IT1100292B - Risonatore armonico - Google Patents

Risonatore armonico

Info

Publication number
IT1100292B
IT1100292B IT3004978A IT3004978A IT1100292B IT 1100292 B IT1100292 B IT 1100292B IT 3004978 A IT3004978 A IT 3004978A IT 3004978 A IT3004978 A IT 3004978A IT 1100292 B IT1100292 B IT 1100292B
Authority
IT
Italy
Prior art keywords
plano
shear
curvature
radius
crystal
Prior art date
Application number
IT3004978A
Other languages
English (en)
Other versions
IT7830049A0 (it
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IT7830049A0 publication Critical patent/IT7830049A0/it
Application granted granted Critical
Publication of IT1100292B publication Critical patent/IT1100292B/it

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
    • H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
    • H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
    • H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
IT3004978A 1977-11-25 1978-11-22 Risonatore armonico IT1100292B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2752734A DE2752734B1 (de) 1977-11-25 1977-11-25 Als Obertonresonator verwendeter Dickenscherschwinger

Publications (2)

Publication Number Publication Date
IT7830049A0 IT7830049A0 (it) 1978-11-22
IT1100292B true IT1100292B (it) 1985-09-28

Family

ID=6024658

Family Applications (1)

Application Number Title Priority Date Filing Date
IT3004978A IT1100292B (it) 1977-11-25 1978-11-22 Risonatore armonico

Country Status (4)

Country Link
US (1) US4188557A (it)
DE (1) DE2752734B1 (it)
FR (1) FR2410391A1 (it)
IT (1) IT1100292B (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4365182A (en) * 1980-10-14 1982-12-21 The United States Of America As Represented By The Secretary Of The Army Method of fabricating acceleration resistant crystal resonators and acceleration resistant crystal resonators so formed
US4375604A (en) * 1981-02-27 1983-03-01 The United States Of America As Represented By The Secretary Of The Army Method of angle correcting doubly rotated crystal resonators
JPS6216611A (ja) * 1985-07-15 1987-01-24 Seikosha Co Ltd 平板状厚みすべり水晶振動子
JPH0640612B2 (ja) * 1986-03-31 1994-05-25 朝日電波株式会社 圧電振動子
US5283496A (en) * 1988-07-20 1994-02-01 Asahi Dempa Co., Ltd. Thickness shear crystal resonator and manufacturing method therefor
JPH0230207A (ja) * 1988-07-20 1990-01-31 Asahi Denpa Kk 水晶振動子及びその製造方法
DE69129957T2 (de) * 1990-04-27 1998-12-24 Seiko Epson Corp., Tokio/Tokyo In AT-Richtung geschnittenes Kristalloszillatorelement und sein Herstellungsverfahren
US6658376B1 (en) 1999-06-15 2003-12-02 Seiko Epson Corporation Determination of vibration frequency characteristics of electroded crystal plate
JP4563437B2 (ja) * 2007-10-18 2010-10-13 日本電波工業株式会社 ２回回転ｙカット板からなる水晶振動子
US8704315B2 (en) * 2008-06-26 2014-04-22 Cornell University CMOS integrated micromechanical resonators and methods for fabricating the same
WO2014123519A1 (en) 2013-02-06 2014-08-14 Empire Technology Development Llc Devices, systems, and methods for detecting odorants
WO2015116104A1 (en) * 2014-01-30 2015-08-06 Empire Technology Development Llc Crystal oscillators and methods for fabricating the same
US20160349216A1 (en) * 2014-01-30 2016-12-01 Empire Technology Development Llc Odor sensors
US10615772B2 (en) 2017-06-30 2020-04-07 Texas Instruments Incorporated Acoustic wave resonators having Fresnel surfaces
US10686425B2 (en) 2017-06-30 2020-06-16 Texas Instruments Incorporated Bulk acoustic wave resonators having convex surfaces, and methods of forming the same
US10622966B2 (en) 2017-07-26 2020-04-14 Texas Instruments Incorporated Bulk acoustic wave resonators having a phononic crystal acoustic mirror
US10855251B2 (en) 2017-08-08 2020-12-01 Texas Instruments Incorporated Unreleased plane acoustic wave resonators

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2159796A (en) * 1937-11-30 1939-05-23 Rca Corp Quartz piezoelectric element
DE1244250B (de) * 1959-04-09 1967-07-13 Tokujiro Ando Kristallschwinger in Form einer konvexen, vorzugsweise bikonvexen Linse
GB1401042A (en) * 1972-05-30 1975-07-16 Suisse Horlogerie Quartz crystal resonator
JPS5069981A (it) * 1973-10-24 1975-06-11
US4017753A (en) * 1975-02-05 1977-04-12 Kabushiki Kaisha Meidensha Shaped quartz crystal resonator
DE2641571B1 (de) * 1976-09-15 1977-06-08 Siemens Ag Als obertonquarz verwendeter dickenscherungsschwinger

Also Published As

Publication number Publication date
IT7830049A0 (it) 1978-11-22
US4188557A (en) 1980-02-12
DE2752734B1 (de) 1979-04-26
FR2410391A1 (fr) 1979-06-22
FR2410391B1 (it) 1982-07-02

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