Patent ID: 6305792
Filing Date: 2001-10-23
Classification: B41J

Abstract:
An ink jet recording head comprising:a nozzle plate having a front surface formed with a plurality (n) of nozzles;an ink chamber plate arranged substantially in parallel to a rear surface of said nozzle plate;an outer partition wall arranged between said nozzle plate and said ink chamber plate to define an ink pool between said nozzle plate and said ink chamber plate;a plurality of discrete partition walls arranged between said nozzle plate and said ink chamber plate and within said outer partition wall, each discrete partition wall associated with one of said nozzles and defining a discrete space communicating with the one of said nozzles;an ink supply port formed in each of said discrete partition walls to supply ink from said ink pool to said discrete space defined thereby, said discrete partition walls separated from each other by said ink pool; andpressure generation means for separately pressurizing ink supplied from said ink pool through said ink supply ports to said discrete spaces.