A printing head is provided in which a distance between an ejection port face of the printing head and a print medium is reduced to improve an ink ejection accuracy during a printing operation. The printing head of the present invention is a back shooting-type printing head. The heater and an electrode...http://www.google.com.au/patents/US20080309731?utm_source=gb-gplus-sharePatent US20080309731 - INK JET PRINTING HEAD
