high resolution, low cost ultrasound camera for in-service composite ndi robert lasser, marvin...
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![Page 1: High Resolution, Low Cost Ultrasound Camera for In-service Composite NDI Robert Lasser, Marvin Lasser, Ron Westernik, John Kula, David Rich Imperium, Inc](https://reader034.vdocuments.mx/reader034/viewer/2022051412/55180ec4550346a0438b46c9/html5/thumbnails/1.jpg)
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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Medical Image of Finger:
Easy-to-Interpret Image Examples
Industrial Detection of Fault:
Imperium Conventional
Defect
Bone
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Industry Sectors
IndustrialIndustrial
UnderwaterUnderwater
BiometricsBiometrics
MedicalMedical
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Sampling of Customers
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Imperium ArchitectureApply optical imaging techniques to ultrasound
Optical Sensor
Lens
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Imperium Architecture
Ultrasound Sensor Acoustic Lens Set Acoustic Flashlight
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Through Transmission
Source TransducerTargetAcoustic Lens Imaging Array
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Imaging Array
Piezoelectric Layer
Pre-amp/ detection
Signal Conditioning
Multiplexing
Pin Grid ArrayPackage
Ultrasound (piezoelectric)
material Read out
integrated circuit(ROIC)
Wire bonds
I500 to I600
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Through Transmission of Composite Laminate
Three inches
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Sound Sound TransmitterTransmitter
ArrayArray
VideoVideo
LensLens
TargetTarget
Subsurface Subsurface faultfault
Pulse Echo – 50/50 Beamsplitter
Pulse echo image of quarter
Acoustic Acoustic beamsplitterbeamsplitter
WaterWater
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Pulse Echo of Composite Laminate
One inch
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Pulse Echo of Quarter
One inch
Front_of_quarter_1.mpg
Front_of_quarter_1.mpg
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Beamsplitter
Source transducer
Target
Imaging Array
LCD
Acoustic Lens
Camera Head Cutaway
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B-scan versus C-scan
Defect
Defect
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Impact Damage in Composite Structure
Leading Edge Inspection
One inch
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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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“Transparent” A-scan Sensor
Integrated A-scan for Flaw Detector Functionality
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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
Graphite/epoxy laminate defect standardwith embedded Teflon wafers
Hex nut and paper clip placedon surface
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UT camera scan with stitchingalgorithm applied - 0.3” scan increment
Conventional immersion scan - 2.25 MHz, 0.25” diameter transducer - 0.075 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
Handheld portion goes from 4 lbs. to under 2 lbs.
Focus with finger
Strap
Grip
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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
2
2
3
3
1
Increments to be selected by user (e.g. 1 mm)
Blue: Level 1
Red: Level 2
Yellow: Level 3
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Future Developments: Through Transmission
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Lack of trained NDI personnelLack of trained NDI personnel Use by non-certified personnelUse by non-certified personnel SIMPLE, SIMPLE, SIMPLESIMPLE, SIMPLE, SIMPLE Remotely monitored in real timeRemotely monitored in real time WirelessWireless Program began in early 2007Program began in early 2007
Boeing Remote NDI Program
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Remote Wireless NDI Program
C-scan, A-scan, Audio, Video of inspection
Audio, Control of camera
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Successful demonstration Fall 2008Successful demonstration Fall 2008 Equipment at Boeing’s Everett, WA Equipment at Boeing’s Everett, WA
production facilityproduction facility Remotely monitored at Boeing’ Remotely monitored at Boeing’
GoldCare center in Seattle, WAGoldCare center in Seattle, WA Pilot program with airlines during 2009Pilot program with airlines during 2009
Boeing Remote NDI Program
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