Manual Philips CM-20

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  • Philips CM-20 - page 1

    OPERATION PROCEDURES FOR PHILIPS/FEI CM-20 TRANSMISSION ELECTRON MICROSCOPE General Comments Normally the m icroscope will be left in the power ON (standby ready to operate) condition; i.e., all circuits will be con tinuously energized and the microscope will be under full vacuum (MAIN, VACUUM, HIGH TENSION lamps on th e right control panel are all ...

  • Philips CM-20 - page 2

    (2) Hold the specimen holder with the airlock-op ening pin up. Carefully insert the specimen holder into the airlock entry and slide it in un til stop. At this point , pre-pumping of the airlock commences as indicated by illum ina tion of the red airlock indicator light. (3) After hearing a click sound, gr ape the specimen holder and turn clockwise ...

  • Philips CM-20 - page 3

    (4) Make sure the camera cover is correctly pl aced, and then press CAM AIR again to pump the camera chamber. You should be able to hear the mechanical pum p starting. Pull on the camera lid to ensure the vacuum is pulling. (5) Press READY, then TEM CAMERA, and CAM INIT. (6) Press RESET to reset film numb er (to 36), and press READY. (7) Press MODE ...

  • Philips CM-20 - page 4

    ROUTINE ALIGNMENT PROCEDUR ES FOR PHILIPS CM-20 TEM The following protocol is not intended to be spec ific. It is intended to be used as a mean to refresh one’s memory in carry out step by st ep procedures which are necessary to obtain reasonably good results with the transmission electron microscopes. More specific information can be obtained fr ...

  • Philips CM-20 - page 5

    (6) Set voltage at 20. Push HIGH TENSI ON button (the green LED should light) Slowly increase voltage from 20 kV to 160 kV using soft keys (wait 1 minute between each step). (7) After voltage reaches 160 kV, press FR EE CONTROL soft key. Use focus knob, slowly increase voltage from 160kV to 200kV. If it arcs (loud popping sound), use focus step siz ...

  • Philips CM-20 - page 6

    by first making crossover image with INTENSITY knob, then open up condenser II (INTENSITY)/expand the beam and close condenser II on the opposite side of crossover. If the beam appears to sw ing this indicates th e aperture is not properly centered. Center the aperture by moving the X and Y controls on the aperture housing. (5) Repeat the last step ...

  • Philips CM-20 - page 7

    (4) Condenser lens astigmatism correction - Press STIG to activate stigmator control. - Press COND soft key so that it is highlighted (the default is OBJ). - Condense the beam. - Use MULTIFUNCTION knobs to correct the astigmatism. The beam should be round when changing the setting of the INTENSI TY knob, or the filament image will be sharpest if fi ...

  • Philips CM-20 - page 8

    - Press ALGN to de-activate. (3) Voltage centering - Place a more or less symmetrical im age to the center. - Condense the beam at the center of screen, and spread the beam . - Press ROT CENTER and VOLT soft keys in ALGN. - Make sure it is in the VOLT m ode (check bottom right soft key). - Determine the voltage center from the m ovement of the enti ...

  • Philips CM-20 - page 9

    (5) Change camera length (by changi ng MAGNIFICATION knob) to 44.0 mm. (6) Realign the diffraction pattern. (7) Repeat steps 4 to 6 until the transm itted spot remains at (near) the center w hile changing camera length between 44.0 mm to 3.2 m . (8) Deactivate ALGN, and depress D to get out of diffraction mode. (iv) Insertion and centering objectiv ...

  • Philips CM-20 - page 10

    (2) Set a magnification at least 3 or 4 times hi gher than that will used for photographing. (3) Obtain the thinnest over-focus (Fresnel) fringe that can be clearly seen in the binocular, with beam spread. Caution: make sure you focus the binocular on the viewing screen. (4) Adjust the OJB STIG X and Y (MULTIFUNCTION keys) until the fringe fo llows ...

  • Philips CM-20 - page 11

    WAC 09/28/02 VI. COMPUTER ALIGNMENT AND AS TGMATISM CORRECTION FOR 200 kV 1. Preses PARAMETERS on TEM br ight field page 3 times 2. Press REMOTE CONTROL to highlight it (This w ill allow the com puter to talk to the TEM). 3. Turn on the PC monitor (on/o ff switch on back of m onitor). 4. If computer is already in execution mode, go to step 6 5. At ...

Manufacturer Philips Category Microscope & Magnifier

Documents that we receive from a manufacturer of a Philips CM-20 can be divided into several groups. They are, among others:
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- CM-20 manuals
- Philips product data sheets
- information booklets
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Philips CM-20.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Philips CM-20, service manual, brief instructions and user manuals Philips CM-20. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Philips CM-20.

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A complete manual for the device Philips CM-20, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Philips CM-20 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Philips CM-20.

A complete Philips manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Philips CM-20 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Philips CM-20, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Philips CM-20, that we can find in the current document
3. Tips how to use the basic functions of the device Philips CM-20 - which should help us in our first steps of using Philips CM-20
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Philips CM-20
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Philips CM-20 in a specific country, if it was not possible to solve the problem on our own.

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