Patent 7367651 was granted and assigned to Samsung on May, 2008 by the United States Patent and Trademark Office.
An inkjet printing head is disclosed. The inkjet printing head comprises a nozzle unit having a length in the main scanning direction corresponds to a paper width, the nozzle unit comprising a plurality of nozzle sections split in a main scanning direction, one or more of the plurality of nozzle sections are arranged forward in a secondary direction, and a first depression depressed behind the one or more forward-arranged nozzle sections.