Tangential X-Ray CT Scanner

Now, there's faster and more powerful method to acquire Volume x-ray CT/DR data
 
True Volume Scanning - 10ºÐ À̳»¿¡ 256CT Slices data
Line Array of 256 Solid Detectors - 18bits ÀÌ»óÀÇ Detector system dynamic range
23bits Detector system dynamic range
Smaller Data files - Tangential TechniqueÀ» ÀÌ¿ë, ÆÄÀÏ Å©±â¸¦ ÃÖ¼ÒÈ­
Totally artifact free CT images - °¢ CT slice µ¥ÀÌÅÍ´Â ´Ü ÇÑ °³ÀÇ detector·ÎºÎÅÍ ÆòÇàÇÑ µ¥ÀÌÅÍÀÌ´Ù.
Faster Scan time - Single pass volume scanning : Rolling Object motion
through the X-Ray Beam : No start/stop between multiple passes or multiple CT slices
Flexible Performance - Number of Views & Rays software controlled
Contrast Resolution - In DR mode 2%-2T through 5" steel with 420KV
Variable Spatial Resolution - Computed Tomography mode ;
Digital radiography mode ;
Tangential Scanning mode;
Circular Scanning mode
 
Picture of Tangential CT System
±×¸²ÀÇ ¿À¸¥ÂÊ¿¡ Pantack 420KV X-Ray tube ÀåÂø 2.5" µÎ²²ÀÇ Pb collimator°¡ ÀÖ´Â 256°³ ä³ÎÀÇ detector´Â ¼öÁ÷À¸·Î ÀåÂøµÇ¾îÀÖ´Ù.
Tangential CT System
256ä³ÎÀÇ °íü »óÅÂÀÇ ¼±Çü detector array´Â ȸÀüÃàÀÇ ¼öÆòÀ¸·Î À§Ä¡ÇØ ÀÖ´Ù.
°¢ detector ä³ÎÀº ´Ù¾çÇÑ slice levelsÀÇ ±¸Á¶¹°À» ÅëÇØ x-ray°­µµ¸¦ Á¤È®È÷ ÃøÁ¤ÇØ ³»¸ç ÇÑ °³ÀÇ CT slice¿¡ ´ëÇØ ¼öÁýÀ» ÇÏ°Ô µÈ´Ù.
Detectors array´Â ¸Å¿ì ³ôÀº S/NÀ» °¡Áö°í ÀÖ´Ù.
DR ¸ðµå¿¡¼­´Â 2%-2TÀ» ¼öÇàÇÒ ¼ö ÀÖ´Ù.
 
 
CT systemÀÇ ¸ðµç detectors´Â °¢ CT slice¿¡ ´ëÇØ µ¥ÀÌÅ͸¦ ¼öÁýÇÑ´Ù. ¶ÇÇÑ µ¥ÀÌÅÍ´Â Çѹø¿¡ ÇÑ °³ÀÇ CT slice¿¡ µ¥ÀÌÅ͸¦ ¼öÁýÇÑ´Ù. ÀÌ·¯ÇÑ ½Ã½ºÅÛÀº ¿©·¯ ºÐ¾ß¿¡ Àû¿ë ÇÒ ¼ö ÀÖ´Ù.
´ÜÁö ÇÑ °³ÀÇ detector·Î °¢°¢ÀÇ CT slice¿¡ ´ëÇØ ¸ðµç µ¥ÀÌÅ͸¦ ¼öÁýÇϰí, ´Ù¸¥ detectors´Â µ¿½Ã¿¡ ´Ù¸¥ slices¿¡ ´ëÇØ µ¥ÀÌÅ͸¦ ¼öÁýÇÑ´Ù.

¸¹Àº µ¥ÀÌÅÍ´Â °ø±â¸¦ ÅëÇØ ¼öÁý ¶§±â ¶§¹®¿¡ °¢ detector´Â Àüü °Ë»ç¹°À» ÅëÇÑ ¸ðµç ºöÀ» ¼öÁýÇÒ ¼ö ÀÖ´Ù. À̰ÍÀº ½Ã°£°ú µ¥ÀÌÅÍ ÆÄÀÏÀÇ °ø°£À» Å©°Ô °¨¼Ò ½ÃŲ´Ù. Áï ´ÜÁö ÇÇ °Ë»çüÀÇ µ¥ÀÌÅ͸¸ ¼öÁýÇÒ »ÓÀÌ´Ù.

 
System Componets
256 channel solid state detector array with 7 bits of external selectable post gain
Linear Motor based 30" Translate stage and Worm Gear Rotary Stage combination
420KV high frequency constant potential x-ray system
PC based 16bit Analog-to-digital conversion system
Automated detector gain calibration system for up to 5" steel thickness
PC computer
Windows based data collection software
Windows based 3-D data display and analysis software for raw Tangential data
Windows based individual CT slice reconstruction software
Windows based 3-D data display and analysis software reconstructed CT data
Windows based 3-D multi-planer CT and Tangential data display.
SYSTEMS PERFORMANCE
Digital radiography mode : 2%-2T through 5" thick steel
Tangential radiography mode : Detects 0.005" Unbond openings
New generation Computed Tomography : Single Pass 3-D Volume Data Collection
Typical Volume Data Collection : 16" Diameter 26" Tall part, 400lbs weight; Àüü °Ë»ç ½Ã°£ 10À̳».
Display and Data Analysis : 3-D Data Display, CT À̹ÌÁö º¹¿ø.
 
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piston

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3.25"thick steel with 0.050"penny
The line profile through 2T hole in the penny
5"thick steel with 5.0"penny
4" thick steel with 0.050" penny and 0.025" steel sheet with series of 0.120" hole
2%-2T through
5" thick Steel @ 350KV
 
 
Scan of a Rocket Motor with Unbonds and small Wires
 
3-D View of the Tangential Data of a Rocket Motor




Tangential View i.e. Raw Data
(one of 200 such views)




Radiographic View i.e. Vertical cross section through Raw Data Set
(one of 600 such views)




Sinogram View i.e. Horozontal cross section through Raw Data Set
(one of 256 such views)
 
3D View of CT Reconstructed Images of Rocket Motor









Cross Sectional CT Slice Stack
(one of 256 such CT slices)







Coronal View i.e Vertical cross section through the CT Slice Stack








Sagital view i.e. Horizontal cross section through the CT Slice Stack
 
 
2" Diameter Steel Mold Release with 1/8" Diameter deep cooling channels






Tangential View









CT Reconstruction






Sinogram View
 
 
Scan of 5" Cast Ductile Iron (CDI) Projectile with porosity
 
3-D View of the Tangential Data of a Projectile




Tangential view i.e. Raw data
(one of 200 such views)




Radiographic view i.e. Vertical cross section through raw data set



Sinogram view i.e. Horizontal cross section through raw data set
(one of 256 such views)
 
3-D View of CT Reconstructed Images of the Projectile










Cross sectional CT slice stack
(one of 256 such CT slices)






Coronal view i.e. vertical cross section through the CT slice stack







Sagital view i.e. horizontal cross section through the CT slice stack
 
 
High Resolution CT Scanning with 0.025" Flat Ribbon Cable






Sinogram of one Detector













One of 256 CT Slice1" Dia Field Of View







Picture of Test Phantom