A fluid dispensing system, including a photon source disposed on a moveable carriage and a fluid ejector array having a plurality of fluid ejection elements disposed on a substrate. Each fluid ejection element includes a fluid ejector, and a photodetector electrically coupled to the fluid ejector. Moving...http://www.google.co.uk/patents/US7410242?utm_source=gb-gplus-sharePatent US7410242 - Photonically activated fluid dispensing system and methods
