| (84) |
Designated Contracting States: |
|
DE FR |
| (30) |
Priority: |
18.10.1996 JP 29744096 12.12.1996 JP 35229596 12.12.1996 JP 35229696 12.12.1996 JP 35229796
|
| (43) |
Date of publication of application: |
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07.10.1998 Bulletin 1998/41 |
| (73) |
Proprietor: TDK Corporation |
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Chuo-ku,
Tokyo 103-0027 (JP) |
|
| (72) |
Inventors: |
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- INOUE, Kenji
Chuo-ku,
Tokyo 103 (JP)
- SATO, Katsuo
Chuo-ku,
Tokyo 103 (JP)
|
| (74) |
Representative: Sarup, David Alexander et al |
|
Raworth, Moss & Cook,
Raworth House,
36 Sydenham Road Croydon,
Surrey CRO 2EF Croydon,
Surrey CRO 2EF (GB) |
| (56) |
References cited: :
JP-A- 2 290 315 JP-A- 62 040 812 JP-B- 2 007 525
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JP-A- 61 269 410 JP-A- 62 078 904 JP-B- 2 009 485
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S.I. BURKOV, D.A. GLUSHKOV, A.A. KARPOVICH, "Effects of Static Electric Field and
of Mechanical Pressure on Surface Acoustic Waves Propagation in La3Ga5Si014 Piezoelectric
Single Crystals", pages 409-412.
- IEEE ULTRASONICS SYMPOSIUM, No. 1, 1992, J.G. GUALTIERI, J.A. KONINSKI and A. BALLATO,
"Piezoelectric Materials of Saw Application", pages 403-412.
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P.A. SENYUSHENKOV, Yu.V. PISAREVSKY, "Present Stage of La3Ga5SiO14 Research", pages
348-350.
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V.V. BEZDELKIN, V.N. STASSEVICH, "Pecularities of Technology, Physical Properties
and Applications of New Piezoelectric Material Langasite (La3Ga5SiO14)", pages 339-347.
- IEEE INT'L FREQUENCY CONTROL SYMPOSIUM, No. 1, 1994, M.F. DUBOVIK, I.A. ANDREYEV,
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