Kuniyuki Matsui
Sanyo
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Publication
Featured researches published by Kuniyuki Matsui.
Japanese Journal of Applied Physics | 1996
Yasumi Kobayashi; Naoki Tanaka; Kuniyuki Matsui; Hiroshi Okano; Tatsuro Usuki; Kenichi Shibata
The propagation characteristics of a new high-phase-velocity leaky surface acoustic wave (SAW) mode, which is called the second leaky mode, in a periodic structure on LiTaO 3 (90°, 90°, 31°) are analyzed experimentally. The propagation loss is the lowest when the KH (K=wave number, H=Al electrode thickness) parameter is about 0.5. The higher mode of the second leaky mode is excited when the KH parameter is larger than 0.7. A ladder type band-pass SAW filter utilizing the second leaky mode on LiTaO 3 was designed and fabricated by applying the analysis results to the periodical structure. The pitch of the electrode fingers is 0.8 μm. The center frequency of the pass band is 1.938 GHz. The minimum insertion loss is 3.3dB. The attenuation at the center frequency ±100 MHz is 25dB. The measured characteristics of this filter can be sufficient for practical mobile communication systems.
Archive | 1996
Kuniyuki Matsui; Yasuhiro Hirao; Yasumi Kobayashi; Kousuke Takeuchi; Kenichi Shibata
Archive | 1994
Yasumi Kobayashi; Kuniyuki Matsui; Yasuhiro Hirao; Kousuke Takeuchi; Hiroshi Kayaki; Yusuke Takahashi; Toshiharu Tanaka; Isao Kiyose; Kenichi Shibata
Archive | 1996
Yasumi Kobayashi; Kuniyuki Matsui; Yasuhiro Hirao; Kousuke Takeuchi; Hiroshi Kayaki; Yusuke Takahashi; Toshiharu Tanaka; Isao Kiyose; Kenichi Shibata
Archive | 1997
Yasumi Kobayashi; Kuniyuki Matsui; Naoki Tanaka; Hiroshi Okano; Tatsuro Usuki; Kenichi Shibata
Archive | 1997
Yasumi Kobayashi; Kuniyuki Matsui; Yasuhiro Hirao; Kousuke Takeuchi; Kenichi Shibata
Archive | 1996
Kuniyuki Matsui; Yasuhiro Hirao; Yasumi Kobayashi; Kosuke Takeuchi; Kenichi Shibata; Yusuke Takahashi; Tateo Kondo; Yasutaka Shimizu
Archive | 1995
Hiroshi Kashiwagi; Isao Kiyose; Kuniyuki Matsui; Kenichi Shibata; Hirosuke Takahashi; Kosuke Takeuchi; Toshiharu Tanaka; 邦行 松井; 賢一 柴田; 宏 栢木; 功 清瀬; 敏晴 田中; 孝介 竹内; 裕輔 高橋
Archive | 1994
Yasumi Kobayasi; Kuniyuki Matsui; Yasuhiro Hirao; Kousuke Takeuchi; Kenichi Shibata
Archive | 1998
Kuniyuki Matsui; Yasuhiro Hirao; Yasumi Kobayashi; Kousuke Takeuchi; Kenichi Shibata