A kind of preparation method of tem sample
A sample and sample stage technology, which is applied in the field of preparation of transmission electron microscope samples, can solve the problems of inability to quickly and efficiently prepare TEM samples, reduce the success rate of sample preparation, and prolong the sample preparation cycle, so as to shorten the sample preparation cycle and improve the preparation cycle. the same success rate, reducing the risk of fragmentation
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Embodiment 1
[0025] This embodiment is a TEM sample preparation method, the specific process is:
[0026] The first step is to prepare the primary sample: use diamond wire cutting to cut the primary sample from the CdZnTe wafer, the size is 3×3×2mm 3 , a total of 4 pieces, use alcohol to clean the wafer, and obtain 4 samples to be used;
[0027] The second step, preliminary thinning of the primary sample: use MTI Corporation's HEATING PLATE-250 model heating platform, set the temperature at 90°C, place a cylindrical sample platform with a specification of Φ40mm×15mm on the heating platform, and preheat it for 4 to 8 minutes , use a paraffin stick to smear the surface of the sample stage, place 4 primary samples on the surface of the sample stage coated with paraffin; remove the sample stage from the heating stage, and let it cool naturally at room temperature for 12 to 15 minutes. Use 2000# sandpaper to grind and thin the sample for 5-10 minutes, then use 5000# sandpaper to grind and thin...
Embodiment 2
[0034] This embodiment is a TEM sample preparation method, the specific process is:
[0035] The first step is to prepare the primary sample: use diamond wire cutting to cut the primary sample from the CdZnTe wafer, the size is 3×3×2mm 3 , a total of 8 pieces, use alcohol to clean the wafer, and obtain 8 samples to be used;
[0036] The second step, preliminary thinning of the primary sample: use MTI Corporation's HEATING PLATE-250 model heating platform, set the temperature at 90°C, place a cylindrical sample platform with a specification of Φ40mm×15mm on the heating platform, and preheat it for 4-8 minutes , use a paraffin stick to smear the surface of the sample stage, place 8 primary samples on the surface of the sample stage coated with paraffin; remove the sample stage from the heating stage, and let it cool naturally at room temperature for 12-15min. Use 2000# sandpaper to grind and thin the sample for 5-10 minutes, then use 5000# sandpaper to grind and thin the sample...
Embodiment 3
[0043] This embodiment is a TEM sample preparation method, the specific process is:
[0044] The first step is to prepare the primary sample: use diamond wire cutting to cut the primary sample from the CdZnTe wafer, the size is 3×3×2mm 3 , a total of 10 pieces, use alcohol to clean the wafer, and obtain 10 primary samples for use;
[0045] The second step, preliminary thinning of the primary sample: use MTI Corporation's HEATING PLATE-250 model heating platform, set the temperature at 90°C, place a cylindrical sample platform with a specification of Φ40mm×15mm on the heating platform, and preheat it for 4 to 8 minutes , use a paraffin stick to smear the surface of the sample stage, place 10 primary samples on the surface of the sample stage coated with paraffin; remove the sample stage from the heating stage, and let it cool naturally at room temperature for 12 to 15 minutes. Use 2000# sandpaper to grind and thin the sample for 5-10 minutes, then use 5000# sandpaper to grind ...
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