초록 ▼

In a liquid injection recording apparatus having discharge ports for discharging liquid and forming flying droplets, liquid flow paths communicating with the discharge ports, and energy generating means generating energy for causing the liquid to be discharged from the discharge ports, when the shor

In a liquid injection recording apparatus having discharge ports for discharging liquid and forming flying droplets, liquid flow paths communicating with the discharge ports, and energy generating means generating energy for causing the liquid to be discharged from the discharge ports, when the shortest length from the center line of the discharge ports to the central position of the energy acting surface of the energy generating means is a and the length from the center line of the discharge ports to the bottom surface of the liquid flow paths just beneath the center of the discharge ports is b, the value of a/b is 50 or less.

대표청구항 ▼

A liquid injection recording apparatus having a discharge port for discharging liquid and forming flying droplets, a liquid flow path communicating with said discharge port for supplying liquid thereto from a liquid supply side, and energy generating means having an energy acting surface in said liq

A liquid injection recording apparatus having a discharge port for discharging liquid and forming flying droplets, a liquid flow path communicating with said discharge port for supplying liquid thereto from a liquid supply side, and energy generating means having an energy acting surface in said liquid flow path for causing liquid to be discharged from said discharge port, wherein: the shortest distance from the center line of said discharge port to the central position of said energy acting surface is a, the distance from the intersection of the center line of said discharge port and the outer surface thereof to the intersection of the bottom surface of said liquid flow path and the center line of said discharge port is b, the center position of said energy acting surface is offset from the center line of said discharge port toward the liquid supply side, and the value of a/b is 50 or less.