Pointers on Tomography Holders

To accommodate the full range of tomography applications, Gatan has produced a complete portfolio of tomography holders. All maximize the visible area at the highest possible tilts. The range includes single axis, dual axis, cryo-transfer and narrow gap pole piece versions. Weight and off axis mass is kept to a minimum to optimize goniometer performance.

Here are a few pointers to obtain the best results from your tomography acquisition.

Pointer 1: Take images with a smaller angle between them at higher tilts. This makes tracking easier where the specimen is moving furthest.

Pointer 2: Take a low magnification locating image for each axis before acquiring a dual axis tomogram. This will make locating the same area or particle much easier once the specimen is rotated.

Pointer 3: Acquire tomograms from particles near to the centre of the grid if possible to ensure the highest tilt angles before shadowing.

Pointer 4: Do not tilt a recently filled cryo-transfer holder to high tilts immediately. Blow out some nitrogen before starting to avoid a shower of liquid nitrogen.

For complete information on Gatan’s line of tomography holders, click here.
For ordering and pricing information, please contact your local Gatan Sales office.

*URP is a JEOL trademark
*Ultra-Twin is a FEI trademark