Workman Nydegger
Piezoelectric element module, ultrasonic transducer, ultrasonic device, liquid ejecting head, liquid ejecting apparatus, and piezoelectric element module manufacturing method
A first piezoelectric element having a first piezoelectric layer and a second piezoelectric element having a second piezoelectric layer, which is different from the first piezoelectric layer, are included on the same substrate. The first piezoelectric layer has a d constant greater than a d constant of the second piezoelectric layer.
Seiko Epson Corporation
B B B B H B B B B B B B B
B41J B41J B41J B41J H01L B41J B41J B06B B41J B41J B41J B41J B41J
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Tsutomu Tomokazu
Nishiwaki Kobayashi