Patent ID: 7850267
Filing Date: 2010-12-14
Classification: B41J,Y10T

Abstract:
1. A function liquid droplet ejection apparatus which selectively ejects function liquid droplets while performing a relative movement between a workpiece and a function liquid droplet ejection head into which a function liquid is introduced, the apparatus comprising: the function liquid droplet ejection head having disposed therein a plurality of nozzle arrays with a different function liquid droplet ejection amount per unit nozzle; and control means for controlling drive of the plurality of nozzle arrays by using a single drive signal, the drive signal having, in one print cycle, waveforms which are inputted in a manner different from one another in accordance with specifications of each of the nozzle arrays, wherein all the nozzles of the nozzle array use the same waveform, and a waveform which is inputted in a manner common to each of the nozzle arrays.