增益可调背散射探测器
The newest developed version of 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 scarify the scan speed for high gain settings, and the low keV performance for 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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Low signal mode with gain amplification of 2x106 V/A
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High speed mode with gain amplification of 105 V/A
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BSE imaging down to 0.5 keV
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Image acquisition
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Detailed investigations
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Superior signal to noise ratio
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Real TV speed navigation without reduced resolution
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Compatible to all PNDetector’s BSD chips
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High vacuum compatible
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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 Main Amplifier as well as Retractable Arm
SEM image taken by Switchable Gain Advanced BSD at high speed mode with 30 keV beam energy. The gain setting of 1e + 05 V/A has been applied in this mode
[Translate to Chinese:] SEM image taken by Switchable Gain Advanced BSD at high gain mode with 6.0 keV beam energy. The gain setting of 2e + 06 V/A has been applied in this mode
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
[Translate to Chinese:] Two gain settings with values of 1e+05 V/A for high speed applications and 2e+06 V/A for low energy applications. They can be adjusted easily by PND’s Switchable Gain Advanced BSD
Graphical user interface of main amplifier MA-PN4 equipped with two gain settings to be used with the Switchable Gain Advanced BSD. Gain 0: 10^5 V/A, Gain 1: 2x10^6 V/A
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
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