DE3466911D1 - Temperature compensated orientation of berlinite for surface acoustic wave devices - Google Patents

Temperature compensated orientation of berlinite for surface acoustic wave devices

Info

Publication number
DE3466911D1
DE3466911D1 DE8484110177T DE3466911T DE3466911D1 DE 3466911 D1 DE3466911 D1 DE 3466911D1 DE 8484110177 T DE8484110177 T DE 8484110177T DE 3466911 T DE3466911 T DE 3466911T DE 3466911 D1 DE3466911 D1 DE 3466911D1
Authority
DE
Germany
Prior art keywords
berlinite
acoustic wave
surface acoustic
temperature compensated
wave devices
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
Application number
DE8484110177T
Other languages
English (en)
Inventor
B H Chai
J F Vetelino
D L Lee
D S Bailey
J C Andle
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.)
Allied Corp
Original Assignee
Allied 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24181505&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3466911(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Allied Corp filed Critical Allied Corp
Application granted granted Critical
Publication of DE3466911D1 publication Critical patent/DE3466911D1/de
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
DE8484110177T 1983-10-28 1984-08-27 Temperature compensated orientation of berlinite for surface acoustic wave devices Expired DE3466911D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/546,677 US4525643A (en) 1983-10-28 1983-10-28 Temperature compensated orientations of berlinite for surface acoustic wave devices

Publications (1)

Publication Number Publication Date
DE3466911D1 true DE3466911D1 (en) 1987-11-26

Family

ID=24181505

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484110177T Expired DE3466911D1 (en) 1983-10-28 1984-08-27 Temperature compensated orientation of berlinite for surface acoustic wave devices

Country Status (6)

Country Link
US (1) US4525643A (de)
EP (1) EP0144544B1 (de)
JP (1) JPS60111513A (de)
AU (1) AU3265584A (de)
CA (1) CA1233094A (de)
DE (1) DE3466911D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE165197T1 (de) * 1993-07-20 1998-05-15 Avl List Gmbh Piezoelektrisches kristallelement
DE19518704C2 (de) * 1995-05-22 1997-04-03 Siemens Ag Piezoelektrisches Kristallelement aus Galliumorthophosphat
EP0758818B1 (de) * 1995-08-15 2000-03-22 CTS Corporation Surface-Skimming-Bulk-Welle-Substrat, und diese enthaltende Vorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4109173A (en) * 1977-08-19 1978-08-22 The United States Of America As Represented By The Secretary Of The Air Force High piezoelectric coupling, low diffraction loss, temperature compensated berlinite substrate members for surface acoustic wave devices
US4109172A (en) * 1977-08-19 1978-08-22 The United States Of America As Represented By The Secretary Of The Air Force High piezoelectric coupling-temperature compensated berlinite substrate member for surface acoustic wave devices
JPS56116317A (en) * 1980-02-19 1981-09-12 Matsushita Electric Ind Co Ltd Material for elastic surface wave
US4382840A (en) * 1981-01-30 1983-05-10 Allied Corporation Hydrothermal crystal growing process and apparatus

Also Published As

Publication number Publication date
US4525643A (en) 1985-06-25
CA1233094A (en) 1988-02-23
AU3265584A (en) 1985-05-02
JPS60111513A (ja) 1985-06-18
EP0144544A1 (de) 1985-06-19
EP0144544B1 (de) 1987-10-21

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation