Presentation	1997/2/28 Lame Mode Quartz Crystal Resonators with Zero Temperature Coefficients Hirofumi KAWASHIMA, Kenji SUNAGA,
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Abstract(in English)	This paper describes the Lame-mode quartz crystal resonators which belong to trigonal system. In this paper, the conditions for excitation of Lame-mode, frequency temperature behavior and electrical characteristics are c1arified for the quartz crystal resonators. Frequenry equations for systems of Y- and X-plates are, first, derived from an energy method. From these equations it is shown that there are cut angles φ_y, φ_x where give the first order temperature coefficient α=0. Next, the existence for Lame-mode is analyzed by the finite element method. Finally typical values of electrical equivalent circuit parameters are shown.
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Keyword(in English)	trigonal system / quartz crystal resonator / Lame-mode / zero temperature coefficient
Paper #	US96-104
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Conference Information
Committee	US
Conference Date	1997/2/28(1days)
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Paper Information
Registration To	Ultrasonics (US)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Lame Mode Quartz Crystal Resonators with Zero Temperature Coefficients
Sub Title (in English)
Keyword(1)	trigonal system
Keyword(2)	quartz crystal resonator
Keyword(3)	Lame-mode
Keyword(4)	zero temperature coefficient
1st Author's Name	Hirofumi KAWASHIMA
1st Author's Affiliation	()
2nd Author's Name	Kenji SUNAGA
2nd Author's Affiliation
Date	1997/2/28
Paper #	US96-104
Volume (vol)	vol.96
Number (no)	546
Page	pp.pp.-
#Pages	6
Date of Issue