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document Will related industries be affected by this reverse order process technology?
Answer: Yes.The technology could eventually have a significant impact. Solder for electronics is a ~ $600 million annual market. This represents ~ 1%...
document This seems like a very large and daunting task. Even if the industry accepts the ideas, won’t it take the industry a long time to adapt to this new way of manufacturing?
There will be many challenges ahead, of course, but the fundamental ideas behind the proposed approach builds on the proven ideas of many different...
document How critical is IC package lead coplanarity?
Answer: Coplanarity is important but it is not a “show stopper. Several lead conditioning options within the technology are available; the...
document Build-up technologies require very high yields at each step. Is the technology mature enough to risk entire assemblies?
Answer: Yes. , used in substrate fabrication and the creation of high density interconnect (HDI) IC packages, is very mature. Moreover, some of...
document Have other solderless possibilities been explored?
 Answer: Yes. For years, with essentially no success. Uni-ax elastomeric connectors showed some niche promise but had difficulties. Conductive...
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document What about connectors and sockets? Can they be added or connected to the assembly if needed?
Answer:  The body of the assembly can serve as a edge card connector if desired. This is much like a standard PCB assembly. On the other hand,...
document There are many different types of lead finishes presently used on components. Can they all be reliably plated to?
Answer: The base metal on most components today is copper and it is possible to remove the finish to expose copper, which can be reliably plated to....
document What can be said about reliability of these assemblies?
Answer: This is an extremely important question. No testing has been done yet, but reliability experts who have seen the concept have very positive...
document Will the assemblies cost more?
Answer:  No. They should become less expensive, because of fewer materials and process steps, less energy shorter supply chains and fewer...
document Are there other possibilities for interconnection of the components beyond those just mentioned?
Answer: Yes. Some of the technologies of earlier years could be resurrected for this technology. For example, stitch wire and resistance welding wire...


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