Patent Number: 7,824,014

Title: Head substrate, printhead, head cartridge, and printing apparatus

Abstract: The purpose of this invention is to provide a head substrate capable of increasing layout efficiency. To achieve this purpose, an ink supply channel is arranged, and a plurality of printing element arrays are arranged on at least one side of the ink supply channel, and a plurality of driving element arrays are arranged adjacent to the plurality of printing element arrays. A plurality of power supply pads and a plurality of ground pads are arranged in areas between the plurality of driving element arrays.

Inventors: Furukawa; Tatsuo (Zama, JP), Hirayama; Nobuyuki (Fujisawa, JP)

Assignee: Canon Kabushiki Kaisha

International Classification: B41J 2/14 (20060101); B41J 2/16 (20060101)

Expiration Date: 2019-11-02 0:00:00