Ink jet head, ink jet head cartridge, and ink jet apparatus, comprising ink delivery system

摘要

An ink jet recording head includes ink passages in fluid communication with ink ejection outlets; a liquid chamber for supplying liquid to the ink passages; a recording element substrate having a plurality of recording elements for generating energy for ejecting the ink; a driving element substrate driving element substrate having a driving element for selectively driving the recording elements; urging means for urging the recording element substrate and the driving element substrate to each other to press-contact them so as to electrically connect them with each other; wherein the urging means is provided with an ink supply mechanism for fluid communication with the liquid chamber.