An X-ray inspection system and methodology is disclosed. The system comprises a conveyor, an X-ray source that exposes an item under inspection to X-ray radiation and at least one X-ray detector that detects X-ray radiation modified by the item. The X-ray source and X-ray detector may be movable in any...http://www.google.co.uk/patents/US6856667?utm_source=gb-gplus-sharePatent US6856667 - X-ray inspection system