By James J. Licari
This primary publication within the fabrics and methods for Electronics purposes sequence solutions questions important to the winning layout and production of digital parts, modules, and platforms reminiscent of: - How can one guard digital assemblies from lengthy excessive humidity, excessive temperatures, salt spray or different terrestrial and house environments? - What coating varieties can be utilized to guard microelectronics in army, house, automobile, or scientific environments? - How can the chemistry of polymers be correlated to fascinating actual and electric homes? - How can a layout engineer keep away from next strength mess ups as a result of corrosion, steel migration, electric degradation, outgassing? - What are the simplest methods that production can use to masks, fresh, arrange the skin, dispense the coating, and healing the coating? - What caliber insurance and in-process exams can be utilized to guarantee reliability? - What executive or requisites can be found? - How can natural coatings be chosen to fulfill OSHA, EPA, and different rules? in addition to a dialogue of the conventional roles of coatings for moisture and environmental defense of published circuit assemblies, this booklet covers dielectric coatings that supply electric features corresponding to the low-dielectric-constant dielectrics used to manufacture multilayer interconnect substrates and high-frequency, high-speed circuits. fabrics engineers and chemists will profit vastly from a bankruptcy at the chemistry and houses of the most sorts of polymer coatings together with: Epoxies, Polyimides, Silicones, Polyurethanes, Parylene, Benzocyclobenzene and so forth. For production team of workers, there's a complete bankruptcy of over a dozen tactics for overlaying, cleansing, and floor education and a accomplished overview of over 20 procedures for the applying and curing of coatings together with fresh extrusion, meniscus, and curtain coating tools utilized in processing huge panels. the professionals and cons of every strategy are given to help the engineer in opting for the optimal procedure for his/her software. As an advantage, from his personal event, the writer discusses a few caveats that might support decrease expenditures and steer clear of disasters. ultimately, the writer discusses laws of OSHA, EPA, and different govt businesses that have ended in formula alterations to fulfill VOC and toxicity necessities. Tables of various army, advertisement, undefined, and NASA requirements are given to aid the engineer choose the correct callout.