A packaging system includes a medium which transports energy in a first form away from a radiation point in a device to where the energy can be converted to a second form without damaging the device or effecting other devices. In certain embodiments, the medium can inhibit the propagation of energy in...http://www.google.com.au/patents/US6597853?utm_source=gb-gplus-sharePatent US6597853 - Device packaging and method
