JPS5799813A - Surface acoustic wave resonator - Google Patents

Surface acoustic wave resonator

Info

Publication number
JPS5799813A
JPS5799813A JP17524280A JP17524280A JPS5799813A JP S5799813 A JPS5799813 A JP S5799813A JP 17524280 A JP17524280 A JP 17524280A JP 17524280 A JP17524280 A JP 17524280A JP S5799813 A JPS5799813 A JP S5799813A
Authority
JP
Japan
Prior art keywords
transducer
periodical
denoted
electrodes
electrode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP17524280A
Other languages
Japanese (ja)
Other versions
JPS6147009B2 (en
Inventor
Takehiko Uno
Hiromichi Jumonji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP17524280A priority Critical patent/JPS5799813A/en
Priority to GB8116284A priority patent/GB2078042B/en
Priority to US06/267,680 priority patent/US4387355A/en
Priority to FR8111388A priority patent/FR2484735A1/en
Priority to NLAANVRAGE8102818,A priority patent/NL187091C/en
Priority to DE19813123410 priority patent/DE3123410A1/en
Publication of JPS5799813A publication Critical patent/JPS5799813A/en
Publication of JPS6147009B2 publication Critical patent/JPS6147009B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/25—Constructional features of resonators using surface acoustic waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Abstract

PURPOSE:To make the device small in size and improve the Q value, by optimizing the ratio of the electrode period of a transducer to the electrode period of a reflector and by making the center frequency of the reflector coincident with that of the transducer. CONSTITUTION:Surface acoustic wave reflectors 2 and 3 on a piezoelectric substrate 1 have periodical grooves of a depth hgR besides periodical electrodes of a thickness hmR, and a transducer 4 has perodical electrodes of a thickness hmT and periodical grooves of a depth hgT. The electrode period of reflectors 2 and 3, the electrode period of the transducer, the frequency lowering quantity of reflectors based on periodical perturbation determined by a resonance wavelength lambda, and the frequency lowering quantity of the transducer are denoted as LR, LT, C2R, and C2T, respectively. The elastic mismatching between the electrode part and the non-electrode part of the transducer is denoted as C1T, and a constant qT determined by C1T and a number N of pairs of electrodes of the transducer is denoted as qT=piC1TN. Thus, LT/LR is determined by expression 1 for the purpose of making frequencies fR and fT coincident with each other.
JP17524280A 1980-06-13 1980-12-13 Surface acoustic wave resonator Granted JPS5799813A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP17524280A JPS5799813A (en) 1980-12-13 1980-12-13 Surface acoustic wave resonator
GB8116284A GB2078042B (en) 1980-06-13 1981-05-28 Surface acoustic wave resonator
US06/267,680 US4387355A (en) 1980-06-13 1981-05-28 Surface acoustic wave resonator
FR8111388A FR2484735A1 (en) 1980-06-13 1981-06-10 SURFACE ACOUSTIC WAVE RESONATOR
NLAANVRAGE8102818,A NL187091C (en) 1980-06-13 1981-06-11 ACOUSTIC SURFACE WAVE RESONATOR.
DE19813123410 DE3123410A1 (en) 1980-06-13 1981-06-12 ACOUSTIC SURFACE WAVE RESONATOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17524280A JPS5799813A (en) 1980-12-13 1980-12-13 Surface acoustic wave resonator

Publications (2)

Publication Number Publication Date
JPS5799813A true JPS5799813A (en) 1982-06-21
JPS6147009B2 JPS6147009B2 (en) 1986-10-17

Family

ID=15992740

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17524280A Granted JPS5799813A (en) 1980-06-13 1980-12-13 Surface acoustic wave resonator

Country Status (1)

Country Link
JP (1) JPS5799813A (en)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61251223A (en) * 1985-04-27 1986-11-08 Pioneer Electronic Corp Surface acoustic wave resonator
DE4408989A1 (en) * 1993-05-27 1994-12-01 Fujitsu Ltd Surface acoustic wave filter of the resonator type for reducing the signal strength of an interference spike
WO2006137464A1 (en) * 2005-06-21 2006-12-28 Epson Toyocom Corporation Elastic surface wave device, module, and oscillator
WO2010098139A1 (en) * 2009-02-27 2010-09-02 エプソントヨコム株式会社 Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic device
JP2012004897A (en) * 2010-06-17 2012-01-05 Seiko Epson Corp Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic device
JP2012060422A (en) * 2010-09-09 2012-03-22 Seiko Epson Corp Surface acoustic wave device, electronic apparatus and sensor device
JP2012060418A (en) * 2010-09-09 2012-03-22 Seiko Epson Corp Surface acoustic wave device, electronic apparatus and sensor device
US8305162B2 (en) 2009-02-27 2012-11-06 Seiko Epson Corporation Surface acoustic wave resonator and surface acoustic wave oscillator
US8471434B2 (en) 2010-08-26 2013-06-25 Seiko Epson Corporation Surface acoustic wave device, surface acoustic wave oscillator, and electronic apparatus
US8476984B2 (en) 2010-12-07 2013-07-02 Seiko Epson Corporation Vibration device, oscillator, and electronic apparatus
US8598766B2 (en) 2010-12-03 2013-12-03 Seiko Epson Corporation Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic apparatus
US8692439B2 (en) 2010-08-26 2014-04-08 Seiko Epson Corporation Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic device
US8928432B2 (en) 2010-08-26 2015-01-06 Seiko Epson Corporation Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic apparatus
JP2015029358A (en) * 2014-10-29 2015-02-12 セイコーエプソン株式会社 Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic device
US9048806B2 (en) 2010-09-09 2015-06-02 Seiko Epson Corporation Surface acoustic wave device, electronic apparatus, and sensor apparatus

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61251223A (en) * 1985-04-27 1986-11-08 Pioneer Electronic Corp Surface acoustic wave resonator
DE4408989A1 (en) * 1993-05-27 1994-12-01 Fujitsu Ltd Surface acoustic wave filter of the resonator type for reducing the signal strength of an interference spike
US6255916B1 (en) 1993-05-27 2001-07-03 Fujitsu Limited Resonator-type surface-acoustic-wave filter for reducing the signal strength of a spurious peak
WO2006137464A1 (en) * 2005-06-21 2006-12-28 Epson Toyocom Corporation Elastic surface wave device, module, and oscillator
US7750533B2 (en) 2005-06-21 2010-07-06 Epson Toyocom Corporation Surface acoustic wave (SAW) device, module and oscillator for improving a Q factor
WO2010098139A1 (en) * 2009-02-27 2010-09-02 エプソントヨコム株式会社 Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic device
JP5257799B2 (en) * 2009-02-27 2013-08-07 セイコーエプソン株式会社 Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic device
US9762207B2 (en) 2009-02-27 2017-09-12 Seiko Epson Corporation Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic instrument
US8952596B2 (en) 2009-02-27 2015-02-10 Seiko Epson Corporation Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic instrument
US8305162B2 (en) 2009-02-27 2012-11-06 Seiko Epson Corporation Surface acoustic wave resonator and surface acoustic wave oscillator
US8933612B2 (en) 2009-02-27 2015-01-13 Seiko Epson Corporation Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic instrument
JP2014112949A (en) * 2009-02-27 2014-06-19 Seiko Epson Corp Surface acoustic wave resonator and surface acoustic wave oscillator
US8502625B2 (en) 2009-02-27 2013-08-06 Seiko Epson Corporation Surface acoustic wave resonator and surface acoustic wave oscillator
JP2012004897A (en) * 2010-06-17 2012-01-05 Seiko Epson Corp Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic device
US9088263B2 (en) 2010-06-17 2015-07-21 Seiko Epson Corporation Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic apparatus
US9537464B2 (en) 2010-06-17 2017-01-03 Seiko Epson Corporation Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic apparatus
US8692439B2 (en) 2010-08-26 2014-04-08 Seiko Epson Corporation Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic device
US8928432B2 (en) 2010-08-26 2015-01-06 Seiko Epson Corporation Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic apparatus
US8471434B2 (en) 2010-08-26 2013-06-25 Seiko Epson Corporation Surface acoustic wave device, surface acoustic wave oscillator, and electronic apparatus
JP2012060418A (en) * 2010-09-09 2012-03-22 Seiko Epson Corp Surface acoustic wave device, electronic apparatus and sensor device
US9048806B2 (en) 2010-09-09 2015-06-02 Seiko Epson Corporation Surface acoustic wave device, electronic apparatus, and sensor apparatus
JP2012060422A (en) * 2010-09-09 2012-03-22 Seiko Epson Corp Surface acoustic wave device, electronic apparatus and sensor device
US8598766B2 (en) 2010-12-03 2013-12-03 Seiko Epson Corporation Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic apparatus
US8791621B2 (en) 2010-12-03 2014-07-29 Seiko Epson Corporation Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic apparatus
US8476984B2 (en) 2010-12-07 2013-07-02 Seiko Epson Corporation Vibration device, oscillator, and electronic apparatus
JP2015029358A (en) * 2014-10-29 2015-02-12 セイコーエプソン株式会社 Surface acoustic wave resonator, surface acoustic wave oscillator, and electronic device

Also Published As

Publication number Publication date
JPS6147009B2 (en) 1986-10-17

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