Patent ID: 9724912
Date: 2017-08-08
CPC Classifications: B23K,B41J

Claim:
1. A droplet generator for a continuous stream ink jet printhead, comprising: an elongate cavity for containing ink; nozzle orifices in fluid communication with the cavity for passing the ink from the cavity as jets, the nozzle orifices forming a line of nozzle orifices, the line extending along a length of the cavity; a mounting plate providing a wall of the cavity opposite the nozzle orifices; a plurality of actuators disposed in the cavity to vibrate the ink in the cavity such that each jet breaks up into ink droplets at substantially a same predetermined distance from the wall, wherein each actuator of the plurality of actuators is discrete from other actuators, and a plurality of membranes, each being discrete from other membranes, and wherein each membrane is less than 500 microns thick.