To provide a liquid discharge substrate, a recording head and a recorder for protecting a penetration electrode provided with a liquid discharge substrate from outer environment and simultaneously eliminating a harmful effect associated with it.
The liquid discharge substrate is provided comprising a substrate body 2, an energy generation means for generating energy for discharging a liquid, a nozzle structure 3 including a liquid discharge port 4 for discharging a liquid, a rear electrode 9, a penetration electrode 11 for penetrating the substrate body 2 and providing continuity between the rear electrode 9 and the energy generation means, wherein a portion of the penetration electrode 11 exposed on a surface side of the substrate body 2 is covered by an adhesive layer 7 that is a part of the nozzle structure 3.
Ishibashi Masayuki
Shinichi Iwata
Masaaki Ogata