OCI BDL450, Instruction Manual

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Chapter 2 Specifications 7
2 Specifications
2.1 LEED-AUGER Spectrometers Models
BDL800IR, BDL600IR, and BDL450
Mounting to Vacuum Chamber Double-sided CF flange of size:
BDL800IR 8” with M8 (5/16-24) threaded holes
BDL600IR 6” with M8 (5/16-24) threaded holes
BDL450 4.5” with M8 clearance holes
Sample distance must be specified by the user and may
range from 145–500 mm (580 mm for BDL450).
Monitoring Standard viewport of size:
BDL800IR 8”
BDL600IR 6”
BDL450 4.5”
Linear Motion (optional) Retraction of up to 150 mm (100 mm standard) from a sam-
ple.
Integral Shutter (optional) Manual shutter driven by a rotary feedthrough.
Glass-display
Fused silica coated with indium-tin oxide and P31 phosphor
(ZnS:Ag:Cu–

= 525 nm).
Angle of Acceptance BDL800IR 100° at a sample distance of 75 mm
BDL600IR 90° at a sample distance of 51 mm
BDL450 90° at a sample distance of 32 mm
Retarding Field Analyzer Concentric 4-grid assembly with analyzer working distance:
BDL800IR 18 mm
BDL600IR 15 mm
BDL450 10 mm
Grid Material Gold-coated tungsten wire mesh with 81% transmission.
Baking Conditions Under vacuum, maximum 250°C.