Ultrasonic transducer

Patent · Tue Mar 13 00:00:00 EDT 2007

OSTI ID:1176138

Taylor, Steven C.; Kraft, Nancy C.

An ultrasonic transducer having an effective center frequency of about 42 MHz; a bandwidth of greater than 85% at 6 dB; a spherical focus of at least 0.5 inches in water; an F4 lens; a resolution sufficient to be able to detect and separate a 0.005 inch flat-bottomed hole at 0.005 inches below surface; and a beam size of approximately 0.006–0.008 inches measured off a 11/2 mm ball in water at the transducer's focal point.

• Research Organization: Idaho National Laboratory (INL), Idaho Falls, ID (United States)
• Sponsoring Organization: USDOE
• DOE Contract Number: AC07-05ID14517
• Assignee: Battelle Energy Alliance, LLC (Idaho Falls, ID)
• Patent Number(s): 7,188,526
• Application Number: 11/172,129
• OSTI ID: 1176138
• Country of Publication: United States
• Language: English

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