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EM-Tec TEM grid holders for SEM

TEM samples are very thin and therefore do not exhibit signal originating from bulk. This enables improved surface imaging and increased spatial resolution. These are clear advantages for SEM/EDX studies of thin films, fine dispersions, inclusions, precipitations and low-Z materials. An SEM or rather FESEM can also be used to check TEM samples or lamellas made with a FIB before inserting in a TEM.
There are two methods of imaging TEM samples and they require differetn type of TEM grid holders:

  • surface imaging and investigation require TEM grid holders
  • STEM imaging which requires a special TEM grid holder with integrated conversion plate

EM-Tec TEM grids holders enable investigation of TEM samples in an SEM. An EM-Tec grid holder can also be used to quickly check the specimen (after FIB procedures) before investigating it with a TEM. EM-Tec grid holders are intended for use in an SEM, Auger, SIMS and light microscopes. They are all precision machined from vacuum grade aluminium.

There are four types of EM-Tec TEM grid holders:

  • EM-Tec TG4 pin stub based TEM grid for up to four TEM grids. Numbered positions with machined pockets and side grooves for loading/unloading the TEM  grids. The TEM grids are clamped down by the top plate and a central brass screw. Through hole size is Ø2.1mm with a 60° side angle on top and base to reduce electron and X-ray scattering interference from the holder. Available in aluminium and copper. Overall size is Ø18×3.2mm with a 15mm long standard 3.2mm pin. The longer pin creates a distance from the stage adapter to reduce electron and X-ray signals from the SEM stage. Additionally available with stub adapters for Hitachi M4 thread and JEOL Ø 12.2 and Ø 25mm stubs.
  • EM-Tec TG6 pin stub based TEM grid for up to six TEM grids. Numbered positions with machined pockets and side grooves for loading/unloading the TEM grids. The TEM grids are clamped down by the top plate and a central brass screw. Through hole size is Ø2.1mm with a 60° side angle on top and base to reduce electron and X-ray scattering interference from the holder. Available in aluminium and copper. Overall size is Ø25×3.2mm with a 15mm long standard 3.2mm pin. The longer pin creates a distance from the stage adapter to reduce electron and X-ray signals from the SEM stage. Additionally available with stub adapters for Hitachi M4 thread and JEOL Ø 12.2 and Ø 25mm stubs.
  • EM-Tec PS11 mini pin stub holder for a single TEM or FIB grid. TEM grid rim rests on a ledge; in the middle of the cavity there is dimple to provide a non-touching area for the mesh of the grid. Groove is provided for easy loading/unloading of the TEM grid with fine tweezers. The TEM grid is not clamped. This holder is used for quickly checking a TEM grid in the SEM or as a TEM grid holder for a carbon evaporator.
  • EM-Tec PS14 mini pin stub holder for four TEM or FIB grids. TEM grid rim rests on a ledge; in the middle of each cavity there is dimple to provide a non-touching area for the mesh of the grid. Grooves are provided for easy loading/unloading of the TEM grids with fine tweezers. The TEM grids are not clamped. This holder is used for quickly checking  up to four TEM grids in the SEM or as a grid holder for a carbon evaporator.

All four types of EM-Tec TEM grid holders are only available with a standard 3.2mm pin. They can be used on other SEMs, when an EM-Tec SEM stub adapter is used.

Capacity, size and compatibility of the pin based EM-TEM grid holders:

Product numbers

Name

Capacity

Dimensions w/o pin

Grid holding method

SEM stage compatibility

12-000279

EM-Tec TG4

4 x 3.05 TEM grid

Ø18×3.2mm

Clamped

Standard 3.2mm pin

12-002279

EM-Tec TG4C

4 x 3.05 TEM grid

Ø18×3.2mm

Clamped

Standard 3.2mm pin

12-000379

EM-Tec TG4H

4 x 3.05 TEM grid

Ø18x27mm

Clamped

M4 thread

12-000579

EM-Tec TG4J

4 x 3.05 TEM grid

Ø18x22mm

Clamped

JEOL Ø12.2mm

12-005279

EM-Tec TG4J2

4 x 3.05 TEM grid

Ø25x22mm

Clamped

JEOL Ø25mm

12-002276

EM-Tec TG6

6 x 3.05 TEM Grid

Ø 25 x 3.2 mm

Clamped

Standard 3.2mm pin

12-002476

EM-Tec TG6C

6 x 3.05 TEM Grid

Ø 25 x 3.2mm

Clamped

Standard 3.2mm pin

12-002376

EM-Tec TG6H

6 x 3.05 TEM Grid

Ø 25 x 27mm

Clamped

M4 thread

12-005176

EM-Tec TG6J

6 x 3.05 TEM Grid

Ø 25 x22 mm

Clamped

JEOL Ø12.2mm

12-005276

EM-Tec TG6J2

6 x 3.05 TEM Grid

Ø 25 x 22mm

Clamped

JEOL Ø25mm

10-002211

EM-Tec PS11

1 x 3.05 TEM grid

Ø12.7×3.2mm

gravity

Standard 3.2mm pin

10-002214

EM-Tec PS14

4 x 3.05 TEM grid

Ø12.7×3.2mm

gravity

Standard 3.2mm pin

1- (#12-000279)EM-Tec TG4 pin stub based TEM grid holder for up to four 
TEM grids. The longer pin creates a distance from the stage 
adapter to reduce electron and X-ray signals from the SEM stage. 

2-The TEM grids are clamped down by the top plate and a central brass screw.
Through hole size is Ø2.1mm with a 60° side angle on top and base to reduce
electron and X-ray scattering interference from the holder. 

3-Top plate removed; numbered positions with machined pockets and
side grooves in the base  to facilitate loading/unloading the TEM grids with
fine pointed tweezers.