This feature of the present invention comprises a method and apparatus to retard the spark time. Those assemblies using \u201cwet\u201d quick-cure epoxies for die attachment may be tested prior to the epoxy being cured by pressing the integrated circuit dice against interconnection points on the substrate for electrical connection, while those assemblies using \u201cdry\u201d epoxies may be cured prior to testing. The device is arranged between the base station and the section which is subject to time delay in the communications channel. , cancer, in a subject by administering to the subject a therapeutically effective amount of one or more of the angiogenesis inhibitor compounds of the invention. The resulting package has four upper heat sinks 44.