US Patent Application 18227333. ACOUSTIC WAVE DEVICE simplified abstract
Contents
ACOUSTIC WAVE DEVICE
Organization Name
Murata Manufacturing Co., Ltd.
Inventor(s)
Yasumasa Taniguchi of Nagaokakyo-shi (JP)
Hideki Iwamoto of Nagaokakyo-shi (JP)
Hiromu Okunaga of Nagaokakyo-shi (JP)
ACOUSTIC WAVE DEVICE - A simplified explanation of the abstract
This abstract first appeared for US patent application 18227333 titled 'ACOUSTIC WAVE DEVICE
Simplified Explanation
The patent application describes an acoustic wave device that includes a support substrate and a piezoelectric layer.
- The device has a first IDT electrode on one side and a second IDT electrode on the other side.
- The second IDT electrode is embedded in the support.
- The support has at least one cavity around the area where the electrode fingers of the second IDT electrode are embedded.
Original Abstract Submitted
An acoustic wave device includes a support including a support substrate, a piezoelectric layer provided on the support and including a first principal surface and a second principal surface facing each other, a first IDT electrode provided on the first principal surface, and a second IDT electrode provided on the second principal surface. The second IDT electrode is embedded in the support. At least one cavity is provided in a periphery of a portion of the support in which electrode fingers of the second IDT electrode is embedded.