Liquid jet head using the element substrate for liquid ejecting head, liquid ejecting apparatus using the head

摘要

PURPOSE: To prevent the damage to heating resistors due to chipping or a shell crack by setting an arranging pitch shorter than a main normal arranging pitch with respect to the heating resistors in the vicinity of both ends of an arranging direction. ;CONSTITUTION: Heating resistors 11 are arranged on each of element substrates at a predetermined arranging pitch P1. The first segment and final segment on each of the substrates, that is, the emitting heaters at both ends of an emitting heater arranging direction are arranged at an arranging pitch P2 shorter than the arranging pitch P1 and the pitch between the first segments and final segments of the adjacent substrates is set longer than the pitch P1. By this constitution, the element substrates can be cut up to the vicinity of the emitting heaters without damaging the emitting heaters and, even when a plurality of the element substrates are continuously arranged in a row, the arranging interval of the emitting heaters can be made constant as a whole. As a result, the damage to the heating resistors caused by chipping and a shell crack can be prevented.;COPYRIGHT: (C)1996,JPO