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 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
CH (1) CH283219A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (1) GB655994A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Also Published As

Publication number Publication date
CH283219A (de) 1952-05-31
BE492734A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

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