North Star Imaging, Inc.
CT Acquisition
Technique Sheet

Xray source:			Hamamatsu L12161-07 [MU-0768]
	voltage:			150 kV
	current:			100 µA
	focal spot size:		7 microns
	focal spot mode:	Medium

Detector:			Varian [C:\IMAGERs\518S05-0602]
	pixel pitch:		[254 x 254] microns
	mode:			00_2x20.5pFVG1
	gain:			n/a
	binning:			n/a
	framerate:		20 fps (50 ms integration time)

	flip:			vertical
	rotation:			180 degree
	crop:			(l,t,r,b)=(20,20,20,20) pixels
	roi:			768x960+0+0

	defect map:		none
	offset map:		0.0525, dev 0.0304, 3600 fravg, 20 fps (acquired 12/17/2019 2:01:28 PM)
	gain map 0:		0.798, dev 0.0535, 3600 fravg, 20 fps (acquired 12/17/2019 2:04:38 PM)
	gain map 1:		0.344, dev 0.0243, 3600 fravg, 20 fps (acquired 12/17/2019 2:07:41 PM)
	gain map 2:		0.15, dev 0.0111, 3600 fravg, 20 fps (acquired 12/17/2019 2:10:44 PM)

Distances:
	tube to detector:		602.612 [mm] (FDD)
	tube to part:		355.605 [mm] (FOD)
	calculated Ug:		0.004862 [mm](0.0191 pixels)
	zoom factor:		x1.69

Fixturing:			
Filter:				

CT Scan:
	project name:		D:\New folder (2)\King_Penguin_K203_ABI_Mdgscr.nsipro
	type:			VorteX continuous
	# projections:		6148
	# frames averaged:	none
	# skip frames:		2
	monitor xray down:	n/a
	vortex top:		Table up/down: -337.987 [mm]
	vortex bottom:		Table up/down: -181.202 [mm]
	helical pitch:		13.0654585361481 [mm]
	helical revs:		12 revs, 4320 [degrees]
	helical sets:		3 sets, 52.2618341445923 [mm] / set
	start:			12/17/2019 2:42:57 PM
	end:			12/17/2019 2:58:43 PM
	duration:		15m45s

Geometric Unsharpness Custom Formula:
	Name			IQI Hole (mm)
	Expression		 0
	Value			 0

	Name			X Srb-Pixels (Hole)
	Expression		 3
	Value			 3

	Name			Y Srb-Pixels (Hole)
	Expression		 3
	Value			 3

	Name			Min Mag (mm)
	Expression		 Math.Sqrt(Math.Pow($HPixelsIQI ,2) + Math.Pow($VPixelsIQI,2)) * $Srb /$IQI_Hole_Diameter
	Value			 âˆž

	Name			Im Unsharpness
	Expression		 Math.Pow(Math.Pow($Ug,3) + Math.Pow(2.0*$Srb,3 ),(double)1/3) / $v
	Value			 452.02

Notes: