CheeTah M3 Mega

Large Area Hybrid Pixel Detector for Electron Microscopy

The CheeTah M3 Mega is ASI’s large-area pixel detector based on Medipix3 technology. The 1024 x 1024 pixel array gives the highest resolution images and diffraction patterns, while keeping the noiseless data acquisition and single electron detection sensitivity common to all of ASI’s CheeTah detectors, and even improving upon the readout speed. Due to the small pixel size and compact geometry, it can easily be adapted to many TEMs. The unprecedented resolution of the CheeTah M3 Mega opens up a range of new possibilities, such as diffraction on large proteins or beam sensitive materials.

Benefits

• High image resolution (1024 x 1024 pixels)

• High sensitive area coverage

• Fast data acquisition – up to 3000 fps (12 bit images)

• Single electron sensitivity

• High signal to noise ratio

• 24bit high dynamic range

• Noiseless data acquisition with energy thresholding

• Direct detection with DQE(0) > 0.9

• Synchronisation with microscope

• Radiation hard

Applications

The CheeTah M3 Mega is the detector of choice for applications that require highest resolution, especially in the field of electron diffraction:

• 3D electron diffraction

• Cryo-EM

• MicroED

• 4D-STEM

• Continuous rotation electron diffraction

• Protein crystallography

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