发明名称 INK JET HEAD
摘要 PROBLEM TO BE SOLVED: To provide a structure for preventing an ink from entering an electronic activating section in relation to an on-demand type multi-nozzle ink jet head using a piezoelectric element and having a plurality of nozzles integrated in high density. SOLUTION: A part contacting the piezoelectric element is filled with a low elastic polymer resin and a part contacting the external section is covered with a high elastic polymer resin so that two kinds of polymer resins having the different elasticities are used.
申请公布号 JP2002316413(A) 申请公布日期 2002.10.29
申请号 JP20010121944 申请日期 2001.04.20
申请人 HITACHI KOKI CO LTD 发明人 TAKANO YASUO;KONDO NORIMASA;WATANABE KEIJI;NISHIMURA HIROSHI
分类号 B41J2/045;B41J2/055;B41J2/16;(IPC1-7):B41J2/045 主分类号 B41J2/045
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