Holding structure of piezoelectric vibrator and manufacturing method therefor.
摘要
<p>Protrusions made of an electrically conductive material such as a metal or ceramic are formed around a node point or a node line of vibrations of a piezoelectric plate on two principal planes thereof with a spraying process. The piezoelectric plate is held at the protrusions with leaf springs on the two principal planes. Thus, the protrusions of a small surface area are formed without deteriorating the piezoelectric plate. The piezoelectric plate can be held stably without deteriorating vibration characteristics. An alternating voltage is applied to electrodes of the piezoelectric plate through the electrically conductive protrusions. Because a spraying process is used, the protrusions can be formed thickly in a small area precisely and it held surely and reliably with good mechanical strength of the protrusions. <IMAGE></p>
