A liquid jet recording head comprises a substrate comprising a support, a resistive heater layer, electrodes electrically connected with the resistive heater layer, a portion of the resistive heater layer located between the electrodes being an electrothermal transducer, and an upper layer comprising...http://www.google.com.au/patents/US5455612?utm_source=gb-gplus-sharePatent US5455612 - Liquid jet recording head
