EM-Tec TEM grid holders and STEM imaging holders
Order EM-Tec ST1 STEM imaging holder (pin) | Order EM-Tec ST1 STEM imaging holder (M4)
Imaging TEM samples in the SEM
EM-Tec TG4 pin stub based TEM grid holder for up to four TEM grids 1- (#AU-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. |
TEM samples are very thin and therefore don't 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 grid holders for surface imaging and EDX analysis with an SEM
The EM-Tec TEM grids holders enables investigating TEM samples in the SEM. They are intended for use in table top SEMs, laboratory grade SEMs, FESEMs, Auger, SIMS and light microscopes. The EM-Tec grid holder can also be used to quickly check the sample (after FIB procedures) before investigating it with a TEM. The EM-Tec grid holders are intended for use in an SEM, Auger, SIMS and light microrcopes. They are all precision machined from vacuum grade aluminium. There are three EM-Tec TEM grid holders:
- EM-Tec TG4 pin stub based TEM grid holder 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. Overall size is Ø18x3.2mm 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.
- 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 three 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 EM-Tec ST1 STEM imaging holder:
Product numbers |
Name |
Capacity |
Dimensions w/o pin |
Grid holding method |
SEM stage compatibility |
AU-12-000279 |
EM-Tec TG4 |
4 x 3.05 TEM grid |
Ø18x3.2mm |
Clamped |
Standard 3.2mm pin |
AU-10-002211 |
EM-Tec PS11 |
1 x 3.05 TEM grid |
Ø12.7x3.2mm |
gravity |
Standard 3.2mm pin |
AU-10-002214 |
EM-Tec PS14 |
4 x 3.05 TEM grid |
Ø12.7x3.2mm |
gravity |
Standard 3.2mm pin |
EM-Tec ST1 STEM imaging holder
EM-Tec ST1 STEM imaging holder | Cobalt nano particles monolayer dispersion |
The EM-Tec ST1 STEM imaging holder facilitates STEM imaging of TEM samples in an SEM or FESEM. The EM-Tec ST1 STEM imaging holder uses the Everhart-Thornley SE detector in the SEM chamber. The TEM grid is placed in the STEM imaging holder and de holder is positioned under the electron beam (typically in de centre of the SEM stage). The TEM sample is scanned with the electron beam and the STEM image is formed by converting the transmitted electrons, which hit the platinum conversion plate, into secondary electrons. The secondary electrons (holding the STEM image information) are collected by the SE detector in the sample chamber. It is advised to use high accelerating voltages (25-30kV) and thin samples to increase the transmitted electron signal. The STEM imaging detector is provided with a black conductive plastic electron absorption sleeve which is placed between the polepiece and the EM-Tec ST1 STEM imaging holder. The sleeve absorps the secondary and backscattered electrons emitting from the sample surface.
Constructed from vacuum grade aluminium, brass TEM grid holder, platinum electron conversion plate and conductive plastic sleeve. Platinum is used for the conversation due to its high secondary electron signal, stability and corrosion resistance. The STEM imaging holder provides a genuine signal from the converted transmitted electrons, resulting in high contrast STEM imaging
Capacity, size and compatibility of the EM-Tec ST1 STEM imaging holder:
Product numbers |
Name |
Capacity |
Dimensions w/o pin |
Grid holding method |
SEM stage compatibility |
AU-12-000280 |
EM-Tec ST1 |
1 x 3.05 TEM grid |
19x15x29.5/37.5mm* |
Clamped |
Standard 3.2mm pin |
AU-12-000380 |
EM-Tec ST1 |
1 x 3.05 TEM grid |
19x15x29.5/37.5mm* |
Clamped |
M4 thread |
*) The height of the EM-Tec ST1 STEM imaging holder is 29.5mm; with the electron absorption sleeve the height increases to 37.5mm.
The EM-Tec ST1 STEM imaging holder is a cost effective method to add STEM capabilities to your SEM for a fraction of the cost of a dedicated STEM holder and detector for your SEM. The STEM imaging holder image quality rivals that of a dedicated STEM detector system. The limiting factors are sample thickness and accelerating voltage of the SEM.
Ordering Information for EM-Tec TEM grid holders and EM-Tec ST1 imaging holder for SEMs using pin stubs; FEI, Philips, Tescan, Phenom, Aspex, RJLee, AmRay, Cambridge Instruments, Leica, CamScan, ETEC and Novascan SEMs.
TEM grid holders
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EM-Tec TG4 TEM grid holder securely holds up to 4 TEM grids, ����18x3.2mm, pinSKU: AU-12-000279Units Per Package: 1From: $142.92
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EM-Tec ST1 STEM imaging holder for TEM/FIB grids, pinSKU: AU-12-000280Units Per Package: 1From: $1,662.79
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EM-Tec TG4H TEM grid holder securely holds up to 4 TEM grids, ��18x3.2mm, aluminium, with Hitachi M4 stub adapterSKU: AU-12-000378Units Per Package: 1From: $217.66
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EM-Tec ST1 STEM imaging holder for TEM/FIB grids, M4SKU: AU-12-000380Units Per Package: 1From: $1,662.79
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EM-Tec TG4J TEM grid holder securely holds up to 4 TEM grids, Ø18x3.2mm, aluminium, with JEOL Ø12.2mm stub adapterSKU: AU-12-000579Units Per Package: 1From: $179.36
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EM-Tec TG4J2 TEM grid holder securely holds up to 4 TEM grids, ��18x3.2mm, aluminium, with JEOL ��25mm stub adapterSKU: AU-12-005279Units Per Package:From: $0.00
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EM-Tec PS11 mini pin stub grid holder for 1 x TEM grid, Ø12.7x3.2mm, pinSKU: AU-10-002211Units Per Package: 1From: $38.75
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EM-Tec PS14 mini pin stub grid holder for 4 x TEM grids, Ø12.7x3.2mm, pinSKU: AU-10-002214Units Per Package: 1From: $48.69
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EM-Tec TG4C TEM grid holder securely holds up to 4 TEM grids, Ø18x3.2mm, copper, pinSKU: AU-12-002279Units Per Package: 1From: $282.14