高级 STEM 探测器
A step beyond the limits: the newest 16-channel PNDetector’s Advanced STEM Detector
Expand your workflow with the new 16-channel STEM preamplifier which has been professionally integrated into the housing of our Standard STEM Detector and changed it to an ultra fast Advanced STEM Detector module. You can get the faster scan rates from every single channel and achieve a better image acqusition. There is no need to connect your STEM detector in the SEM chamber to the electronics outside the chamber via long cables. With PNDetector‘s Advanced STEM Detector you can achieve all you need inside the SEM chamber and get a higher throughput and signal to noise ratios.
Key Features
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Low noise
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Fast response time < 30ns
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Typical preamplifier gain of 105 V/A
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Compatible to all PNDetector’s STEM chips
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Vacuum compatible
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Compatible to PND Retractable Arm system

Selection of PND Advanced STEM Detectors

Signal fall time with PNDetector's 13-channel Advanced STEM type ADV-STM-22-4-3-CH20

Advanced STEM gain vs. electron landing energies on the detector (Preamplifier Gain: 1×10⁵ V/A)

SEM images von Carbon nanotube clusters taken with ADV-STEM-22-4-3-BF05. The 13-channel Advanced STEM module provides the detailed and individual information of the surface using different channels in correspond fields.
Choose the geometry that fits your needs:
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The ADV-STEM-22-4-3-BF15 Detector (4 cells)
22 mm outer diameter
3 rings with 4 segments per ring bonded together
1.5 mm diameter bright field (BF)
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The ADV-STEM-22-4-3-CH20 Detector
22 mm outer diameter
3 rings with 4 segments each
2 mm diameter central hole (CH)
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The ADV-STEM-22-4-3-CH05 Detector
22 mm outer diameter
3 rings with 4 segments each
0.5 mm diameter central hole (CH)
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The ADV-STEM-22-4-3-BF15 Detector
22 mm outer diameter
3 rings with 4 segments each
1.5 mm diameter bright field (BF)
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The ADV-STEM-14-1-3-BF05 Detector
14 mm outer diameter
3 rings with 1 segment each
0.5 mm diameter bright field (BF)
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The ADV-STEM-10-4-2-BF05 Detector
10 mm outer diameter
2 rings with 4 segments in each ring
1.5 mm diameter bright field (BF)
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The ADV-STEM-10-4-2-CH05 Detector
10 mm outer diameter
2 rings with 4 segments in each ring
0.5 mm diameter central hole (CH)
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The ADV-STEM-10-4-1-CH05 Detector
10 mm outer diameter
1 ring with 4 segments
0.5 mm diameter central hole (CH)