ISI

Recreation of the ISI Logo

ISI (international Scientific Instruments) was founded in 1972 and was a reseller of Scanning Electron Microscopes from the united states, who resold machines built by Akashi-Seisakusho, Ltd of Tokyo Japan. Their headquarters was located in Santa Clara California, United States of Amerika.

The involvement of ISI in the design of machines by Akashi is unknown to the museum at time of writing. It is likely they influenced the designs Akashi created.

List of Models

Super-II
	General Year Successor [[]] Magnification Range 10x - 200kx Magnification Gauge Type Specemin Chamber Pressure Power Consumption System Weight	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage 2, 5, 10, 15, 25kV Stability Cathode Heating Methode Alignment Methode	Condensor Number of Condensor Lenses 2 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 dual quadropole Deflection Type double electromagnetic Point Resolution 7nm Lens Type Electromagnetic

Super-IIIA
	General Year Successor [[]] Magnification Range 10x - 200kx Magnification Gauge Type Specemin Chamber Pressure Power Consumption System Weight	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage 2, 5, 10, 15, 25kV Stability Cathode Heating Methode Alignment Methode	Condensor Number of Condensor Lenses 2 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 dual quadropole Deflection Type double electromagnetic Point Resolution 7nm Lens Type Electromagnetic

Model-7
	General Year Successor [[]] Magnification Range 30x - 120kx Magnification Gauge Type Specemin Chamber Pressure Power Consumption System Weight	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage 2, 15kV Stability Cathode Heating Methode Alignment Methode	Condensor Number of Condensor Lenses 2 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 dual quadropole Deflection Type double electromagnetic Point Resolution 10nm Lens Type Electromagnetic

ISI-60
	General Year Successor [[]] Magnification Range 10x - 200kx Magnification Gauge Type Specemin Chamber Pressure Power Consumption System Weight	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage 2kv - 30kV Stability Cathode Heating Methode Alignment Methode	Condensor Number of Condensor Lenses 2 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 dual quadropole Deflection Type double electromagnetic Point Resolution 6nm Lens Type Electromagnetic

System-100
	General Year Successor [[]] Magnification Range 10x - 600kx Magnification Gauge Type Specemin Chamber Pressure Power Consumption System Weight	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage 0kv - 40kV Stability Cathode Heating Methode Alignment Methode	Condensor Number of Condensor Lenses 2 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 dual quadropole Deflection Type double electromagnetic Point Resolution 6nm Lens Type Electromagnetic

TV Mini-SEM
	General Year 1975 Successor [[]] Magnification Range 20x - 20kx Magnification Gauge Type Step Switch markings Specemin Chamber Pressure <5e-5 mBar (measured) Power Consumption 1 kVA System Weight 82 kg total (column 26 kg)	Electrion Source Accelerator Type Self Biased Triode Gun Cathode Type Tungsten Hairpin Accelerating Voltage 10kV Stability Cathode Heating Methode DC Alignment Methode XY Shift (Mechanical)	Condensor Number of Condensor Lenses 2 Current Stability Stigmator none Aperture Condensor Alignment none Lens Type Magnetic	Stage Stage Type Non Eucentric Specimen Loading Pull out Stage Sample Holder Type 15mm Cylinder X, Y Travel Range +-7.5mm Z Travel Range none Tilt Range -30° to +60° Rotation Range none Drive Mechanism Micrometer Screw (Hand Operated)	Objective Lens Working Distance Spherical Error Current Stability Stigmator dual quadropole Deflection Type double electromagnetic Point Resolution <50nm Lens Type Electromagnetic

List of Models

Note: This list is deprecated and will be eventually removed once all entries can be updated with manufacturer pictures and information, as it becomes available to the museum.

For a full list of Models created by ISI, view List of ISI Models, a version without images is available below. The full list of Electron Microscope models created by ISI including overview Pictures (where available).

The full list of Electron Microscope models created by ISI including overview Pictures (where available).

Model	Year	Gun	KV Min	KV Max	Resolution [nm]
SR-50
CL-6
DS-130
ISI-40
ISI-60	1979
ISI-100	1977	LaB6	10 nm
SS-40
SS-60
M-7		Tungsten Hairpin
SMS-1	1974			25 KV	10 nm
SMS-2	1975			25 KV	10 nm
SMS-3A	1980	Tungsten Hairpin		30 KV	7 nm
SX-30
SX-40				30 KV	6 nm
SX-60
WB-6
TV Mini SEM / MRS-2-2	1976	Tungsten Hairpin	10KV	10KV	50 nm
MSM-2	1973	Tungsten Hairpin			30 nm References