A heater array for an ink jet printhead includes an insulating substrate, which can be a layer of ceramic, flexible plastic, insulated flexible metal, polysilicon, or single crystalline silicon. A first material layer is deposited atop the insulating substrate and patterned in parallel stripes. A first...http://www.google.ca/patents/US5414245?utm_source=gb-gplus-sharePatent US5414245 - Thermal-ink heater array using rectifying material
