ELECTRONICS MANUFACTUIRNG WITH LEAD-FREE, HALOGEN-FREE, AND CONDUCTIVE-ADHESTIVE MATERIALS This comprehensive guide provides cutting edge information on lead-free, halogen-free, and conductive-adhesive technologies and their application to low-cost, high-density, reliable, and green products. Essential for electronics manufacturing and packaging professionals who wish to master lead-free, halogen-free, and conductive-adhesive problem solving methods, and those demanding cost-effective designs and high-yield environmental benign manufacturing processes, this valuable reference covers all aspects of this fast-growing field. Written for design, materials, process, equipment, manufacturing, reliability, component, packaging, and system engineers, and technical and marketing managers in electronics and photonics packaging and interconnection, this book teaches a practical understanding of the cost, design, materials, process, equipment, manufacturing, and reliability issues of lead-free, halogen-free, and conductive-adhesive technologies. Among the topics explored: * Chip (wafer) level interconnects with lead-free solder bumps * Lead-free solder wafer bumping with micro-ball mounting and paste printing methods * Lead-free solder joint reliability of WLCSPs on organic and ceramic substrates * Chip (wafer) level interconnects with solderless bumps such as Ni-Au, Au, and Cu, Cu wires, Au wires, Au studs, and Cu studs * Design, materials, process, and reliability of WLCSPs with solderless interconnects on PCB/substrate * Halogen-free molding compounds for PQFP, PBGA, and MAP-PBGA packages * Environmentally benign die-attach films for PQFP and PBGA packages and lead-free die-attach bonding techniques for IC packaging * Environmental issues for conventional PCBs and substrates * Some environmentally conscious flame-retardants for PCBs and organic substrates * Emerging technologies for fabricating environmental friendly PCBs such as design for environment, green PCB manufacturing, and environmental safety * Lead-free soldering activities such as legislation, consortia programs, and regional preferences on lead-free solder alternatives * Criteria, development approaches, and varieties of alloys and properties of lead-free solders * Physical, mechanical, chemical, electrical, and soldering properties of lead-free solders * Manufacturing process and performance of lead-free surface finishes for both PCB and component applications * Implementation and execution challenges of lead-free soldering, especially for the reflow and wave soldering process * Fundamental understanding of electrically conductive adhesive (ECA) technology * Effects of lubricant removal and cure shrinkage on ECAs * Mechanisms underlying the contact resistance shifts of ECAs * Effects of electrolytes and moisture absorption on contact resistance shifts of ECAs * Stabilization of contact resistance of ECAs using various additives
“Electrical Conductive Adhesives with Nanotechnologies” begins with an overview of electronic packaging and discusses the various adhesives options currently available, including lead-free solder and ECAs (Electrically Conductive Adhesives). The material presented focuses on the three ECA categories specifically, Isotropically Conductive Adhesives (ICAs) Anisotropically Conductive Adhesives/Films (ACA/ACF) and Nonconductive Adhesives/Films (NCA/NCF). Discussing the advantages and limitations of each technique, and how each technique is currently applied. Lastly, a detailed presentation of how nano techniques can be applied to conductive adhesives is discussed, including recent research and development of nano component adhesives/nano component films, their electrical properties, thermal performance, bonding pressure and assembly and reliability.
Nanotechnologies are being applied to the biotechnology area, especially in the area of nano material synthesis. Until recently, there has been little research into how to implement nano/bio materials into the device level. “Nano and Bio Electronics Packaging” discusses how nanofabrication techniques can be used to customize packaging for nano devices with applications to biological and biomedical research and products. Covering such topics as nano bio sensing electronics, bio device packaging, NEMs for Bio Devices and much more.
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