GB703508A - Piezoelectric arrays for examining materials by ultrasonic irradiation - Google Patents

Piezoelectric arrays for examining materials by ultrasonic irradiation

Info

Publication number
GB703508A
GB703508A GB2465351A GB2465351A GB703508A GB 703508 A GB703508 A GB 703508A GB 2465351 A GB2465351 A GB 2465351A GB 2465351 A GB2465351 A GB 2465351A GB 703508 A GB703508 A GB 703508A
Authority
GB
United Kingdom
Prior art keywords
grooves
slab
ultrasonic irradiation
divided
piezo
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
GB2465351A
Inventor
Geoffrey Bradfield
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Priority to GB2465351A priority Critical patent/GB703508A/en
Publication of GB703508A publication Critical patent/GB703508A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)

Abstract

703,508. Piezo-electric crystals. NATIONAL RESEARCH DEVELOPMENT CORPORATION. Nov. 14, 1951 [Nov. 17, 1950], No. 24653/51. Divided out of 703,480, [Group XXXVIII]. Class 40 (8). Apparatus for launching ultrasonic waves in a medium includes a slab 1 of piezo-electric material divided by grooves to form a series of discrete elements with means for applying potentials to these discrete elements. As shown the slab, which may be of quartz or a barium titanate ceramic, is divided by grooves on both sides and provided with electrode coatings on the portions of the surface a, b, c, d, e, and f left between the grooves. Alternatively only one side of the slab may be grooved and the electrodes may be disposed within the grooves and on the sides thereof.
GB2465351A 1950-11-17 1950-11-17 Piezoelectric arrays for examining materials by ultrasonic irradiation Expired GB703508A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2465351A GB703508A (en) 1950-11-17 1950-11-17 Piezoelectric arrays for examining materials by ultrasonic irradiation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2465351A GB703508A (en) 1950-11-17 1950-11-17 Piezoelectric arrays for examining materials by ultrasonic irradiation

Publications (1)

Publication Number Publication Date
GB703508A true GB703508A (en) 1954-02-03

Family

ID=10215117

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2465351A Expired GB703508A (en) 1950-11-17 1950-11-17 Piezoelectric arrays for examining materials by ultrasonic irradiation

Country Status (1)

Country Link
GB (1) GB703508A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247776A (en) * 1990-09-07 1992-03-11 Toyo Communication Equip Piezo electric resonator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2247776A (en) * 1990-09-07 1992-03-11 Toyo Communication Equip Piezo electric resonator

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