A substrate for liquid jet recording head comprises a supporting member with an oxidized film on its surface, exothermic resistive members arranged on the supporting member, and wirings electrically connected to the exothermic resistive members. For the substrate, it is arranged that the...http://www.google.de/patents/US5820919?utm_source=gb-gplus-sharePatent US5820919 - Method of manufacturing a liquid jet recording head
