WidePIX ®2(1)x5

Large Area Camera

The camera consists of 2(1)x5 or chip tiles. Each tile is a single Timepix hybrid detector (256 x 256 pixels) with edgeless silicon sensor. The edgeless sensor technology allows placing all tiles tightly together from all sides. Thus the whole area of the WidePIX®2(1)x5 device is fully sensitive (there are no gaps). The arrangement of tiles in row is very advantageous for scanning of larger objects or for CT scanners where some parts of rotating object can leave field of view.

The camera length can be customised in steps of 5 chips. The camera also offer built-in Time-Delayed-Integration (TDI) for scanning in industrial applications.

Each pixel has integrated digital circuitry that counts number of particles (e.g. X-ray photons). The particle counting principle assures registration of radiation quanta without added noise (integration and readout noise is zero). The photon counting allows getting images with very high contrast and broad dynamic range (theoretically unlimited). Therefore even structure of low mass objects (e.g. plastic or soft tissue) is imaged at a high contrast.

The Timepix technology allows application of an energy threshold. This feature enables obtaining multichannel "color" or spectral radiographs. Different materials can be visualised in different colors (similar to color photography).

The minimum detectable is typically 5 keV in case of X-ray photons. The intrinsic spatial resolution of the camera is defined by pixel size which is 55 µm. The pixels situated on the border of tiles are 2.5 times larger in one direction. The corner pixels of tiles are 2.5 times larger in both directions.

The readout time is 50 ms per frame resulting in 20 frames per second.

 

 Technical Specs  
 Sensor Material:  Si or CdTe
 Sensor Thickness:  300 μm, 500 μm and 675 μm for Si; 1 mm for CdTe
 Sensitive Area:  70.4 mm X 14 mm (block 1x5 chips)
 Readout Speed:  20 frames/s
 Connectivity:  USB 2.0 
 Number of Pixels:  256 X 1280 (block 1x5 chips)
 Pixel Pitch:  55 μm
 Pixel Mode of Operation:  Counting, Time-over-Threshold, Time-of -Arrival
Continuous readout (TDI) Yes
 Minimum Detectable Energy:  5 keV for X-rays
 Threshoid Step Resolution:  0.1 keV
 Energy Resolution:  0.8 keV (THL) and 2 keV (ToT)
 Pixel Photon Counting Speed:  1e5 photons/s/pixel
 Readout Chip:  Timepix
 Resolution:  9 lp/mm
 Weight:  300 g
 Dimensions:  228 mm x 62 mm x 25 mm (L x W x H)
 Software:  Pixet and Pixelman

 

Contact Advacam for a further information or a quotation of the camera through the enquiries page.