The present invention provides an MRAM cell which minimizes the occurrence of electrical shorts during fabrication. A first conductor is provided in a trench in an insulating layer and an upper surface of the insulating layer and the first conductor is planarized. A first dielectric layer is deposited...http://www.google.de/patents/US7285811?utm_source=gb-gplus-sharePatent US7285811 - MRAM device for preventing electrical shorts during fabrication
