Invention Grant
US08827415B2 Testing of nozzles used in printing systems 有权
打印系统中使用的喷嘴测试

Testing of nozzles used in printing systems
Abstract:
A method for testing a nozzle in a nozzle plate includes jetting gas through the nozzle and forming one or more light-intensity representations of a gas stream jetted from the nozzle using at least one stationary schlieren optical system. One or more images can be captured of the one or more light-intensity representations of the gas stream jetted from the nozzle. Alternatively, respective light-intensity representations of the gas stream jetted from the nozzle can be projected onto a screen.
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