Acoustic wave device, filter, and duplexer
Acoustic wave device includes: a piezoelectric substrate; a first IDT located on the piezoelectric substrate; and a second IDT located on the piezoelectric substrate and connected in series to the first IDT, wherein the first IDT and the second IDT share a single common bus bar as a first bus bar of...
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| creator | Kaneda, Yasufumi Ikata, Osamu Takezaki, Tooru Sakinada, Kaoru Tsukidate, Hitoshi Kuroyanagi, Takuma Miura, Michio |
| description | Acoustic wave device includes: a piezoelectric substrate; a first IDT located on the piezoelectric substrate; and a second IDT located on the piezoelectric substrate and connected in series to the first IDT, wherein the first IDT and the second IDT share a single common bus bar as a first bus bar of two bus bars of the first IDT and a first bus bar of two bus bars of the second IDT, and the common bus bar has a width not more than two times a wavelength of an acoustic wave propagating through the first and second IDTs, the common bus bar connects to no dummy electrode finger facing a tip of an electrode finger connected to a second bus bar of the two bus bars of the first IDT and the second IDT across a gap. |
| format | Patent |
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a first IDT located on the piezoelectric substrate; and a second IDT located on the piezoelectric substrate and connected in series to the first IDT, wherein the first IDT and the second IDT share a single common bus bar as a first bus bar of two bus bars of the first IDT and a first bus bar of two bus bars of the second IDT, and the common bus bar has a width not more than two times a wavelength of an acoustic wave propagating through the first and second IDTs, the common bus bar connects to no dummy electrode finger facing a tip of an electrode finger connected to a second bus bar of the two bus bars of the first IDT and the second IDT across a gap.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BASIC ELECTRONIC CIRCUITRY ELECTRICITY IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS |
| title | Acoustic wave device, filter, and duplexer |
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