GB655994A - Improvements in or relating to piezo-electric crystals - Google Patents

Improvements in or relating to piezo-electric crystals

Info

Publication number
GB655994A
GB655994A GB32349/48A GB3234948A GB655994A GB 655994 A GB655994 A GB 655994A GB 32349/48 A GB32349/48 A GB 32349/48A GB 3234948 A GB3234948 A GB 3234948A GB 655994 A GB655994 A GB 655994A
Authority
GB
United Kingdom
Prior art keywords
piezo
electric crystals
relating
degrees
angle
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
GB32349/48A
Other languages
English (en)
Inventor
Rudolf Bechmann
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.)
HIS MAJESTY S POSTMASTER GENER
Original Assignee
HIS MAJESTY S POSTMASTER GENER
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 HIS MAJESTY S POSTMASTER GENER filed Critical HIS MAJESTY S POSTMASTER GENER
Publication of GB655994A publication Critical patent/GB655994A/en
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 elements; Electromechanical resonators
    • H03H9/02—Details
    • H03H9/02007—Details of bulk acoustic wave devices
    • H03H9/02015—Characteristics of piezoelectric layers, e.g. cutting angles

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB32349/48A 1948-12-14 1948-12-14 Improvements in or relating to piezo-electric crystals Expired GB655994A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB283219X 1948-12-14

Publications (1)

Publication Number Publication Date
GB655994A true GB655994A (en) 1951-08-08

Family

ID=10273824

Family Applications (1)

Application Number Title Priority Date Filing Date
GB32349/48A Expired GB655994A (en) 1948-12-14 1948-12-14 Improvements in or relating to piezo-electric crystals

Country Status (3)

Country Link
BE (1) BE492734A (enExample)
CH (1) CH283219A (enExample)
GB (1) GB655994A (enExample)

Also Published As

Publication number Publication date
BE492734A (enExample)
CH283219A (de) 1952-05-31

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