公开(公告)号：DE69739387D1

公开(公告)日：2009-06-10

申请号：DE69739387

申请日：1997-10-28

Applicant: PANASONIC CORP

Inventor： TAKAYAMA RYOICHI ,  TAKSHIMA YUJI ,  TANAKA EIICHIRO ,  IKEDA KOJI ,  KAWASAKI OSAMU ,  MIURA MASAYOSHI

IPC: B41J2/14 ,  B41J2/06 ,  B41J2/16

Abstract: The invention relates to an ink jet recording apparatus comprising a pressure chamber (1) for accommodating an ink liquid, a nozzle (2) communicating with this pressure chamber (1) for discharging said ink liquid, and pressure applying means for applying a pressure to said pressure chamber (1), wherein said pressure applying means includes a diaphragm (6) formed in said pressure chamber (1), and a piezoelectric element (5) made of a monocrystalline or polycrystalline piezoelectric member highly oriented along a polarization axis showing perovskite structure, mainly composed of lead zirconate titanate or barium titanate, for vibrating the diaphragm (6), and a specified voltage is applied at least to said piezoelectric element (5) when discharging said ink liquid into a recording medium disposed at the front side of said nozzle (2).