{TAIL ~ An inkjet printer head} includes a semiconductor wafer having a nozzle portion for ejecting ink, an ink cartridge for supplying ink to the nozzle portion, and an ink ejection unit interposed between the ink cartridge and {HEAD ~ the semiconductor wafer} 
{ TAIL ~ An inkjet printer head } includes a semiconductor wafer having a nozzle portion for ejecting ink , an ink cartridge for supplying ink to the nozzle portion , and an ink ejection unit interposed between the ink cartridge and { HEAD ~ the semiconductor wafer }
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