JEOL 1200EX II
.pdf
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Rumson Fair Haven Reg H *
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Course
101
Subject
Mechanical Engineering
Date
Nov 24, 2024
Type
Pages
3
Uploaded by CoachRiverTiger30
P
RACTICAL E
XAM ON JEOL
1200EX
II
F
OR TEM
L
ABORATORY C
OURSE &
C
HECKLIST OF R
EQUIREMENTS FOR U
SING THE TEM
U
NSUPERVISED
User:
Date:
Examiner:
Users must score 100% to use the JEOL 1200EX II Unsupervised.
Users can be checked out any number of times until her/his score is 100%.
Scope must be used at least once a semester to maintain unsupervised status.
YES
NO
1. Does user know all steps, in order for starting up microscope?
Pre-start Checklist
:
Power On, Vacuum operating at High Vacuum/Green LED Log Book Signed in
LN
2
trap filled
- focusing scope & viewing window covered
Spot Size on 4
Bright-LED On
All deflectors off (Obj-Stig, Cond-Stig Dark Tilt, Bright Tilt and Image-Shift)
Condenser aperture selected
Objective aperture out
Intermediate aperture out
Function to Mag-1
Magnification at 10,000x
Room lights
G
G
2. Can user locate, center and saturate filament correctly?
Beam Generation
:
Filament fully CCW
Step up High Voltage
Bias Set
Brightness (CL#3) Set
Wehnelt (Filament) Image
Beam Alignment
:
Beam Centered, Spot 1 vs Spot 4
Lenses Cleared
Gun Tilts Set
Condenser Lens Stigmated
Condenser Aperture Centered
Filament Saturated
Beam Spread CW
LN
2
trap topped off
G
G
G
G
3. Can user recognize objective aperture alignment, locate and center Aperture?
Beam Centered
Function Diff used to located aperture
Aperture centered
G
G
4. Can user correctly insert and remove specimens?
Magnification reduced [10K or lower]
Beam Spread CW
Specimen trans controls centered at X=0 and Y=0,and tilt=0
E
Loading Specimen Holder
:
Specimen rod holder used
Closed forceps used to open & close securing plate
Grid loaded specimen-side-down
Specimen rod not touched
Lint on o-ring can be removed with naked finger
Inserting Sample
:
Rod inserted with guide pin aligned
Rod pushed and held
while roughing pumps starts
Air lock pumped out TWO
times (for tungsten)
Rod turned 90
E
CW to stop and rod eased into column
Removing sample
:
Specimen trans controls centered at X=0 and Y=0,and tilt=0
E
Specimen properly retrieved from column
Specimen plates closed
Rod returned to air lock
G
G
G
G
G
G
G
G
5. Can user correctly change between grid position 1 & 2?
Magnification reduced [10K or lower]
Beam Spread CW
Current grid to X=0, Y=0 [Page-2]
Function to Low-Mag and Mag at 120X
Swing Objective Aperture out.
Move from one position to the other.
Return: Objective Aperture in, Function to MAG-1, converge the beam.
G
G
6. Can user correct Objective Lens Astigmatism
G
G
7. Can the user correct use the digital camera system?
Camera power ON
Login to workstation and start MaxIM DL 5 software
CCD Temperature to > -9 C
Modify Annotations to show correct Accelerating Voltage
Sample image focused & stigmated
Adjust Brightness to fill the screen
Lift Screen before capture image
Set Magnification and mag bar on image
Convert to Grey Scale: Save image - Check (Contrast /Brightness change)
Screen down
Can Use Video window
G
G
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Related Questions
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om/courses/31937/assignments/1001318?module_item_id=2616268
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ollow the prescribed format by the course policy
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7x+14]
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Home
Insert
Draw
Design
Layout
References
Maili
OLYTECH
Calibri (Bo...
11
v A A
Aa v
m Air. Ma
Paste
в I
U v ab x,
x | A
Name:
ID No.:
rm Air. M
Date:
CRN:
Course Code: JACV 506E
Aircraft Mechanical Mainte
Practice.
ces ( CRI
Page
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bus
se Mat
hing Pl
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b.cas.edu.om/webapps/assessment/take/take.jsp?course_assessment_id=_9826_1&course_id=_18688_1&content_id= 197521 1&question_num_5.X3D0&toggle_state-qSho..
Remaining Time: 06 minutes, 35 seconds.
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The reading of Vernier Caliper shown in the Figure is
10
20
30
40
60
80
0 1
3
4
6 7
8
10
.02 mm
29.54 mm
Ob 27.5 mm
0.295 mm
Oc.
Windows b 28.25 mm
ull lis St
ENG 4
70
- LO
50
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