication. The content is separated into distinct sections on "Materials" and "Processes". The extensive Material Selection Guide" and a "Material Database" guides the reader through the selection of appropriate materials for the required task at hand. The "Processes" section of the book is organized as a catalog of various microfabrication processes, each with a brief introduction to the technology, as well as examples of common uses in MEMs.

3D and Circuit Integration of MEMS

3D and Circuit Integration of MEMS PDF

Author: Masayoshi Esashi

Publisher: John Wiley & Sons

Published: 2021-07-19

Total Pages: 44

ISBN-13: 3527346473

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3D and Circuit Integration of MEMS Explore heterogeneous circuit integration and the packaging needed for practical applications of microsystems MEMS and system integration are important building blocks for the “More-Than-Moore” paradigm described in the International Technology Roadmap for Semiconductors. And, in 3D and Circuit Integration of MEMS, distinguished editor Dr. Masayoshi Esashi delivers a comprehensive and systematic exploration of the technologies for microsystem packaging and heterogeneous integration. The book focuses on the silicon MEMS that have been used extensively and the technologies surrounding system integration. You’ll learn about topics as varied as bulk micromachining, surface micromachining, CMOS-MEMS, wafer interconnection, wafer bonding, and sealing. Highly relevant for researchers involved in microsystem technologies, the book is also ideal for anyone working in the microsystems industry. It demonstrates the key technologies that will assist researchers and professionals deal with current and future application bottlenecks. Readers will also benefit from the inclusion of: A thorough introduction to enhanced bulk micromachining on MIS process, including pressure sensor fabrication and the extension of MIS process for various advanced MEMS devices An exploration of epitaxial poly Si surface micromachining, including process condition of epi-poly Si, and MEMS devices using epi-poly Si Practical discussions of Poly SiGe surface micromachining, including SiGe deposition and LP CVD polycrystalline SiGe A concise treatment of heterogeneously integrated aluminum nitride MEMS resonators and filters Perfect for materials scientists, electronics engineers, and electrical and mechanical engineers, 3D and Circuit Integration of MEMS will also earn a place in the libraries of semiconductor physicists seeking a one-stop reference for circuit integration and the practical application of microsystems.

Mems Packaging

Mems Packaging PDF

Author: Lee Yung-cheng

Publisher: World Scientific

Published: 2018-01-03

Total Pages: 364

ISBN-13: 9813229373

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MEMS sensors and actuators are enabling components for smartphones, AR/VR, and wearable electronics. MEMS packaging is recognized as one of the most critical activities to design and manufacture reliable MEMS. A unique challenge to MEMS packaging is how to protect moving MEMS devices during manufacturing and operation. With the introduction of wafer level capping and encapsulation processes, this barrier is removed successfully. In addition, MEMS devices should be integrated with their electronic chips with the smallest footprint possible. As a result, 3D packaging is applied to connect the devices vertically for the most effective integration. Such 3D packaging also paves the way for further heterogenous integration of MEMS devices, electronics, and other functional devices. This book consists of chapters written by leaders developing products in a MEMS industrial setting and faculty members conducting research in an academic setting. After an introduction chapter, the practical issues are covered: through-silicon vias (TSVs), vertical interconnects, wafer level packaging, motion sensor-to-CMOS bonding, and use of printed circuit board technology to fabricate MEMS. These chapters are written by leaders developing MEMS products. Then, fundamental issues are discussed, topics including encapsulation of MEMS, heterogenous integration, microfluidics, solder bonding, localized sealing, microsprings, and reliability. Contents: Introduction to MEMS Packaging (Y C Lee, Ramesh Ramadoss and Nils Hoivik)Silex's TSV Technology: Overview of Processes and MEMS Applications (Tomas Bauer and Thorbjörn Ebefors)Vertical Interconnects for High-end MEMS (Maaike M Visser Taklo and Sigurd Moe)Using Wafer-Level Packaging to Improve Sensor Manufacturability and Cost (Paul Pickering, Collin Twanow and Dean Spicer)Nasiri Fabrication Process for Low-Cost Motion Sensors in the Consumer Market (Steven Nasiri, Ramesh Ramadoss and Sandra Winkler)PCB Based MEMS and Microfluidics (Ramesh Ramadoss, Antonio Luque and Carmen Aracil)Single Wafer Encapsulation of MEMS Resonators (Janna Rodriguez and Thomas Kenny)Heterogeneous Integration and Wafer-Level Packaging of MEMS (Masayoshi Esashi and Shuji Tanaka)Packaging of Membrane-Based Polymer Microfluidic Systems (Yu-Chuan Su)Wafer-Level Solder Bonding by Using Localized Induction Heating (Hsueh-An Yang, Chiung-Wen Lin and Weileun Fang)Localized Sealing Schemes for MEMS Packaging (Y T Cheng, Y C Su and Liwei Lin)Microsprings for High-Density Flip-Chip Packaging (Eugene M Chow and Christopher L Chua)MEMS Reliability (Chien-Ming Huang, Arvind Sai SarathiVasan, Yunhan Huang, Ravi Doraiswami, Michael Osterman and Michael Pecht) Readership: Researchers and graduate students participating in research, R&D, and manufacturing of MEMS products; professionals associated with the integration for systems represented by smartphones, AR/VR, and wearable electronics. Keywords: MEMS;Packaging;Microelectromechanical Systems;Reliability;Microstructures;Sensors;ActuatorsReview: Key Features: The book covers engineering topics critical to product development as well as research topics critical to integration for future MEMS-enabled systemsIt is a major resource for those participating in MEMS and for every professional associated with the integration for systems represented by smartphones, AR/VR and wearable electronics

Handbook of Silicon Based MEMS Materials and Technologies

Handbook of Silicon Based MEMS Materials and Technologies PDF

Author: Markku Tilli

Publisher: Elsevier

Published: 2020-04-17

Total Pages: 1028

ISBN-13: 012817787X

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Handbook of Silicon Based MEMS Materials and Technologies, Third Edition is a comprehensive guide to MEMS materials, technologies, and manufacturing with a particular emphasis on silicon as the most important starting material used in MEMS. The book explains the fundamentals, properties (mechanical, electrostatic, optical, etc.), materials selection, preparation, modeling, manufacturing, processing, system integration, measurement, and materials characterization techniques of MEMS structures. The third edition of this book provides an important up-to-date overview of the current and emerging technologies in MEMS making it a key reference for MEMS professionals, engineers, and researchers alike, and at the same time an essential education material for undergraduate and graduate students. Provides comprehensive overview of leading-edge MEMS manufacturing technologies through the supply chain from silicon ingot growth to device fabrication and integration with sensor/actuator controlling circuits Explains the properties, manufacturing, processing, measuring and modeling methods of MEMS structures Reviews the current and future options for hermetic encapsulation and introduces how to utilize wafer level packaging and 3D integration technologies for package cost reduction and performance improvements Geared towards practical applications presenting several modern MEMS devices including inertial sensors, microphones, pressure sensors and micromirrors

Advanced Materials and Technologies for Micro/Nano-Devices, Sensors and Actuators

Advanced Materials and Technologies for Micro/Nano-Devices, Sensors and Actuators PDF

Author: Evgeni Gusev

Publisher: Springer Science & Business Media

Published: 2010-03-15

Total Pages: 310

ISBN-13: 9048138051

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A NATO Advanced Research Workshop (ARW) entitled “Advanced Materials and Technologies for Micro/Nano Devices, Sensors and Actuators” was held in St. Petersburg, Russia, from June 29 to July 2, 2009. The main goal of the Workshop was to examine (at a fundamental level) the very complex scientific issues that pertain to the use of micro- and nano-electromechanical systems (MEMS and NEMS), devices and technologies in next generation commercial and defen- related applications. Micro- and nano-electromechanical systems represent rather broad and diverse technological areas, such as optical systems (micromirrors, waveguides, optical sensors, integrated subsystems), life sciences and lab equipment (micropumps, membranes, lab-on-chip, membranes, microfluidics), sensors (bio-sensors, chemical sensors, gas-phase sensors, sensors integrated with electronics) and RF applications for signal transmission (variable capacitors, tunable filters and antennas, switches, resonators). From a scientific viewpoint, this is a very multi-disciplinary field, including micro- and nano-mechanics (such as stresses in structural materials), electronic effects (e. g. charge transfer), general electrostatics, materials science, surface chemistry, interface science, (nano)tribology, and optics. It is obvious that in order to overcome the problems surrounding next-generation MEMS/NEMS devices and applications it is necessary to tackle them from different angles: theoreticians need to speak with mechanical engineers, and device engineers and modelers to listen to surface physicists. It was therefore one of the main objectives of the workshop to bring together a multidisciplinary team of distinguished researchers.