Physical vapor deposition of radiopaque markings onto a graft is described. A graft is placed into a chamber, and a radiopaque material is vaporized and then deposited onto the graft. The chamber is kept at a temperature below the damage threshold of the graft material. A template optionally placed on...http://www.google.com/patents/US6649030?utm_source=gb-gplus-sharePatent US6649030 - Physical vapor deposition of radiopaque markings on a graft
