Patent ID: 6132031
Filing Date: 2000-10-17
Classification: B41J

Abstract:
An ink-jet head having a plurality of printing elements each having two ends, and respectively corresponding to a plurality of ink ejection openings capable of ejecting ink droplets through said ink ejection openings by selectively inputting a drive signal to the ends of said printing elements, characterized in that:an individual wiring individually connected to one of the ends of respective said printing elements and a common wiring commonly connected to an other end of respective said printing elements are formed in a single layer on a substrate;a plurality of electrodes respectively connected to said individual wiring and said common wiring are provided on said substrate;said electrode connected to said common wiring and said electrodes connected to said individual wiring each form a connecting portion to be connected to a driving circuit substrate for inputting of said drive signal; andsaid connecting portion of said electrode connected to said common wiring is located at a closer position to said printing elements than said connecting portions of said electrodes connected to said individual wiring.