<p>The present invention relates to a piezoelectric actuator capable of minimizing breakage of a bonded part of an external electrode and a substrate and a vibrator including the same. According to an embodiment of the present invention, the piezoelectric actuator includes a ceramic sheet; and a plurality of the external electrodes formed on the ceramic sheet. The external electrode can be formed by a conductive resin including metal powder.</p>
申请公布号
KR20140132944(A)
申请公布日期
2014.11.19
申请号
KR20130052318
申请日期
2013.05.09
申请人
SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人
GU, HYUN HEE;CHUN, BYOUNG JIN;SON, YEON HO;HUR, KANG HEON;JEON, BYUNG JUN