Carl Zeiss

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Vector recreation of the Zeiss logo as around 1975

Zeiss is a German Manufactuer of Electron Microscopes, much like Siemens it was involved in the invention of the Electron Microsocpe. Originally its development focused on the creation of Electrostatic microscopes, but this approch was later abbandoned in favor of the Electromagnetic lens.

Only 2 models using exclusivly Electrostic Lenses are currently known to have existed, this is the experimental EM7, and the production EM8 microscope.

The EM9 marked the first all Electromagnetic Electron Microscope constructed by Carl Zeiss.

List of Models

Transmition Electron Microscopes

Early Models

EM7
Zeiss - EM6 - B. v. Bories.png
General
Year
Successor EM8
Magnification Range
Magnification Gauge Type
Specemin Chamber Pressure
Power Consumption
System Weight
Electrion Source
Accelerator Type
Cathode Type
Accelerating Voltage
Stability
Cathode Heating Methode
Alignment Methode
Condensor
Number of Condensor Lenses
Stability
Stigmator
Minimum Spot Size Diameter
Condensor Alignment
Lens Type Electrostatic
Stage
Holder Type
X, Y Travel Range
Objective Lens
Focal Length
Adjustment Range
Spherical Error
Stability
Stigmator
Alignment Aids
Point Resolution Å
Lens Type Electrostatic
Projective Lens
Number of Projective Lens
Stability
Polpeace Configuration
Avalible Polpeace Magnification(s)
Alignment
Lens Type Electrostatic


EM8
Zeiss - EM8.png
General
Year
Successor EM9
Magnification Range
Magnification Gauge Type
Specemin Chamber Pressure
Power Consumption
System Weight
Electrion Source
Accelerator Type
Cathode Type
Accelerating Voltage
Stability
Cathode Heating Methode
Alignment Methode
Condensor
Number of Condensor Lenses
Stability
Stigmator
Minimum Spot Size Diameter
Condensor Alignment
Lens Type Electrostatic
Stage
Holder Type
X, Y Travel Range
Objective Lens
Focal Length
Adjustment Range
Spherical Error
Stability
Stigmator
Alignment Aids
Point Resolution Å
Lens Type Electrostatic
Projective Lens
Number of Projective Lens 2
Stability
Polpeace Configuration
Avalible Polpeace Magnification(s)
Alignment
Lens Type Electrostatic


EM9
Zeiss - EM9S - Meek.png
General
Year
Successor EM10
Magnification Range
Magnification Gauge Type
Specemin Chamber Pressure
Power Consumption
System Weight
Electrion Source
Accelerator Type
Cathode Type
Accelerating Voltage
Stability
Cathode Heating Methode
Alignment Methode
Condensor
Number of Condensor Lenses
Stability
Stigmator
Minimum Spot Size Diameter
Condensor Alignment
Lens Type
Stage
Holder Type
X, Y Travel Range
Objective Lens
Focal Length
Adjustment Range
Spherical Error
Stability
Stigmator
Alignment Aids
Point Resolution Å
Lens Type Electromagnetic
Projective Lens
Number of Projective Lens
Stability
Polpeace Configuration
Avalible Polpeace Magnification(s)
Alignment
Lens Type






General
Year 1947
Successor EM8
Mag. Range 1500x, 5000x, 15000x
Electron Source
Acellerating Voltage 60 KV (50 KV)
Objective
Lens Type Electrostatic
Resolution 20Å
Projective Lens
Lens Type Electrostatic
No. of Lenses 2








General
Successor EM9
Mag. Range 900x, 1.6Kx, 3Kx, 5Kx, 9Kx, 16Kx
Electron Source
Accelerator Type Steigerwald remote focus Triode
Acellerating Voltage 60 KV
Cathode Tungsten Hairpin
Objective
Lens Type Electrostatic
Stigmator Electrostatic Hexapol
Resolution 7-9Å
Projective Lens
Lens Type Electrostatic
No. of Lenses 3










General
Successor EM10
Mag. Range 1800x, 8000x, 26Kx, 60Kx, 0-60Kx
Mag. Gauge Text and Bulb
Power Requirment 1.8 KVA
System Weight 1320 lbs
Electron Source
Accelerator Type Self Biased Triode
Acellerating Voltage 60 KV
Cathode Tungsten Hairpin
Condenser
Lens Type Electromagnetic
Nu. of Lenses 1
Stage
Holder Type Side Entry
Objective
Lens Type Electromagnetic
Focal Length 4mm
Stigmator Electrostatic Octopol
Resolution 7-9Å
Projective Lens
Lens Type Electromagnetic
No. of Lenses 2
Configuration Single Polpiece



Orange Column Models

It should be noted that this list is far from complete, and many models are yet missing within!








General
Successor EM10A
Mag. Range 100x, 1000x - 200Kx
Mag. Gauge 7-Seg. Digital
Chamber Pressure 5*10⁻⁵ Torr
Power Requirment 3.5 KVA
System Weight 800 Kg
Electron Source
Accelerator Type Self Biased Triode
Acellerating Voltage 20, 40, 60, 80, 100 KV
Stability 2*10⁻⁶min
Cathode Tungsten Hairpin
Cathode Heating DC
Condenser
Lens Type Electromagnetic
Nu. of Lenses 2
Stability 5*10⁻⁶/min
Stigmator Quadropol
Spot Size 1 µm
Stage
Holder Type Cartridge, Top Entery
Objective
Lens Type Electromagnetic
Focal Length 2.6mm
Stability 2*10⁻⁶/min
Stigmator Octopol
Spherical Error 2.2 mm
Chromatic Error 1.7 mm
Resolution 5Å
Projective Lens
Lens Type Electromagnetic
No. of Lenses 2
Stability 2*10⁻⁶/min
Configuration Single Polpiece
Stigmator Octopol









General
Successor EM10C
Mag. Range 100x, 1000x - 200Kx
Mag. Gauge 7-Seg. Digital
Chamber Pressure 5*10⁻⁵ Torr
Power Requirment 3.5 KVA
System Weight 800 Kg
Electron Source
Accelerator Type Self Biased Triode
Acellerating Voltage 20, 40, 60, 80, 100 KV
Stability 2*10⁻⁶min
Cathode Tungsten Hairpin
Cathode Heating DC
Condenser
Lens Type Electromagnetic
Nu. of Lenses 2
Stability 5*10⁻⁶/min
Stigmator Quadropol
Spot Size 1 µm
Stage
Holder Type Cartridge, Top Entery
Objective
Lens Type Electromagnetic
Focal Length 2.6mm
Stability 2*10⁻⁶/min
Stigmator Octopol
Spherical Error 2.2 mm
Chromatic Error 1.7 mm
Resolution 5Å
Projective Lens
Lens Type Electromagnetic
No. of Lenses 2
Stability 2*10⁻⁶/min
Configuration Single Polpiece
Stigmator Octopol









General
Successor EM10CR
Mag. Range 100x, 1000x - 500Kx
Mag. Gauge 7-Seg. Digital
Chamber Pressure 5*10⁻⁵ Torr
Power Requirment 3.5 KVA
System Weight 800 Kg
Electron Source
Accelerator Type Self Biased Triode
Acellerating Voltage 20, 40, 60, 80, 100 KV
Stability 2*10⁻⁶min
Cathode Tungsten Hairpin
Cathode Heating DC
Condenser
Lens Type Electromagnetic
Nu. of Lenses 2
Stability 5*10⁻⁶/min
Stigmator Quadropol
Spot Size 200 nm
Stage
Holder Type Cartridge, Top Entery
Objective
Lens Type Electromagnetic
Focal Length 2.6mm
Stability 2*10⁻⁶/min
Stigmator Octopol
Spherical Error 2.2 mm
Chromatic Error 1.7 mm
Resolution 3Å
Projective Lens
Lens Type Electromagnetic
No. of Lenses 2
Stability 2*10⁻⁶/min
Configuration Single Polpiece
Stigmator Octopol









General
Successor EM10CR
Mag. Range 100x, 1000x - 500Kx
Mag. Gauge 7-Seg. Digital
Chamber Pressure 5*10⁻⁷ Torr
Power Requirment 3.5 KVA
System Weight 800 Kg
Electron Source
Accelerator Type Self Biased Triode
Acellerating Voltage 20, 40, 60, 80, 100 KV
Stability 2*10⁻⁶min
Cathode Tungsten Hairpin
Cathode Heating DC
Condenser
Lens Type Electromagnetic
Nu. of Lenses 2
Stability 5*10⁻⁶/min
Stigmator Quadropol
Stage
Holder Type Cartridge, Top Entery
Objective
Lens Type Electromagnetic
Focal Length 2.6mm
Stability 2*10⁻⁶/min
Stigmator Octopol
Spherical Error 2.2 mm
Chromatic Error 1.7 mm
Resolution 3Å
Projective Lens
Lens Type Electromagnetic
No. of Lenses 2
Stability 2*10⁻⁶/min
Configuration Single Polpiece
Stigmator Octopol









General
Mag. Range 150x, 1100x, 3000x, 20Kx, 30Kx, 250Kx, 400Kx
Mag. Gauge 7-Seg. Digital
Chamber Pressure 2*10⁻⁶ Torr
Electron Source
Accelerator Type Self Biased Triode
Acellerating Voltage 50, 80 KV
Stability 8*10⁻⁶min
Cathode Tungsten Hairpin
Cathode Heating DC
Condenser
Lens Type Electromagnetic
Nu. of Lenses 2
Stability 6*10⁻⁶/min
Stigmator Quadropol
Spot Size 3 µm
Stage
Holder Type Cartridge, Top Entery
Objective
Lens Type Electromagnetic
Focal Length 2.6mm
Stability 4*10⁻⁶/min
Stigmator Octopol
Spherical Error 2.2 mm
Chromatic Error 1.7 mm
Resolution 5Å
Projective Lens
Lens Type Electromagnetic
No. of Lenses 3
Stability 6*10⁻⁶/min
Configuration Single Polpiece
Stigmator Octopol







Electron Source
Accelerator Type Self Biased Triode
Cathode Tungsten Hairpin
Condenser
Lens Type Electromagnetic
Objective
Lens Type Electromagnetic
Projective Lens
Lens Type Electromagnetic







Electron Source
Accelerator Type Self Biased Triode
Cathode Tungsten Hairpin
Condenser
Lens Type Electromagnetic
Objective
Lens Type Electromagnetic
Projective Lens
Lens Type Electromagnetic




Documentation

Full list of all documents related to the Zeiss Electron Microscopes.

Transmission Electron Microscope

Scanning Electron Microscope

Miscilanious

stuff

Transmission Electron Microscops
Model Year Accelerating Voltage Cathode Type Nr. of Condensor Lenses Nr. of Imaging Lenses Projective Resolution Successor
EM7 EM8
EM8 Tungsten Hairpin 1 Electrostatic 3 Electrostatic Imersion and EinzelLense EM9
EM9 60 KV Tungsten Hairpin 1 Electromagnetic 3 Electromagnetic Single Polpiece 70 Å [1] [[EM10}]
EM10 20, 40, 60, 80, 100 KV 2 Electromagnetic 3 Electromagnetic Single Polpiece < 30 Å [2] EM900
EM109 50, 80 KV Tungsten Hairpin 2 Electromagnetic 4 Electromagnetic Single Polpiece 50 Å [3]
EM900 Tungsten Hairpin EM902
EM902 Tungsten Hairpin EM912
EM906 Tungsten Hairpin Single Polpiece
EM910 Tungsten Hairpin
EM912 Tungsten Hairpin
  1. ↑ Das Elektronenmikroskop TEM+REM, Dr. Rainer Horst Lang, Dr. Jochen Blödorn, 1981, page 131
  2. ↑ Das Elektronenmikroskop TEM+REM, Dr. Rainer Horst Lang, Dr. Jochen Blödorn, 1981, page 132
  3. ↑ Das Elektronenmikroskop TEM+REM, Dr. Rainer Horst Lang, Dr. Jochen Blödorn, 1981, page 133
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