A heater chip for use in a printing device that includes a first heater array with a left side and a right side and a first ink via placed on the left side of the first heater array. The chip also includes a second heater array with a left side and a right side, where a right side of the first heater...http://www.google.de/patents/US7559629?utm_source=gb-gplus-sharePatent US7559629 - Methods and apparatuses for implementing multi-via heater chips
