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Thermo Fisher Scientific

Flucam image noisy in high resolution and EFTEM

Issue

image noisy in high resolution and EFTEM

Environment

Krios G3i

Resolution

These are possible resolutions for the issue:

  • update FluCam firmware

Cause

These are possible causes for the issue:

  • FluCam firmware

Details

Sample can't be seen when it is in focus under HR and EFTEM due to noisy Flucam image. If under focusing a lot, the sample is seen again.

Action take
Make sure the Fucam diaphragm is completely open.
Focus Flucam as best as much on beam stop.
Suspect Flucam firmware version.

Solution
Check network setting refer to WI 1054252, page 9.Jumbo packet and performance opinion.

Verify and update Flucam firmware using Flucam firmware tool refer to WI 305709.

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