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High Resolution, Low Cost Ultrasound Camera for In-service Composite NDI Robert Lasser , Marvin Lasser , Ron Westerni

High Resolution, Low Cost Ultrasound Camera for In-service Composite NDI Robert Lasser , Marvin Lasser , Ron Westernik , John Kula, David Rich Imperium, Inc. Imperium. Formed in 1996 Focused solely on ultrasound camera technology In development for 10 years, now selling commercially

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High Resolution, Low Cost Ultrasound Camera for In-service Composite NDI Robert Lasser , Marvin Lasser , Ron Westerni

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  1. High Resolution, Low Cost Ultrasound Camera for In-service Composite NDI Robert Lasser, Marvin Lasser, Ron Westernik, John Kula, David Rich Imperium, Inc.

  2. 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

  3. Easy-to-Interpret Image Examples Imperium Conventional Bone Medical Image of Finger: Industrial Detection of Fault: Defect

  4. Industry Sectors • Industrial • Underwater • Biometrics • Medical

  5. Sampling of Customers

  6. Imperium Architecture Apply optical imaging techniques to ultrasound Optical Sensor Lens

  7. Imperium Architecture Acoustic Flashlight Ultrasound Sensor Acoustic Lens Set

  8. Through Transmission Imaging Array Acoustic Lens Target Source Transducer

  9. Ultrasound ( piezoelectric) Read out material integrated circuit (ROIC) Pin Grid Array Package Wire bonds Imaging Array Multiplexing Piezoelectric Layer Signal Conditioning Pre-amp/ detection I500 to I600

  10. Through Transmission of Composite Laminate Three inches

  11. Pulse Echo – 50/50 Beamsplitter Sound Transmitter Pulse echo image of quarter Array Subsurface fault Video Water Lens Acoustic beamsplitter Target

  12. Pulse Echo of Composite Laminate One inch

  13. Pulse Echo of Quarter One inch

  14. Camera Head Cutaway Source transducer Imaging Array Target LCD Acoustic Lens Beamsplitter

  15. B-scan versus C-scan Defect Defect

  16. Impact Damage in Composite Structure One inch Leading Edge Inspection

  17. Pulse Echo of Honeycomb Composite One inch

  18. Range Gating Gate 1 Gate 2 Gate 3

  19. Range Gating for Depth: Pick the C-scan plane of interest

  20. “Transparent” A-scan Sensor Integrated A-scan for Flaw Detector Functionality

  21. Presentation of Imagery and A-scan/ Match Gates Set A-scan gates, automatically changes C-scan gates

  22. Production Scanning Results: ATK Thiokol Hex nut and paper clip placed on surface Graphite/epoxy laminate defect standard with embedded Teflon wafers

  23. UT camera scan with stitching algorithm applied - 0.3” scan increment Conventional immersion scan - 2.25 MHz, 0.25” diameter transducer - 0.075 scan increment

  24. Gridlines/Sizing

  25. Future Developments: Pulse Echo Handheld portion goes from 4 lbs. to 2 lbs.

  26. Current Development: ‘Camcorder’ Handheld Focus with finger Strap Grip Handheld portion goes from 4 lbs. to under 2 lbs.

  27. New Control Unit

  28. Current Development: ‘Camcorder’ Handheld

  29. 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)

  30. Future Developments: Through Transmission

  31. 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

  32. Remote Wireless NDI Program C-scan, A-scan, Audio, Video of inspection Audio, Control of camera

  33. 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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