An ink-jet printer head is constructed with first electrodes formed on a silicon substrate on which oxidization is performed, and each having a region contacting ink to generate ink bubbles, and a region coated with insulating layers; second electrodes formed on a layer different from the first electrodes'...http://www.google.de/patents/US6270190?utm_source=gb-gplus-sharePatent US6270190 - Ink-jet printer head and ink spraying method for ink-jet printer
