Digital Radiography :

Main Specifications VDR 50

Digital Detector :

• Detector Technology: BPD CCD
• Scintillator : CsI / Gd2O2S2
• View Field : 17” X 17” / 17” X 14”
• Pixel Matrix : 4K X 4K, 16 Million Pixels
• Pixel Size : 108 μm.
• Limit Space Resolution : 4.6 lp / mm.
• Output Gray scale : 16 bit
• POD Technology : Double Pixel size to reduce the dose

Mechanical Specifications:

• Vertical Movement : 350 -1850mm
(Center of the detector)
• Maximum up and down speed : 60 mm/sec.
• Detector Rotation : 0 -270°.
• Maximum Rotation Speed : 12° / sec.

Main Functions of Workstation :

• Position Indicator
• Tissue Equalization
• Filter Correction
• Gray scale Transform
• Window / Level Adjustment
• Gamma correction
• ROI Equalization
• Black / White Reversion
• Image segmentation
• Mark
• Enhancement Etc.

X-RAY Generator :

• Max. Output Power 50 KW
• High Frequency : 40KHz
• Maximum KVP : 150 KVP
• Maximum mA : 630 mA
• X-Ray Filter control
• Anode launcher
• Automatic Exposure Control (AEC)
• Digital Image Control Interface : Custom design is available
• Communication Interface : RS-232 / RS-422
• Automatic input voltage compensation

Digital Radiography

Digital Radiography

Technology

High Energy X-Ray

Under plum bum cover the CCD chips and digital circuits are protected so detector works well chronically under the high energy x-ray without any damages. Compare with VDR, the flat panel detector that is directly under the x-ray exposure will be get damaged with 2-3 years.

Big size of pixel unit can be adjusted easily

Through precise pulse time control, we can adjust electron flowing through CCD unit and then basic size of pixel unit can be adjusted easily. The small pixel unit mode can obtain 4K x 4K, 108µm ultra high resolution image under normal dose. The big pixel unit mode can obtain 2K x 2K high quality image under ultra low dose.

100% Filling factor ensure no loss of information

Since we use single, big area CCD it has 100% filling factor. Compared with flat panel detector is spliced by several parts. There are 0.3 to 0.5 mm slits between the parts. So filling factor of the flat panel detector is 85% so loss of some information.

4K x 4K 16 M pixel, highest resolution in DR

4K x 4K 16 Mega pixel DR is the highest pixel matrix in the current international market. It can provide 17” x 17” field of vision 108µm fine information for doctors