A method of making a printhead includes forming a channel member by providing a mold having a top portion having peaks and valleys and by tape casting a slurry of piezoelectric material into the mold and onto the peaks and valleys of the top portion of the mold to form a tape cast member having a bottom...http://www.google.de/patents/US6161270?utm_source=gb-gplus-sharePatent US6161270 - Making printheads using tapecasting