1. Real Time Ultrasound Camera for Industrial Applications Bob Lasser Imperium, Inc. Beltsville, MD

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. Sampling of Customers

4. Lack of trained NDT personnel Lack of trained NDT personnel Prevalence towards portable devices Prevalence towards portable devices Strong interest in imaging Strong interest in imaging Time and cost pressures Time and cost pressures Industry Needs for New NDT Device

5. A-scan, B-scan, C-scan

6. A-scan to B-scan Defect

7. B-scan versus C-scan Defect

8. Ultrasound Camera Developed to make ultrasonic testing simple High resolution Real time C-scan Large areas can be covered quickly Video presentation Free of artifacts, distortion Most imaging between 500 KHz and 10 MHz Same applications as conventional UT, only higher resolution

9. Imperium’s Patented Architecture Applies optical imaging techniques to ultrasound Optical Sensor (CCD) Lens Ultrasonic Sensor (2) F1 Acoustic Lens Acoustic Flashlight Flash Note: CCD means Charged Coupled Device Optical Architecture: Ultrasonic Architecture:

10. C-scan: Pitch Catch Source Lens set Array Target

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

12. Imaging Array Piezoelectric Layer Pre-amp/ detection Signal Conditioning Multiplexing Pin Grid Array Package Ultrasound (piezoelectric) material Read out integrated circuit (ROIC) Wire bonds 14,400 pixels

13. Handheld C-scan Camera

14. Graphical User Interface

15. Acoustocam i600 Camera Introduced in 2010 1.5 lbs. versus 4 lbs. (i500) 80% less parts Robust design LCD removed Easily changed transducers

16. Internal Inserts – 5 MHz One inch

17. C-scan Imagery: Front of Quarter Single camera with array: 120 x 120 Distance to target: 4” Field of view: 1” Frequency: 7 MHz Wavelength: 0.20 mm Resolution: 1”/120 pixels = 0.008” or 0.21 mm

18. Grid Lines/Sizing

19. Time Corrected Gain TCG off TCG on Threshold Crossed

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

21. Petrochemical Implementation

22. Petrochemical Applications Corrosion mapping  Pipes, storage tanks Crack detection Need simple, inexpensive easy to use device Minimal training Portable Wireless monitoring

23. Scanning & Stitching Make large mosaic images from smaller ones Capture both C-scan and thickness Uses encoder attached to side of camera

24. Stitching Algorithm 1 2 1 2 Individual Images Stitched Image Variable Weighting In Overlapped Area

25. Stitching Algorithm 1 2 70% Image 2 30% Image 1 70% Image 1 30% Image 2 50% Image 2 50% Image 1

26. Steel Imaging Ultrasound video: 3.5 MHz, 1” field of view Optical image

27. Mosaic Imaging : Creating Large Images From Smaller Ones

28. Corrosion Mapping C-scanOptical

29. Lack of trained NDI personnel Lack of trained NDI personnel Better quality control of NDI activities Better quality control of NDI activities Use by non-certified personnel Use by non-certified personnel SIMPLE, SIMPLE, SIMPLE SIMPLE, SIMPLE, SIMPLE Remotely monitored in real time Remotely monitored in real time Wireless Wireless Boeing approval spring 2011 Boeing approval spring 2011 Boeing Remote NDI Program

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

31. Remote NDI Demonstration

32. Global Inspection Product Development Award