Patent ID: 8721910

Claim:
A process, comprising: manufacturing a nozzle membrane, the manufacturing including: forming a first sacrificial layer on a substrate; forming holes in the first sacrificial layer by removing first portions of the first sacrificial layer; forming a membrane layer on the first sacrificial layer and in the holes, wherein portions of the membrane layer in the holes form anchorages that fix the membrane to the substrate; forming a plurality of nozzles in the membrane layer; forming a plurality of supply channels in the substrate, each supply channel being substantially aligned in a first direction with a respective nozzle of said plurality of nozzles; putting each supply channel in direct communication with the respective nozzle by removing second portions of the sacrificial layer positioned between each supply channel and each respective nozzle; and forming a plurality of guide channels on opposite sides of the respective nozzles with respect to the respective supply channels, each nozzle being positioned between the respective guide channel and the respective supply channel, each supply channel being configured to supply a fluid to the respective nozzle, each nozzle being configured to output the fluid supplied by the respective supply channel, and each guide channel being configured to guide the fluid output from the respective nozzle.