JEOL JEM-2100 HR Скачать руководство пользователя страница 1

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20 November 2010, R. Ubic

STANDARD OPERATING PROCEDURE

JEOL JEM-2100 HR

RANSMISSION

LECTRON

ICROSCOPE

(TEM)

EDS Chemical analysis

Post column annular dark field detector

Tomography unit for 3D images

Cryogenic temperature control down to 77 K

Point Resolution:

2.3 Å

Line Resolution:

1.4 Å

STEM resolution:

10 Å

Magnetic imaging resolution:

22 Å

Содержание JEM-2100 HR

Страница 1: ...0 HR TRANSMISSION ELECTRON MICROSCOPE TEM EDS Chemical analysis Post column annular dark field detector Tomography unit for 3D images Cryogenic temperature control down to 77 K Point Resolution 2 3 Li...

Страница 2: ...ow 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 restarte...

Страница 3: ...mn on left hand side Check to make sure that the gun gas pressure is 0 3 MPa bottom round dial gauge behind grill at base of column on left hand side Check to make sure that the column pressure gauge...

Страница 4: ...ewar with liquid nitrogen For operation at 100 200 kV Use the and buttons to increase the kV setting to 100 kV The Step option allows you to control the step size of the changes Press the HT ON button...

Страница 5: ...tion and secure it with the retainer screws Open the clamp on the holder again with the cartridge handling tool and re insert the cartridge carefully locating it on the pin Double Tilt Beryllium Holde...

Страница 6: ...for the green light to appear DO NOT ROTATE THE HOLDER YET If using the double tilt holder place the y tilt control cable on top of the goniometer for support Do not let the cable dangle Turn the hol...

Страница 7: ...e beam current has reached its normal value kV 10 2 Check that all the apertures are out 3 Check that the spot size is set to 1 use SPOT SIZE knob on left hand panel 4 Decrease the magnification and s...

Страница 8: ...maximize the current density brightness on the screen Press F4 again to de select the gun assignments Condenser Astigmatism Correction Press the COND STIG button left hand panel and use the DEF STIG k...

Страница 9: ...T to shut this wobbler off Condenser Lens Deflection Coil Adjustment Tilt Purity Focus the beam Click on Tilt in the Compensator portion of the Alignment Panel for Maintenance window Click on TiltX in...

Страница 10: ...er portion of the Alignment Panel for Maintenance window Unify the resulting two spots using the DEF STIG X knob If the spot moves off screen reduce the camera length and continue adjusting If the spo...

Страница 11: ...AGE WOBB Y button right hand panel Unify the oscillating image with the OBJ FOCUS knobs right hand panel If the image cannot be unified try correcting for objective astigmatism above Press the IMAGE W...

Страница 12: ...NESS knob Adjust the DIFF FOCUS knob right hand panel to obtain the sharpest pattern Center the pattern by pressing PLA on the left hand console and adjusting position with ShiftX and ShiftY knobs To...

Страница 13: ...indow 4 Move the cross cursor to the center of the screen by clicking on the Center button in the Image Control window 5 Turn the BRIGHTNESS knob fully clockwise 6 Obtain a caustic spot using the OBJ...

Страница 14: ...justing the DEF STIG knobs If the Ronchigram is not circular or if adjusting the OBJ FOCUS knobs make it elliptical press the COND STIG button left hand panel and adjust the DEF STIG knobs accordingly...

Страница 15: ...is perfectly fine or if you want to get more detail in the tomogram you can pick 1 degrees Pay attention to the mag and the at start and when needed track at magnification Rule of thumb here is the la...

Страница 16: ...een if this window is not still open Wait until filament is completely off before extracting the holder Do NOT remove the holder while the filament is turning off Remove sample from holder DO NOT STOR...