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Published byMarlee Edgerton Modified over 10 years ago
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High Resolution, Low Cost Ultrasound Camera for In-service Composite NDI
Robert Lasser, Marvin Lasser, Ron Westernik, John Kula, David Rich Imperium, Inc.
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Imperium Formed in 1996 Focused solely on ultrasound camera technology
In development for 10 years, now selling commercially Implement for different embodiments of ultrasound camera
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Easy-to-Interpret Image Examples
Imperium Conventional Bone Medical Image of Finger: Industrial Detection of Fault: Defect
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Industry Sectors Industrial Underwater Biometrics Medical
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Sampling of Customers
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Imperium Architecture
Apply optical imaging techniques to ultrasound Optical Sensor Lens
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Imperium Architecture
Acoustic Flashlight Acoustic Lens Set Ultrasound Sensor
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Through Transmission Imaging Array Acoustic Lens Target
Source Transducer
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Imaging Array Piezoelectric Layer Pre-amp/ detection
Signal Conditioning Multiplexing I500 to I600 Pin Grid Array Package Ultrasound ( piezoelectric) material Read out integrated circuit (ROIC) Wire bonds
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Through Transmission of Composite Laminate
Three inches
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DAV TM Technology - Pulse Echo Pulse echo image of quarter
Sound Transmitter Water Pulse echo image of quarter Subsurface fault Array Video Water Lens Electronics Target
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Pulse Echo – 50/50 Beamsplitter
Sound Transmitter Pulse echo image of quarter Array Subsurface fault Video Water Lens Acoustic beamsplitter Target
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Pulse Echo of Composite Laminate
One inch
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Pulse Echo of Quarter One inch
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Camera Head Cutaway Source transducer Imaging Array Target LCD
Acoustic Lens Beamsplitter
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B-scan versus C-scan Defect
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Impact Damage in Composite Structure
One inch Leading Edge Inspection
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Pulse Echo of Honeycomb Composite
One inch
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Range Gating Gate 1 Gate 2 Gate 3
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Range Gating for Depth: Pick the C-scan plane of interest
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Integrated A-scan for Flaw Detector Functionality
“Transparent” A-scan Sensor
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Presentation of Imagery and A-scan/ Match Gates
Set A-scan gates, automatically changes C-scan gates
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Production Scanning Results: ATK Thiokol
Hex nut and paper clip placed on surface Graphite/epoxy laminate defect standard with embedded Teflon wafers
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UT camera scan with stitching algorithm applied
- 0.3” scan increment Conventional immersion scan MHz, 0.25” diameter transducer scan increment
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Gridlines/Sizing
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Future Developments: Pulse Echo
Handheld portion goes from 4 lbs. to 2 lbs.
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Current Development: ‘Camcorder’ Handheld
Focus with finger Strap Grip Handheld portion goes from 4 lbs. to under 2 lbs.
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New Control Unit
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Current Development: ‘Camcorder’ Handheld
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Time of flight: color code different depths
Blue: Level 1 Red: Level 2 Yellow: Level 3 2 3 3 1 2 Increments to be selected by user (e.g. 1 mm)
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Future Developments: Through Transmission
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Boeing Remote NDI Program
Lack of trained NDI personnel Use by non-certified personnel SIMPLE, SIMPLE, SIMPLE Remotely monitored in real time Wireless Program began in early 2007
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Remote Wireless NDI Program
C-scan, A-scan, Audio, Video of inspection Audio, Control of camera
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Boeing Remote NDI Program
Successful demonstration Fall 2008 Equipment at Boeing’s Everett, WA production facility Remotely monitored at Boeing’ GoldCare center in Seattle, WA Pilot program with airlines during 2009
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