| 摘要 |
PURPOSE:To form an electrode film of one face of an element and a lead electrode by one process and to obtain the vibrator where a broken part hardly takes place between both the electrode films by forming a lead electric film forming face formed through the cutting of a boundary of both sides between one face of the element and a side face adjacent to the one side. CONSTITUTION:Electrode films 3, 4 are formed on both front and rear faces opposite to each other of a flat cylindrical ceramic piezoelectric element 2 of the vibrator 1. Then the lead electrode film forming face 2c is formed by cutting the cornered boundary of both faces 2a, 2b as a tilted line shape between one side of the piezoelectric element 2 opposite to the diaphragm, that is, the rear face 2a and the outer side face 2b adjacent to the rear face 2a. For example, in the screen printing means where a squeegee is moved to apply conductive paste, when the electrode film and lead electrode film are formed, both the electrode films are formed simultaneously by moving the squeegee in one direction, resulting that the electrode film of one side of the element and the lead electrode film are formed by one process.
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