An electrospray device, a liquid chromatography device and an electrosprayliquid chromatography system are disclosed. The electrospray device comprises a substrate defining a channel between an entrance orifice on an injection surface and an exit orifice on an ejection surface, a nozzle defined by a...http://www.google.ca/patents/US6394942?utm_source=gb-gplus-sharePatent US6394942 - Integrated monolithic microfabricated electrospray and liquid chromatography system and method
