This study investigates micro channel flow pattern and operating performance of a high speed and high pressure jet homogenizer, developed by MSL/ITRI, which can be used for the dispersion and fragmentation of yellow pigment or zinc oxide nanoparticles in This study investigates micro channel flow pattern and operating performance of a high speed and high pressure jet homogenizer, developed by MSL/ITRI, which can be used for the dispersion and fragmentation of yellow pigment or zinc oxide nanoparticles in