Standard BSD Module
Get low signal capacitances and leakage currents with PNDetector’s Standard BSD
Our BSDs with different chip geometries and active areas ranging from 40 mm² to 150 mm² are the best choice for applications with fixed position setups below the pole piece of the SEM.
Key Features
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Very low dark currents below 1 nA
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Very low signal capacitance down to 3 pF
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Non-magnetic materials and low outgassing
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Optimized detector geometry for your application
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To be combined with our Standalone 4-Channel Preamplifier as a whole detector module. This preamplifier with the compact size of 33 mm x 29 mm x 5.5 mm is suitable for applications with restricted space around the BSD diode. It is equipped with two flex lead cables to be connected to our Standard BSD from one side and to the Main Amplifier from the other side
Compositional BSE images of a Raney nickel cross section observed at: left: 20 keV beam energy, right: 2 keV beam energy. At low keV areas of surface oxidation become visible which are not detected at higher beam energies
Geometric collection efficiency vs. distance between detector housing and specimen
Improvement of the Signal to Noise ratio measured for different primary beam currents, due to the optimized detector geometry
The Standalone 4-Channel Preamplifier equipped with two flex lead cables to be connected to any type of our Standard BSDs
Overview of the different types of PNDetector’s BSD chips:
Choose the geometry that fits your needs:
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The STD-BSD-40-4-1-10 Detector
40 mm² active area
4 segments and 1 ring
1 mm central hole diameter
4 segments and 1 ring
1 mm central hole diameter
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The STD-BSD-50-4-1-56 Detector
50 mm² active area
4 segments and 1 ring
5.6 mm central hole diameter
4 segments and 1 ring
5.6 mm central hole diameter
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The STD-BSD-80-4-1-20 Detector
80 mm² active area
4 segments and 1 ring
2 mm central hole diameter
4 segments and 1 ring
2 mm central hole diameter
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The STD-BSD-150-2-2-20 Detector
150 mm² active area
2 segments and 2 rings
2 mm central hole diameter
2 segments and 2 rings
2 mm central hole diameter
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The STD-BSD-150-4-1-50 Detector
150 mm² active area
4 segments and 1 ring
5 mm central hole diameter
4 segments and 1 ring
5 mm central hole diameter
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The STD-BSD-150-4-1-20 Detector
150 mm² active area
4 segments and 1 ring
2 mm central hole diameter
4 segments and 1 ring
2 mm central hole diameter
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The Standalone Preamplifier
Datasheet