GB2328815B - Surface acoustic wave device having a langasite single crystal substrate - Google Patents

Surface acoustic wave device having a langasite single crystal substrate

Info

Publication number
GB2328815B
GB2328815B GB9818000A GB9818000A GB2328815B GB 2328815 B GB2328815 B GB 2328815B GB 9818000 A GB9818000 A GB 9818000A GB 9818000 A GB9818000 A GB 9818000A GB 2328815 B GB2328815 B GB 2328815B
Authority
GB
United Kingdom
Prior art keywords
single crystal
acoustic wave
surface acoustic
crystal substrate
wave device
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.)
Expired - Lifetime
Application number
GB9818000A
Other versions
GB2328815A (en
GB9818000D0 (en
Inventor
Michio Kadota
Makoto Kumatoriya
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
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
Priority claimed from JP23129497A external-priority patent/JP4279910B2/en
Priority claimed from JP10011498A external-priority patent/JPH11136083A/en
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of GB9818000D0 publication Critical patent/GB9818000D0/en
Publication of GB2328815A publication Critical patent/GB2328815A/en
Application granted granted Critical
Publication of GB2328815B publication Critical patent/GB2328815B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H03H9/02—Details
    • H03H9/02535—Details of surface acoustic wave devices
    • H03H9/02543—Characteristics of substrate, e.g. cutting angles
    • H03H9/0259—Characteristics of substrate, e.g. cutting angles of langasite substrates

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
GB9818000A 1997-08-27 1998-08-18 Surface acoustic wave device having a langasite single crystal substrate Expired - Lifetime GB2328815B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP23129497A JP4279910B2 (en) 1997-08-27 1997-08-27 Signal processing device for digital still camera
JP10011498A JPH11136083A (en) 1997-08-27 1998-01-23 Surface wave device

Publications (3)

Publication Number Publication Date
GB9818000D0 GB9818000D0 (en) 1998-10-14
GB2328815A GB2328815A (en) 1999-03-03
GB2328815B true GB2328815B (en) 1999-10-20

Family

ID=26346934

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9818000A Expired - Lifetime GB2328815B (en) 1997-08-27 1998-08-18 Surface acoustic wave device having a langasite single crystal substrate

Country Status (1)

Country Link
GB (1) GB2328815B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2099857C1 (en) * 1996-01-10 1997-12-20 Наталья Федоровна Науменко Surface acoustical wave radio-frequency device
EP0866551A3 (en) * 1997-03-21 2000-05-24 Mitsubishi Materials Corporation Surface acoustic wave element
WO1999048200A1 (en) * 1998-03-19 1999-09-23 Sawtek Inc. An optimal cut for saw devices on langatate
JP2000068778A (en) * 1998-08-21 2000-03-03 Murata Mfg Co Ltd Surface wave resonator, surface wave filter, shared device, communication device, surface wave device and production of the resonator
US6514336B1 (en) 2000-10-12 2003-02-04 Utar Scientific, Inc. Method of growing piezoelectric lanthanide gallium crystals

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5432392A (en) * 1993-01-14 1995-07-11 Murata Manufacturing Co., Ltd. Surface wave device
JPH08204499A (en) * 1995-01-25 1996-08-09 Murata Mfg Co Ltd Surface wave device
WO1997025775A1 (en) * 1996-01-09 1997-07-17 Elbo Entwicklungsgesellschaft Mbh Linearized alternating voltage amplifier
EP0866551A2 (en) * 1997-03-21 1998-09-23 Mitsubishi Materials Corporation Surface acoustic wave element
EP0869609A1 (en) * 1996-10-18 1998-10-07 TDK Corporation Surface acoustic wave device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5432392A (en) * 1993-01-14 1995-07-11 Murata Manufacturing Co., Ltd. Surface wave device
JPH08204499A (en) * 1995-01-25 1996-08-09 Murata Mfg Co Ltd Surface wave device
WO1997025775A1 (en) * 1996-01-09 1997-07-17 Elbo Entwicklungsgesellschaft Mbh Linearized alternating voltage amplifier
EP0869609A1 (en) * 1996-10-18 1998-10-07 TDK Corporation Surface acoustic wave device
EP0866551A2 (en) * 1997-03-21 1998-09-23 Mitsubishi Materials Corporation Surface acoustic wave element

Also Published As

Publication number Publication date
GB2328815A (en) 1999-03-03
GB9818000D0 (en) 1998-10-14

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20180817