INSTRUCTIONS JEM2010LaB TRANSMISSION （jem 2010实验室传输指令）.pdf

INSTRUCTIONS JEM-2010-LaB6 TRANSMISSION ELECTRON MICROSCOPE WITH LaB EMITTER 6 February 2005 TABLE OF CONTENTS 1. EMERGENCIES 2 2. SPECIFICATIONS 3 3. RAY DIAGRAMS 4 3.1 ILLUMINATION SYSTEM 4 3.2 IMAGING SYSTEM 5 4. DESCRIPTION OF COLUMN AND PANEL CONTROLS 6 4.1 COLUMN 6 4.2 LEFT PANEL CONTROLS 7 4.3 RIGHT PANEL CONTROLS 8 4.4 RIGHT-HAND DRAWER 9 4.5 LOWER LEFT PANEL 9 4.6 KEYBOARD AND CRT DISPLAY 10 4.7 SPUTTER ION PUMP 10 4.8 MISCELLANEOUS 10 5. OPERATION 11 5.1 LOADING THE SAMPLE IN THE HOLDER 11 5.2 REMOVING AND INSERTING THE ENTRY-PORT PLUG 11 5.3 INSERTING AND REMOVING THE SAMPLE HOLDER 12 5.4 TURNING ON THE ACCELERATING POTENTIAL 13 5.5 EMITTER HEATING 13 5.6 FINDING THE BEAM 14 5.7 BEAM ALIGNMENT (TEM MODE) 14 5.8 BEAM ALIGNMENT (NANO-PROBE MODE) 16 5.9 BRIGHT FIELD IMAGING 16 5.10 DIFFRACTION 16 5.11 DARK FIELD IMAGING 17 6. NOTES ON HIGH-RESOLUTION IMAGING 18 7. NOTES ON RECORDING MICROGRAPHS 19 8. RULES FOR CHANGING PLATES 20 9. END OF SESSION 21 February 2005, J. Kulik 1 1. EMERGENCIES POWER SUSPENSION The microscope will shut down safely. When power is restored, it is necessary to restart the microscope manually. (See below.) COOLING WATER SUSPENSION The high voltage power and lens power will shut down, and the vacuum system will go into the protected state. Upon resumption of cooling water, the microscope must be restarted manually. (See below.) COLD START If the microscope is completely shut down, then • Verify that the emitter heater is off. • Turn th