| 摘要 |
There is disclosed an electric device comprising: an actuator unit which includes a plurality of electrodes formed thereon; a printed wiring board which comprises: an electrically insulating flexible layer which has on one of its opposite sides protrusions for the respective electrodes, each of the protrusions forming a corresponding recess on the other side of the flexible layer; and a plurality of electrically conducting layers disposed on the respective protrusions to be in contact with the respectively corresponding electrodes; and a plurality of bonding parts each of which is in contact with one of the conducting layers and a corresponding one of the electrodes to completely cover a contact portion between the conducting layer and the electrode so as to maintain the contact therebetween.
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