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JEOL-2100操作说明.pdf

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JEOL-2100操作说明.pdf
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1 Elaborado: Marina Magnani Revisão: Jefferson Bettini Julho/2011 JEM 2100 Manual Operation and Basic Alignment Instructions 1. Verify the vacuum: If vacuum is not good enough, contact somebody from the LME staff.  Verify the vacuum in JEOL PC / TEMCON / Valve Status window VACUUM SYSTEM  GUN/CAMERA valves • V1 and V2 = OFF (black)  Pirani gauge status • PIG-2 30 µA • PIG-1 30 µA • PIG-4 254 µA • PIG-3 30 µA • PIG-5 100 µA 2. Complete Cold Finger Dewar with Liquid Nitrogen:  Fill with LN2, wait for a few minutes and complete the Dewar after it stops boiling.  ● The microscope’s view port must be covered before this procedure. The window can crack under thermal shock. ● Wear appropriated protective eyeglasses and gloves when manipulate LN2 to avoid accidents.  Check the vacuum levels (power supply closet) ● Column (blue scale): 2.5x10-5 Pa 2 Elaborado: Marina Magnani Revisão: Jefferson Bettini Julho/2011 ATTENTION!!! Complete the dewar with LN2 at each 6 working hours. In working days, in the morning (7 o´clock AM) and in the afternoon (1 o´clock PM). 3. Check the camera:  Check if the shuter box (TVIPS camera) is in CCD mode (right side of the TEM Column). Put a picture  Check if CCD ES 500W is ON (left side of the TEM Column). 4. Verify the TEMCON / Controller window (JEOL PC): - If the program is not open click double-click on the TEM Controller icon in the PC monitor screen. - Check the points bellow: 1) 1) High Voltage (HT) : Acc. = 160kV (Start) or 200kV (Middle of the Day); 2) Spot Size = 1, Alpha = 3; 3) X = Y = 0, Z = 0, TX = 0º (TY doesn’t matter); 4) Select the sample-holder (SH) type that you use: Single Tilt: EM-21010 = Single Tilt Holder; Double Tilt: EM-31630 = Specimen Tilt Holder (DTC); Single Tilt Rotation: EM-31650 = Rotation Holder (STR); Double Tilt Beryllium: EM-31640 = Specimen Tilt Holder Be (DTB); 2 3 4 1 3 Elaborado: Marina Magnani Revisão: Jefferson Bettini Julho/2011 5. Turning on the Accelerating Voltage  Make sure that the r
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