EMS MATERIALS SCIENCE & METROLOGY CATALOG 2019–20 EDITION TEM SUPPLIES


Choosing a TEM Window Grid Amorphous


Actual Thickness (nm) Image Quality


Plasma Cleanable Elemental Analysis


Background Thermal Stability Chemical Stability


Tolerates High


Beam Currents Potential


Contamination Source


Open Nanoscale Pores Background


No Featureless Yes Nanocrystalline


No No No No Featureless Featureless Featureless Featureless


TEM Window Grid Membrane Strength


All our membrane types and Membrane Window Strength - Differential Pressure Tolerance membrane area configurations have been robustness tested by application of differential pressure. In these tests, the membrane was oriented such that differential pressure forced the membrane against the chip frame. In the opposite orientation where the membrane would be delaminated from the chip frame, the pressure tolerance would be several times lower.


Pure Silicon 9 Windows


9 Small Windows 2 Slots


Single 25 Micron Nanoporous - 9 Windows


Nanoporous - Single 500 Micron Single Crystal - 9 Windows


Silicon Nitride 9 Windows


All values below are the maximum tolerated differential pressure reported as mean +/- standard deviation (n = 3), in units of PSI.


Window Sizes: 9 Windows:


(8) 100x100, (1) 100x350 micron


9 Small Windows:


(8) 50x50, (1) 50x350 micron 2 Slots:


(2) 50x1500 micron


Single Windows: (1) square window of x micron side-length


9 Small Windows 9 Large Windows 2 Slots


Single 25 Micron Single 100 Micron Single 500 Micron Single 1000 Micron


Microporous - Single 500 Micron Nanoporous - Single 500 Micron


Silicon Dioxide 9 Windows


G-Flat™ Single 1000 Micron Thickness


X-Ray Windows Single 500 Micron Single 1000 Micron Single 1500 Micron Single 2500 Micron


G-Flat™ Single 500 Micron G-Flat™ Single 1000 Micron


80 50 nm 100 nm


20.47 ± 0.33 24.40 ± 0.99 9.67 ± 0.12


5.60 ± 0.29 2.63 ± 0.05 13.13 ± 0.09


6.97 ± 0.25 4.07 ± 0.09


11.53 ± 0.12 200 nm 300 nm 20 nm 11.33 ± 0.37 5 nm


37.30 ± 3.08 6.53 ± 0.24


40+


9.90 ± 0.36 5.37 ± 0.37


5.33 ± 1.39


Thickness 40 nm


12.73 ± 0.68 2.93 ± 0.17 75 nm


25.13 ± 4.45 13.37± 1.25 7.80 ± 0.29 10.13 ± 0.52


10 nm Thickness


6.13 ± 2.00 11.57 ± 0.66


5 nm 2.30 ± 0.29


2.60 ± 0.99 2.53 ± 0.40 14.73 ± 2.61 35.33 ± 0.78


16.47 ± 0.95 3.33 ± 0.17


34.03 ± 1.07


20 nm 40+


50 nm 40+


9 nm


Thickness 15 nm


3.90 ± 0.71 11.57 ± 0.26 30 nm 35 nm Porous


Silicon Silicon 5, 9, 15 Excellent


15


Si Only ~600C


Avoid


Nanocrystalline Silicon Silicon Standard Dioxide


Nitride 20 & 40 5, 10, 20, 50 Si, O Si, N


Carbon 20-50


Yes Yes Yes Yes No Si Only


Strong Bases Strong Bases Excellent


C, H


>1000C >1000C >1000C ~400C Avoid


Excellent Ok None None None None


Good Excellent Good Ok Excellent Carbon


Ultrathin Carbon


~10


Good Ok Good Ok Good No


C, H


~400C Good


Excellent Carbon


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