Patent ID: 6149265
Filing Date: 2000-11-21
Classification: B41J

Abstract:
A recording element unit having a substrate, said substrate comprising:plural heat generating resistance members having ends;individual wirings each of which is connected to an end of a respective one said heat generating resistance members;a common wiring connected in common to another end of each of said heat generating resistance members; anda return wiring connected to said common wiring and provided along said individual wirings,wherein a center line of at least one of said heat generating resistance members provided near said return wiring is shifted toward said return wiring, with respect to a center line of the individual wiring connected to said heat generating resistance member, and wherein the center lines of those ones of the heat generating resistance members which are located closer to said return wiring are shifted by greater amounts than center lines of heat generating resistance members which are not located as close to said return wirings.