Advances in GE Digital Detector Array (DDA) Technology · PDF fileAdvances in GE Digital...
Transcript of Advances in GE Digital Detector Array (DDA) Technology · PDF fileAdvances in GE Digital...
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Advances in GE Digital Detector Array (DDA) Technology GE X-ray Forum, Cologne July, 2015
GE Healthcare Global X-ray Detectors
Waukesha, WI HW & SW Engineering
North Greenbush, NY
Design/process engineering Panel mfg & DDA assembly
PKI Santa Clara, CA (Contract Mfg)
Beijing, China HW & SW Engineering
DDA assembly
GE DDA architecture X-rays
Cesium Iodide (CsI)
Light
Amorphous Silicon Panel
(Photodiode/Transistor Array)
Digital Data
Electrons
Read Out Electronics
Glass substrate
Photolithographically Patterned Array
Multiplexing-based Readout Electronics
Amorphous Silicon Devices
Structured Scintillator
Manufacturing Flow Imager Panel Fabrication
Assembly & Testing
Scintillator Deposition Detector Piece of Glass
1
2
3 Photo Lithography
Pattern & Development
Thin Film Deposition
Pattern Strip
Inspect & Test
Pattern Etch
5
4 Process repeated multiple times
Endurance CsI
• Unique dopant composition/profile
• Specific process recipe + equipment
GE Endurance™ Scintillator
CsI Scintillator
a-Si array
Reflector
Glass
Substrate
Hermetic Cover
Epoxy Seal
X-ray Photon
• High brightness
• Low Ghosting
• Low “Gain Hysteresis”
Leveraging medical products for NDT
GEIT Product
Mammography
DXR-500L
Portable Radiography
DXR-250V Subsea DXR250C-W DXR250U-W
Vascular
DXR-250RT DXR-250RT+
Key considerations when adapting to industrial applications
• Packaging: modify for integration into NDT equipment
• Ruggedize: for portable use in tough environments
• Scintillator: “hardened” for high energy & dose
• Shielding/Design: Protect electronics from radiation
GEHC Product
GEHC FlashpadTM portable detector platform customized for NDT
GE Flashpad™
GEIT DXR250U-W 41cm Wireless
Extended temperature range
Ruggedized outer covers
802.11 WIFI communication with international approvals
Optional wired power & comms
GEIT DXR250C-W 20cm Wireless
GE collaboration with BP & Oceaneering Int’l.
GEHC portable RAD platform
pressure tested to 100’s of
meters
customized for pressurized
environment
Conclusion – GE Flat Panel Detectors
• GE has the knowledge and capability to optimize all
elements of detector design
• GE detectors are optimized for integration with GE
systems – enables premium image quality &
advanced applications
• A history of innovation … a platform for growth &
continuous advancement