Patent ID: 9656278
Date: 2017-05-23
CPC Classifications: B05B,G03F,Y10S

Claim:
1. A jet spray nozzle for cleaning a photolithographic mask or semiconductor wafer comprising: a liquid supply inlet configured to introduce a liquid; a gas supply inlet configured to introduce a gas; a first plurality of gas injection nozzles communicating with the gas supply inlet; the first plurality of gas injection nozzles arranged in a circular ring of spaced apart nozzles around an axial centerline of the jet spray nozzle; a second plurality of gas injection nozzles communicating with the gas supply inlet, the second plurality of gas injection nozzles arranged in an additional circular ring of spaced apart nozzles around the axial centerline of the jet spray nozzle, wherein the first and the second plurality of gas injection nozzles are concentrically arranged around the axial centerline of the jet spray nozzle; and a jet spray nozzle outlet; wherein the jet spray nozzle is configured to combine the gas and the liquid to deliver a gas-liquid jet spray stream from the nozzle outlet.