The present invention provides methods for constructing stacked circuit modules and precursor assemblies with flexible circuitry. Using the methods of the present invention, a single set of flexible circuitry whether articulated as one or two flex circuits may be employed with CSP devices of a variety...http://www.google.es/patents/US7310458?utm_source=gb-gplus-sharePatente US7310458 - Stacked module systems and methods
