The Power Durability of 900 MHz Band Double-Mode-Type Surface Acoustic Wave Filters and Improvement in Power Durability of Al–Cu Thin Film Electrodes by Cu Atom Segregation
Autor: | Katsuo Sato, Noritoshi Kimura, Michiyuki Nakazawa, Masahiro Nakano |
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Rok vydání: | 1997 |
Předmět: | |
Zdroj: | Japanese Journal of Applied Physics. 36:3101 |
ISSN: | 1347-4065 0021-4922 |
DOI: | 10.1143/jjap.36.3101 |
Popis: | The power durability of double-mode-type surface acoustic wave filters, which have recently seen wide use in cellular phones, is investigated. It was found that the lifetime of double-mode-type surface acoustic wave filters is reduced considerably when high input power is applied, due to non-linear behavior. Moreover, the authors demonstrate that the power durability of an Al–Cu thin film electrode is greatly improved by Cu atom segregation in the grain boundaries. |
Databáze: | OpenAIRE |
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