Philips CM12 (S)TEM
Alignment & Setup
Manual
Erwin Sabio |
Philips CM12 Alignment & Setup Manual |
Page 2 |
Erwin Sabio |
Philips CM12 Alignment & Setup Manual |
Page 3 |
Table of Contents
Parts of the CM12 |
4 |
The Microscope |
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The Control Panels |
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The Specimen Holder |
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The Side Entry Specimen Chamber |
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Start-up Procedure |
7 |
Powering up the Microscope |
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Saturating the Filament |
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Column Alignment |
9 |
Centering the Beam |
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Alignment of Thermionic Gun |
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Condenser Aperture Adjustment |
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Condenser Astigmatism Correction |
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Sample Loading and Unloading |
11 |
Mounting the Specimen |
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Inserting the Specimen Holder |
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Sample Image Adjustment |
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Optimizing Eucentric Height |
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Adjusting Rotation Center |
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Centering the Pivot Point |
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Removing the Sample |
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Obtaining the Image |
14 |
Fine Tuning the Microscope |
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Capturing the Image |
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Power Down Sequence |
15 |
Photo Credits |
16 |
Erwin Sabio |
Philips CM12 Alignment & Setup Manual |
Page 4 |
Parts of the CM12
The Microscope
1
2
4 |
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3 |
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5
6
8 7
Figure 1 The Philips CM12 (S)TEM Microscope
1Electron Gun
2Condenser Aperture Assembly
3Specimen Chamber/Holder
4Objective Aperture Assembly
5Field Limiting Aperture Assembly
6Binoculars
7Viewing Window
8Mechanical Stage Controls
A filament tip (LaB6 in this case) that emits electrons upon application of electrical current.
An area that houses the condenser aperture, control knobs, and related circuitry.
High vacuum tunnel where the specimen is inserted.
An area that houses the objective aperture, control knobs, and related circuitry.
An area that houses the intermediate lens aperture, control knobs, and related circuitry.
Eyepieces used to view the projected image up close.
Glass windows (another on the left side) where the large phosphor screen can be viewed.
Two knobs that control the translational coordinates of the sample image.
Erwin Sabio |
Philips CM12 Alignment & Setup Manual |
Page 5 |
The Control Panels
Left Control Panel
10 |
9 |
Figure 2 The Control Panel located to the left of the microscope column.
Right Control Panel
16
11
12
17
13
18
14 |
19 |
15
20
21
Figure 3 The main control panel on the right hand side of the microscope.
9 |
Intensity Knob |
16 |
Emission Meter |
10 |
Fine Adjustment Knob |
17 |
High Tension Button |
11 |
Screen |
18 |
Filament Control Knob |
12 |
Screen Control Buttons |
19 |
Ready Button |
13 |
Power Switch |
20 |
Focus/Focus Step Knob |
14 |
Magnification Knob |
21 |
Multifunction Control Knob |
15 |
Beam Shift Knobs |
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