This might be the first book that deals mostly with the 3D technology computer-aided design (TCAD) simulations of major state-of-the-art stress- and strain-engineered advanced semiconductor devices: MOSFETs, BJTs, HBTs, nonclassical MOS devices, finFETs, silicon-germanium hetero-FETs, solar cells, power devices, and memory devices. The book focuses on how to set up 3D TCAD simulation tools, from mask layout to process and device simulation, including design for manufacturing (DFM), and from device modeling to SPICE parameter extraction. The book also offers an innovative and new approach to teaching the fundamentals of semiconductor process and device design using advanced TCAD simulations of various semiconductor structures. The simulation examples chosen are from the most popular devices in use today and provide useful technology and device physics insights. To extend the role of TCAD in today’s advanced technology era, process compact modeling and DFM issues have been included for design–technology interface generation. Unique in approach, this book provides an integrated view of silicon technology and beyond—with emphasis on TCAD simulations. It is the first book to provide a web-based online laboratory for semiconductor device characterization and SPICE parameter extraction. It describes not only the manufacturing practice associated with the technologies used but also the underlying scientific basis for those technologies. Written from an engineering standpoint, this book provides the process design and simulation background needed to understand new and future technology development, process modeling, and design of nanoscale transistors. The book also advances the understanding and knowledge of modern IC design via TCAD, improves the quality in micro- and nanoelectronics R&D, and supports the training of semiconductor specialists. It is intended as a textbook or reference for graduate students in the field of semiconductor fabrication and as a reference for engineers involved in VLSI technology development who have to solve device and process problems. CAD specialists will also find this book useful since it discusses the organization of the simulation system, in addition to presenting many case studies where the user applies TCAD tools in different situations.

Broad coverage of digital product creation, from design to manufacture and process optimization This book addresses the need to provide up-to-date coverage of current CAD/CAM usage and implementation. It covers, in one source, the entire design-to-manufacture process, reflecting the industry trend to further integrate CAD and CAM into a single, unified process. It also updates the computer aided design theory and methods in modern manufacturing systems and examines the most advanced computer-aided tools used in digital manufacturing. Computer Aided Design and Manufacturing consists of three parts. The first part on Computer Aided Design (CAD) offers the chapters on Geometric Modelling; Knowledge Based Engineering; Platforming Technology; Reverse Engineering; and Motion Simulation. The second part on Computer Aided Manufacturing (CAM) covers Group Technology and Cellular Manufacturing; Computer Aided Fixture Design; Computer Aided Manufacturing; Simulation of Manufacturing Processes; and Computer Aided Design of Tools, Dies and Molds (TDM). The final part includes the chapters on Digital Manufacturing; Additive Manufacturing; and Design for Sustainability. The book is also featured for being uniquely structured to classify and align engineering disciplines and computer aided technologies from the perspective of the design needs in whole product life cycles, utilizing a comprehensive Solidworks package (add-ins, toolbox, and library) to showcase the most critical functionalities of modern computer aided tools, and presenting real-world design projects and case studies so that readers can gain CAD and CAM problem-solving skills upon the CAD/CAM theory. Computer Aided Design and Manufacturing is an ideal textbook for undergraduate and graduate students in mechanical engineering, manufacturing engineering, and industrial engineering. It can also be used as a technical reference for researchers and engineers in mechanical and manufacturing engineering or computer-aided technologies.

Responding to recent developments and a growing VLSI circuit manufacturing market, Technology Computer Aided Design: Simulation for VLSI MOSFET examines advanced MOSFET processes and devices through TCAD numerical simulations. The book provides a balanced summary of TCAD and MOSFET basic concepts, equations, physics, and new technologies related to TCAD and MOSFET. A firm grasp of these concepts allows for the design of better models, thus streamlining the design process, saving time and money. This book places emphasis on the importance of modeling and simulations of VLSI MOS transistors and TCAD software. Providing background concepts involved in the TCAD simulation of MOSFET devices, it presents concepts in a simplified manner, frequently using comparisons to everyday-life experiences. The book then explains concepts in depth, with required mathematics and program code. This book also details the classical semiconductor physics for understanding the principle of operations for VLSI MOS transistors, illustrates recent developments in the area of MOSFET and other electronic devices, and analyzes the evolution of the role of modeling and simulation of MOSFET. It also provides exposure to the two most commercially popular TCAD simulation tools Silvaco and Sentaurus. • Emphasizes the need for TCAD simulation to be included within VLSI design flow for nano-scale integrated circuits • Introduces the advantages of TCAD simulations for device and process technology characterization • Presents the fundamental physics and mathematics incorporated in the TCAD tools • Includes popular commercial TCAD simulation tools (Silvaco and Sentaurus) • Provides characterization of performances of VLSI MOSFETs through TCAD tools • Offers familiarization to compact modeling for VLSI circuit simulation R&D cost and time for electronic product development is drastically reduced by taking advantage of TCAD tools, making it indispensable for modern VLSI device technologies. They provide a means to characterize the MOS transistors and improve the VLSI circuit simulation procedure. The comprehensive information and systematic approach to design, characterization, fabrication, and computation of VLSI MOS transistor through TCAD tools presented in this book provides a thorough foundation for the development of models that simplify the design verification process and make it cost effective.

Computer aided design is at the forefront of the patternmaking business today. Computer Aided Design Using Gerber Technology provides clear, step-by-step instructions for AccuMark Explorer, Silhouette/Pattern Design System, and Marker Makingssary to aid the designer in the creation of a garment from conception to output. This text is appropriate for new students as well as design professionals who need a technological refresher course.

Optimize Designs in Less Time An essential element of equipment and system design, computer aided design (CAD) is commonly used to simulate potential engineering problems in order to help gauge the magnitude of their effects. Useful for producing 3D models or drawings with the selection of predefined objects, Computer Aided Design: A Conceptual Approach directs readers on how to effectively use CAD to enhance the process and produce faster designs with greater accuracy. Learn CAD Quickly and Efficiently This handy guide provides practical examples based on different CAD systems, and incorporates automation, mechanism, and customization guidelines, as well as other outputs of CAD in the design process. It explains the mathematical tools used in related operations and covers general topics relevant to any CAD program. Comprised of 12 chapters, this instructional reference addresses: Automation concepts and examples Mechanism design concepts Tie reduction through customization Practical industrial component and system design Reduce Time by Effectively Using CAD Computer Aided Design: A Conceptual Approach concentrates on concept generation, functions as a tutorial for learning any CAD software, and was written with mechanical engineering professionals and post-graduate engineering students in mind.

129 3.6 Exercises 130 3.7 References. 131 4 PN Junctions 131 4.1 Introduction. 132 4.2 Carrier Densities: Equilibrium Case 4.3 Non-Equilibrium .......... . 139 4.4 Carrier Transport and Conservation 144 4.5 The pn Junction - Equilibrium Conditions. 147 155 4.6 The pn Junction - Non-equilibrium. 4.7 SEDAN Analysis . . . . . . . . . . . . . 166 4.7.1 Heavy Doping Effects ..... . 176 4.7.2 Analysis of High-Level Injection 181 190 4.7.3 Technology-Dependent Device Effects 4.8 Summary 193 4.9 Exercises 193 194 4.10 References. 5 MOS Structures 197 5.1 Introduction ............. . 197 5.2 The MOS Capacitor ........ . 198 5.3 Basic MOSFET I-V Characteristics. 208 5.4 Threshold Voltage in Nonuniform Substrate 217 5.5 MOS Device Design by Simulation . . . . . 224 5.5.1 Body-bias Sensitivity of Threshold Voltage 225 5.5.2 Two-region Model . . . . . . . . 231 5.5.3 MOSFET Design by Simulation. 234 5.6 Summary 240 5.7 Exercises 240 5.8 References. 242 6 Bipolar Transistors 243 6.1 Introduction ... 243 6.2 Lateral pnp Transistor Operation 245 6.3 Transport Current Analysis ... 252 6.4 Generalized Charge Storage Model 260 6.,1) Transistor Equivalent Circuits. 267 6.5.1 Charge Control Model ...

Recent years have seen major changes in the approach to Computer Aided Design (CAD) in the architectural, engineering and construction (AEC) sector. CAD is increasingly becoming a standard design tool, facilitating lower development costs and a reduced design cycle. Not only does it allow a designer to model designs in two and three dimensions but also to model other dimensions, such as time and cost into designs. Computer Aided Design Guide for Architecture, Engineering and Construction provides an in-depth explanation of all the common CAD terms and tools used in the AEC sector. It describes each approach to CAD with detailed analysis and practical examples. Analysis is provided of the strength and weaknesses of each application for all members of the project team, followed by review questions and further tasks. Coverage includes: 2D CAD 3D CAD 4D CAD nD modelling Building Information Modelling parametric design, virtual reality and other areas of future expansion. With practical examples and step-by step guides, this book is essential reading for students of design and construction, from undergraduate level onwards.