Cambridge

The Cambridge Instrument Company located in Cambridge UK, was the first commercial manufacturer of Scanning Electron Microscopes.

Scanning Electron Microscopes

Cambridge SEM-1
	General Year 1953 Successor Stereoscan MKI Magnification Range Magnification Gauge Type Specemin Chamber Pressure Power Consumption System Weight	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage Stability Cathode Heating Methode Alignment Methode	Condensor Number of Condensor Lenses Current Stability Stigmator Aperture Condensor Alignment Lens Type	Stage Stage Type Non Eucentric Specimen Loading Sample Holder Type X, Y Travel Range Z Travel Range Tilt Range Rotation Range Drive Mechanism Micrometer Screw (Hand Operated)	Objective Lens Working Distance Spherical Error Current Stability Stigmator Deflection Type Point Resolution Lens Type Electromagnetic

Stereoscan MKI
	General Year 1965 Successor Stereoscan MKII Magnification Range Magnification Gauge Type Specemin Chamber Pressure Power Consumption System Weight	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage Stability Cathode Heating Methode Alignment Methode	Condensor Number of Condensor Lenses Current Stability Stigmator Aperture Condensor Alignment Lens Type	Stage Stage Type Non Eucentric Specimen Loading Sample Holder Type X, Y Travel Range Z Travel Range Tilt Range Rotation Range Drive Mechanism Micrometer Screw (Hand Operated)	Objective Lens Working Distance Spherical Error Current Stability Stigmator Deflection Type Point Resolution Lens Type Electromagnetic

Stereoscan MKII
	General Year 1966 Successor Stereoscan S4 Magnification Range 20x - 100Kx Magnification Gauge Type Needle & Range Switch Specemin Chamber Pressure Power Consumption System Weight 1247 Kg	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage Stability Cathode Heating Methode Alignment Methode Mechanical	Condensor Number of Condensor Lenses 2 Current Stability Stigmator None Aperture Condensor Alignment None Lens Type Electromagnetic, Polepiece & Capsule	Stage Stage Type Non Eucentric Specimen Loading Sample Holder Type 3.2 mm Stub X, Y Travel Range 25mm Z Travel Range 15mm Tilt Range 90° Rotation Range 360° Drive Mechanism Micrometer Screw (Hand Operated)	Objective Lens Working Distance 0 - 20mm Spherical Error Current Stability Stigmator Octopol Deflection Type Double Deflection Electromagnetic Point Resolution Lens Type Electromagnetic

Stereoscan S4
[[File:|200px|link=Stereoscan S4]]	General Year Successor Stereoscan S4-10 Magnification Range Magnification Gauge Type Specemin Chamber Pressure Power Consumption System Weight	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage Stability Cathode Heating Methode Alignment Methode	Condensor Number of Condensor Lenses Current Stability Stigmator Aperture Condensor Alignment Lens Type	Stage Stage Type Non Eucentric Specimen Loading Sample Holder Type 3.2 mm Stub X, Y Travel Range Z Travel Range Tilt Range Rotation Range Drive Mechanism Micrometer Screw (Hand Operated)	Objective Lens Working Distance Spherical Error Current Stability Stigmator Octopol Deflection Type Double Deflection Electromagnetic Point Resolution Lens Type Electromagnetic

Stereoscan S4-10
	General Year 1972 - 1974 Successor Stereoscan S250 MK I Magnification Range 40x to 100Kx Magnification Gauge Type Needle type & Range Switch Specemin Chamber Pressure {{{Specemin Chamber Pressure}}} Power Consumption 4KW System Weight	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin / LaB6 Accelerating Voltage 0 - 30 KV Stability Cathode Heating Methode DC Alignment Methode Mechanical & Magnetic	Condensor Number of Condensor Lenses 2 Current Stability Stigmator none Aperture Condensor Alignment none Lens Type Electromagnetic, Polpiece and Capsule	Stage Stage Type Non Eucentric / Eucentric Specimen Loading Sample Holder Type 3.2 mm Stub X, Y Travel Range Stage Dependent 25mm Z Travel Range Stage Dependent 15mm Tilt Range Stage Dependent 90° Rotation Range 360° Drive Mechanism Micrometer Screw (Hand Operated)	Objective Lens Working Distance Spherical Error Current Stability Stigmator Octopol Deflection Type Double Deflection Electromagnetic Point Resolution Lens Type Electromagnetic

Stereoscan model 180
	General Year Successor [[]] Magnification Range Magnification Gauge Type Specemin Chamber Pressure Power Consumption System Weight	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage Stability Cathode Heating Methode Alignment Methode	Condensor Number of Condensor Lenses Current Stability Stigmator Aperture Condensor Alignment Lens Type	Stage Stage Type Non Eucentric Specimen Loading Sample Holder Type 3.2 mm Stub X, Y Travel Range Z Travel Range Tilt Range Rotation Range Drive Mechanism Micrometer Screw (Hand Operated)	Objective Lens Working Distance Spherical Error Current Stability Stigmator Octopol Deflection Type Double Deflection Electromagnetic Point Resolution Lens Type Electromagnetic

Stereoscan Model 600
	General Year Successor [[]] Magnification Range Magnification Gauge Type Specemin Chamber Pressure Power Consumption System Weight	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage Stability Cathode Heating Methode Alignment Methode	Condensor Number of Condensor Lenses Current Stability Stigmator Aperture Condensor Alignment Lens Type	Stage Stage Type Non Eucentric Specimen Loading Sample Holder Type 3.2 mm Stub X, Y Travel Range Z Travel Range Tilt Range Rotation Range Drive Mechanism Micrometer Screw (Hand Operated)	Objective Lens Working Distance Spherical Error Current Stability Stigmator Octopol Deflection Type Double Deflection Electromagnetic Point Resolution Lens Type Electromagnetic

Stereoscan Model 100
	General Year Successor [[]] Magnification Range Magnification Gauge Type Specemin Chamber Pressure Power Consumption System Weight	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage Stability Cathode Heating Methode Alignment Methode	Condensor Number of Condensor Lenses Current Stability Stigmator Aperture Condensor Alignment Lens Type	Stage Stage Type Non Eucentric Specimen Loading Sample Holder Type 3.2 mm Stub X, Y Travel Range Z Travel Range Tilt Range Rotation Range Drive Mechanism Micrometer Screw (Hand Operated)	Objective Lens Working Distance Spherical Error Current Stability Stigmator Octopol Deflection Type Double Deflection Electromagnetic Point Resolution Lens Type Electromagnetic

Stereoscan Model 250 MKII
	General Year Successor Stereoscan Model 250 MKIII Magnification Range Magnification Gauge Type Specemin Chamber Pressure Power Consumption System Weight	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage Stability Cathode Heating Methode Alignment Methode	Condensor Number of Condensor Lenses Current Stability Stigmator Aperture Condensor Alignment Lens Type	Stage Stage Type Non Eucentric Specimen Loading Sample Holder Type 3.2 mm Stub X, Y Travel Range Z Travel Range Tilt Range Rotation Range Drive Mechanism Micrometer Screw (Hand Operated)	Objective Lens Working Distance Spherical Error Current Stability Stigmator Octopol Deflection Type Double Deflection Electromagnetic Point Resolution Lens Type Electromagnetic

Stereoscan 250 MK III

Specs

General

Electron Source

Column

General
Mag. Range	20x - 300Kx
Power Requirment	2 KVA
System Weight	628 Kg

Electron Source
Accelerator Type	Self Biased Triode
Acellerating Voltage	0.5 - 40 KV
Cathode	Tungsten Hairpin / LaB6

Column
Stigmator	Electromagnetic Octopol
Claimed Resolution	50Å

Electron Probe Micro Analyzers

• Microscan V
• Geoscan