Philips CM12 - Manuals - manualsarea.com

Page 4 - The Microscope; Figure 1; in this case) that emits electrons

Erwin Sabio Philips CM12 Alignment & Setup Manual Page 4 Parts of the CM12 The Microscope Figure 1 The Philips CM12 (S)TEM Microscope 1 Electron Gun A filament tip (LaB 6 in this case) that emits electrons upon application of electrical current. 2 Condenser Aperture Assembly An area that houses ...

Page 5 - The Control Panels; Figure 2; The Control Panel located to the left of the microscope column.; Figure 3; The main control panel on the right hand side of the microscope.

Erwin Sabio Philips CM12 Alignment & Setup Manual Page 5 The Control Panels Left Control Panel Figure 2 The Control Panel located to the left of the microscope column. Right Control Panel Figure 3 The main control panel on the right hand side of the microscope. 9 Intensity Knob 16 Emission Meter...

Page 6 - The Specimen Holder; Figure 4; The CM12 Specimen Holder; The Side Entry Specimen Chamber; Figure 5; The Side Entry Chamber; Startup Procedure

Erwin Sabio Philips CM12 Alignment & Setup Manual Page 6 The Specimen Holder Figure 4 The CM12 Specimen Holder 22 Black Cap 24 Specimen Cavity & Clamp 23 O-ring The Side Entry Specimen Chamber Figure 5 The Side Entry Chamber 25 Tilt Knob 27 Z-Adjustment Knob 26 Indicator Light 28 Tilt Lock L...

Page 7 - Powering Up the Microscope; Figure 6; Figure 7; Saturating the Filament

Erwin Sabio Philips CM12 Alignment & Setup Manual Page 7 Powering Up the Microscope 1. Start by logging in to the computer connected to the TEM. Login is a necessary step to prevent unauthorized users from accessing the microscope. Without login, the control panel is not accessible. 2. Turn on t...

Page 8 - Start saturating the filament by slowly turning the; Figure 8; As the filament saturation is being adjusted, check the

Erwin Sabio Philips CM12 Alignment & Setup Manual Page 8 3. Start saturating the filament by slowly turning the Filament Knob [ 18 ] clockwise. Each click raises the level by one with a wait time of 5 seconds between each step. Figure 8 The green beam seen at the viewing screen represents visual...

Page 9 - Figure 9

Erwin Sabio Philips CM12 Alignment & Setup Manual Page 9 Column Alignment Centering the Beam 1. To center the beam more easily, adjust the intensity knob [ 9 ] to find the cross over i.e. the brightest and more focused beam setting. (Note: if the intensity knob is a little hard to control, press...

Page 10 - Condenser Aperture Adjustment; Condenser Astigmatism Correction

Erwin Sabio Philips CM12 Alignment & Setup Manual Page 10 Condenser Aperture Adjustment Figure 11 A non-concentric beam is seen when the condenser aperture is not aligned. 1. The condenser aperture controls the beam that passes through the condenser lens. If the aperture is not aligned, the beam...

Page 11 - Mounting the Sample

Erwin Sabio Philips CM12 Alignment & Setup Manual Page 11 Sample Loading & Unloading Mounting the Sample Figure 13 An example of a TEM grid used to hold thin film samples 1. Samples for the CM12 are deposited as thin films on a copper mesh grid such as in Figure 13. This grid is the one load...

Page 16 - Source

Erwin Sabio Philips CM12 Alignment & Setup Manual Page 16 Photo Credits Figure # Source 1 Mehraeen S. (2007, January 19). 230L, first report. Email attachment. 2 Browning, Nigel (2006). 1Experiment. p. 4, EMS 230L Internal Presentation. 3 Ibid. 4 Ibid. 5 Mehraeen S. (2007, January 19). 230L, fir...