IT989379B - Dispositivo di filtraggio piezoelettrico - Google Patents

Dispositivo di filtraggio piezoelettrico

Info

Publication number
IT989379B
IT989379B IT25712/73A IT2571273A IT989379B IT 989379 B IT989379 B IT 989379B IT 25712/73 A IT25712/73 A IT 25712/73A IT 2571273 A IT2571273 A IT 2571273A IT 989379 B IT989379 B IT 989379B
Authority
IT
Italy
Prior art keywords
filter device
piezoelectric filter
piezoelectric
filter
Prior art date
Application number
IT25712/73A
Other languages
English (en)
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
Application granted granted Critical
Publication of IT989379B publication Critical patent/IT989379B/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
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic crystal filters
    • H03H9/562—Monolithic crystal filters comprising a ceramic piezoelectric layer
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02228—Guided bulk acoustic wave devices or Lamb wave devices having interdigital transducers situated in parallel planes on either side of a piezoelectric layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
IT25712/73A 1972-06-27 1973-06-22 Dispositivo di filtraggio piezoelettrico IT989379B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2231467A DE2231467C3 (de) 1972-06-27 1972-06-27 Piezoelektrische Anordnung und Verfahren zur Vermeidung von Über Sprechkapazitäten

Publications (1)

Publication Number Publication Date
IT989379B true IT989379B (it) 1975-05-20

Family

ID=5848958

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25712/73A IT989379B (it) 1972-06-27 1973-06-22 Dispositivo di filtraggio piezoelettrico

Country Status (9)

Country Link
US (1) US3836877A (it)
JP (1) JPS4959551A (it)
AT (1) AT327294B (it)
BE (1) BE801525A (it)
DE (1) DE2231467C3 (it)
FR (1) FR2191355B1 (it)
GB (1) GB1434073A (it)
IT (1) IT989379B (it)
NL (1) NL7308957A (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3944951A (en) * 1974-11-21 1976-03-16 Bell Telephone Laboratories, Incorporated Monolithic crystal filter
JPS58173912A (ja) * 1982-04-05 1983-10-12 Hiroshi Shimizu 圧電体屈曲振動子および圧電フィルタ
JPS6066483A (ja) * 1983-09-22 1985-04-16 Hiroshi Shimizu 強誘電体単結晶を用いた圧電変換素子
JPS60196005A (ja) * 1984-03-19 1985-10-04 Hiroshi Shimizu 圧電単体屈曲振動子及び圧電フィルタ
US5192925A (en) * 1991-05-02 1993-03-09 Murata Manufacturing Co., Ltd. Piezoelectric resonator and method of fabricating the same
CN1082257C (zh) * 1994-07-18 2002-04-03 株式会社东金 压电变压器及采用该变压器的电压变换装置
DE19914468C1 (de) 1999-03-30 2000-09-07 Siemens Ag Bauelement
DE102004049498A1 (de) * 2004-10-11 2006-04-13 Epcos Ag Mit akustischen Wellen arbeitendes Bauelement und Verfahren zu dessen Herstellung
DE102004049499B4 (de) * 2004-10-11 2017-12-21 Snaptrack, Inc. Mit akustischen Volumenwellen arbeitende Schaltung und Bauelement mit der Schaltung
CN101185241B (zh) * 2005-05-27 2010-10-06 Nxp股份有限公司 体声波共振器器件、包含该器件的滤波器以及电子设备
MX2011004690A (es) * 2009-09-04 2011-07-29 Sms Concast Ag Rodillo y arreglo de rodillo para una instalacion de colada continua.
US10816026B2 (en) * 2017-08-09 2020-10-27 Raytheon Company Separable physical coupler using piezoelectric forces for decoupling
CN112054781B (zh) * 2020-09-11 2021-10-08 广东广纳芯科技有限公司 具有双层同向叉指换能器结构的高性能谐振器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2830274A (en) * 1954-01-04 1958-04-08 Gen Electric Electromechanical transducer
US2943279A (en) * 1958-11-17 1960-06-28 Oskar E Mattiat Piezoelectric band pass filter
US2953755A (en) * 1958-11-17 1960-09-20 Oskar E Mattiat Piezoelectric ceramic filters
US3621309A (en) * 1969-04-19 1971-11-16 Mitsumi Electric Co Ltd Electric-mechanical transducer

Also Published As

Publication number Publication date
DE2231467C3 (de) 1975-02-13
NL7308957A (it) 1974-01-02
AT327294B (de) 1976-01-26
GB1434073A (en) 1976-04-28
BE801525A (fr) 1973-10-15
DE2231467B2 (de) 1974-06-20
FR2191355B1 (it) 1978-05-26
DE2231467A1 (de) 1974-01-17
JPS4959551A (it) 1974-06-10
US3836877A (en) 1974-09-17
FR2191355A1 (it) 1974-02-01
ATA400173A (de) 1975-04-15

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