An implantable medical device assembly that contains magnetic material with a saturation magnetization of at least about 0.15 Tesla and which has a direct current permeability at a static magnetic field value of 1.5 Tesla of at least 1.1. When the magnetic material and is simultaneously subjected to...http://www.google.com.au/patents/US20050149169?utm_source=gb-gplus-sharePatent US20050149169 - Implantable medical device
