A print head in an ink printing apparatus, with a conductor path structure comprising
- first conductor path sections each having at one end connected to a respective connector current feed terminal and to be connected at a second end to heating elements of an ink jet print head, and having defined distance spacings between the conductor paths of the first conductor path sections for furnishing electric current to heaters of an ink jet print head, and wherein the widths of the conductor paths and the distance spacings between the conductor paths of two neighboring conductor paths are substantially constant;
- a transition conductor path region including transition path sections extending longitudinally perpendicular to the direction of the first conductor path sections and connected with a first end to a second end at the first conductor path sections and having a second end and having a defined width and having defined mutual distance spacings;
- a second conductor path region including second conductor path sections running parallel to the first conductor path sections and connected on a first end to the second end at the transition conductor path sections, and connected on a second end to the heating elements for printers and spaced closer as compared to the first conductor path sections such as to match a spacing of the heating elements for the ink printer, wherein the conductor paths in the transition conductor path region are dimensioned such as to furnish a uniform resistance for all conductor paths running from the current feed terminals to the heating elements based on a defined conductor path width and on a defined distance spacing between the conductor paths sections in the transition conductor path region
- wherein the conductor path width is designated as d.sub.b in a region of the conductor paths connected to the connector terminals, designated as d.sub.v in a region of the transition conductor paths, and wherein the width of the conductor paths is designated as d.sub.a in a region connected to the heating elements, wherein the distance spacings between the conductor paths, connected to the connector terminals, is designated as s.sub.b, wherein the distance spacings between the conductor paths in the region of the transition conductor paths is designated as s.sub.v, and wherein the distance spacings between conductor paths connected to the heating elements is designated as s.sub.a and wherein the abbreviation c designates the following expression
- c=d.sub.b .multidot.d.sub.a .multidot.(d.sub.b +s.sub.b -d.sub.a -s.sub.a)/(d.sub.b -d.sub.a)
- and wherein the following relation holds for the width of the conductor paths of the region of the transition conductor paths ##EQU6## and wherein the conductor paths in the region of the transition conductor paths do not deviate more than 20% from the above formulas.