400-6699-117转1000
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参考报价: | 面议 | 型号: | LEED/AES(内置挡板) |
品牌: | 暂无 | 产地: | 暂无 |
关注度: | 141 | 信息完整度: | |
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400-6699-117转1000
MCP-LEED (Micro-channel plate control electronics)
MCP-LEED采用了高灵敏度的多通道板设计,专门用于要求极低的一次电子束流的分析中,例如敏感材料、绝缘体等。
● 极低的一次电子束流,0.1 ~ 30 nA
● zei多两级多通道板
● 可视角度达70度
● 极低的噪声水平和极高的稳定性
LEED-AUGER OPTICS (Models BDL600IR and BDL800IR)
Glass-Display Fused silica glass coated with indium-tin oxide conductive layer and P31 phosphor ( ZnS:Ag:Cu-green, 525 nm wavelength)
BDL600IR......................... 90 angle of acceptance from sample at a distance of 50 mm
BDL800IR......................... 100 angle of acceptance from sample at a distance of 75 mm
Retarding Field Analyzer Concentric assembly of hemispherical grids
BDL600IR................ Working distance from sample 15 mm
BDL800IR................ Working distance from sample 18 mm
Grid Material.................. Gold coated tungsten wire mesh ( 100 mesh, 81% transparency)
Energy Resolution.......... 0.2% - 0.5% at low modulation volt.
Monitoring: 6” or 8” standard viewport
Linear Motion:Up to 150 mm retraction from sample (100mm standard); linear ball bearing and acme thread with all spring electr. connections
Integral Shutter : Open and close at any position of the linear motion
Magnetic Shielding : Mu-metal cylinder with front cover for maximum atteniuation
Assembly : Extreme-high-vacuum compatibility with stainless steel, high alumina and Au-plated copper alloy materials
Mounting : 6” (CF100) or 8”( CF150) double sided conflat flange with sample distance 145 mm -500 mm
Bakeability :Under vacuum, 250 C maximum
INTEGRAL MINIATURE ELECTRON GUN
Beam Energy : LEED - 5 eV to 750 eV
AES to 3000 eV
Beam Current :LEED - 2 uA at 100 eV and 0.5 mm beam size
AES - up to 100 uA at 3 keV
Beam Size :from 1 mm to 250 um - adjusted by wehnelt potential, limited by exchangeable aperture down to 50 um
Electron Source :Tungsten-2% Thoriated filament standard, single crystal LaB6 filament optional
Energy Spread :0.45 eV (tunsten-rhenium filament)
Overall Size : 10 mm lens diameter and 80 mm length
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注:该产品未在中华人民共和国食品药品监督管理部门申请医疗器械注册和备案,不可用于临床诊断或治疗等相关用途