Switchable Gain Advanced BSD
2 in 1 Detector - the latest development for PNDetector´s Advanced BSD
Close the gap between the fastest detection speed and the low signal operation in your SEM with PNDetector’s Switchable Gain Advanced BSD. State of the art scanning electron microscopes (SEMs) offer a broad spectrum of applications from high scan speeds to low signal operations. The Switchable Gain Advanced BSD allows you to scan your sample using this whole spectrum with the highest image qualities just by a single device. There is no need to reduce the scan speed for high gain settings or the low keV performance in high speed applications. A simple switch between this two different gain settings is enough to get all you need.
Key Features
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Two switchable gain settings:
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High resolution mode with gain amplification of 2x106 V/A
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High speed mode with gain amplification of 1x105 V/A
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Compatible to PNDetector’s BSD chips up to 150 mm²
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High vacuum compatible
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Superior signal to noise ratio
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High speed mode:
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Real TV speed navigation without reduced resolution
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High resolution mode:
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Detailed investigations down to 0.5 keV
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Broad range of support from bio science to high signal/high throughput applications
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To be combined with our SWG Main Amplifier as well as Retractable Arm
Graphical user interface of main amplifier MA-PN4-SWG equipped with two gain settings to be used with the Switchable Gain Advanced BSD. Gain 0: 1×10⁵ V/A, Gain 1: 2×10⁶ V/A
Two gain settings with values of 1×10⁵ V/A for high speed applications and 2×10⁶ V/A for low energy applications. They can be adjusted easily by PND’s Switchable Gain Advanced BSD
SEM image acquired with Switchable Gain Advanced BSD set at “high speed mode”, corresponding to gain setting of 1×10⁵ V/A. At a primary beam energy of 30 keV, the image acquisition is performed at a very high speed (down to 0.1 s per frame).
SEM image acquired with the same Switchable Gain Advanced BSD. This time, the detector is set at “high resolution mode”, corresponding to gain setting of 2×10⁶ V/A. A very high sensitivity is achieved even at primary energy beam down to 0.6 keV.
Particle analysis application: SEM images taken at high and very low beam energies just by a single click on the gain settings of the Switchable Gain Advanced BSD Software. There is no smearing effects between single pixels in single frame shots at high energies.
Bio science application: observe beam sensitive samples with superior quality. SEM image taken from a biological tissue at 1 keV beam energy
Choose the geometry that fits your needs:
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The SWG-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 SWG-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 SWG-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 SWG-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 SWG-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 SWG-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