KARMEN™ - retractable BSE detector for hot stage

Key properties
RELIABLE SENSOR | PRECISE MECHANICS |
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Heat management
SENSOR HEAT MANAGEMENT
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SENSOR SHIELDING
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Technical parameters
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SENSOR UNIT
single crystal scintillator with optimized efficiency and minimized afterglow, exponential decay time 45 ns with 30 photons/keV Outer diameter 15 mm Inner hole diameter 3 / 2 / 1.5 or 1 mm. This dimension limits the field of view Sensitivity down to 10pA beam current Allows a 7 mm working distance |
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MECHANICAL UNIT
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Dimensions 406 x 100 x 72 mm Bellows design for ultimate vacuum 140 mm motorized retraction +/- 2 mm fine adjustment in x, y, z axis 0.01 mm repeatability Flange adapted to customer's SEM Silver / black / blue / red matt surface finish available |
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ELECTRONICS CONTROL UNIT
Dimensions 270 x 180 x 65 mm Supply 230/110 V 3 noise filters optimized for different scanning speeds 50 MHz bandwidth Internal source 0-1200 V for PMT HV Output video signal -1/+1V (-5/+5V) Full remote software control DC offset up to -20V |
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