Technical Specifications

The pnCCD Camera

• pnCCD with 264 x 264 pixels

• Readout speed: 1 000 fps (full frame) new in  2019: 2000 fps (full frame)

• Up to 20 000 fps (windowing/binning mode)

• Radiation hard Lead shielded camera head (bottom mount)

Parameter	pnCCD properties
Physical pixel size	48 µm × 48 µm
Active thickness	450 µm
Number of physical pixels	264 × 264= 69 696 plus frame store area
Number of subpixels	1 320 × 1 320= 1.75 × 106 resolution points
Active area	12.7 mm × 12.7 mm (161 mm2)
Binning modes (examples)	2-fold binning: 264 × 132 pixels (2 000 fps) 4-fold binning: 264 × 66 pixels (4 000 fps)
Windowing modes (examples)	132 × 264 pixels (2 000 fps) 24 × 264 pixels (10 000 fps)
Image integration time	down to 25 µs
Pixel readout rate	up to 70 MegaPixels/s
External trigger	yes (accepts up to 4 triggers)
Signal (per 80 keV primary electron)	22 000 signal electrons
Readout noise (RMS)	Typically 30 signal electrons
Sub-pixel spatial resolution	Δx < 10 µm (rms) for 80 keV TEM electrons
Charge handling capacity	up to 400,000 signal electrons per pixel