In an embodiment, a phase change non-volatile memory includes a number of memory cells. The memory cells include a phase change material which may transition between two memory states. The phase change material has different electrical properties in different states. The memory cells may be electrically...http://www.google.de/patents/US7254056?utm_source=gb-gplus-sharePatent US7254056 - Apparatus for optically pre-programming electrically-programmable phase-change memory devices
