Ultrasonic probe

• US 3,302,044 A
• Filed: 05/14/1964
• Issued: 01/31/1967
• Est. Priority Date: 05/14/1964
• Status: Expired due to Term

• Current Assignee: Edmund H. Carnevale, Lawrence C. Lynnworth
• Original Assignee: Edmund H. Carnevale, Lawrence C. Lynnworth
• Inventors: Lynnworth, Lawrence C., Carnevale, Edmund H.
• Application Number:
  US04/367,320
• Time in Patent Office: 992 Days
• US Class Current: 310/333
• CPC Class Codes: B06B 3/00 Methods or apparatus specially adapted for transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
• CPC Class Codes: G01N 29/28 providing acoustic coupling , e.g. water impedance matching G10K11/02

Claims

1. AN ULTRASONIC WAVE TRANSMISSION PROBE COMPRISING, A PIEZOELECTRIC CRYSTAL FOR EMITTING ULTRASONIC WAVES ALONG AN AXIS OF PROPAGATION NORMAL TO THE FACE OF SAID CRYSTAL;

AN ELONGATED CONTACT ELEMENT BONDED TO SAID CRYSTAL AND HAVING A LONGITUDINAL AXIS COINCIDENT WITH THE AXIS OF PROPAGATION OF SAID EMITTED ULTRASONIC WAVES, SAID CONTACT ELEMENT HAVING A CONTACT SURFACE IN A PLANE NORMAL TO SAID AXIS OF PROPAGATION, SAID CONTACT SURFACE HAVING AN AREA SUBSTANTIALLY LESS THAN THE AREA OF SAID CRYSTAL FACE, AND A RADIUS OF CURVATURE GREATER THAN ONE EIGHTH INCH.