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US 12,376,497 B2Granted
Piezoelectric vibrator and manufacturing method therefor
AssigneeMurata Manufacturing Co., Ltd.
InventorsShigeo Ojima, Masaki Ushiro
Life of this patent
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Abstract
A piezoelectric vibrator having a piezoelectric vibration element that includes a piezoelectric piece and a pair of electrodes that face each other with the piezoelectric piece interposed therebetween; a holder that accommodates the piezoelectric vibration element; a resin layer covering at least one electrode of the pair of electrodes; and a water-repellent layer, which has a lower moisture permeability than the resin layer, between the electrode and the resin layer.
Claims12
A piezoelectric vibrator comprising:
- a piezoelectric vibration element that includes a piezoelectric piece and a pair of electrodes that face each other with the piezoelectric piece interposed therebetween;
- a holder that accommodates the piezoelectric vibration element;
- a resin layer covering at least one electrode of the pair of electrodes;
- and
- a water-repellent layer, which has a lower moisture permeability than the resin layer, between the electrode and the resin layer.
2 more elements
Dependencies are inferred from the claim text.