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Production manner of the piezoelectric thin film resonator, the piezoelectric thin film resonator, the frequency filter, production manner of the generator, in the upper part of the generator, the electronic circuit,
Production manner of the piezoelectric thin film resonator, the piezoelectric thin film resonator, the frequency filter, production manner of the generator, in the upper part of the generator, the electronic circuit,
To provide a method for manufacturing a piezoelectric thin film resonator with excellent characteristics. A method for manufacturing a piezoelectric thin film resonator in accordance with the present invention includes a step of forming a laminated body by successively laminating, above a first substrate, a piezoelectric thin film and a first electrode, a step of bonding a second substrate and the laminated body, a step of separating the first substrate from the laminated body, a step of forming a second electrode above the piezoelectric thin film, and a step of patterning the second electrode, the piezoelectric thin film and the first electrode.
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