Q150T Sample Preparation System
Q150T - Instruction Manual
59
10473 - Issue 5
7.4
Metal Evaporation Insert
This section describes the installation of the metal evaporation insert (10457) designed
for downwards evaporation (see
Figure 7-7
). To install the stage:
1.
Check the machine is not operating.
2.
Press down firmly on the top cover to release the latch. (See note below.).
3.
Lift the top cover and rest it against its stop.
4.
Turn the two securing buttons to release the installed insert and remove the insert.
5.
Prepare the metal evaporation insert for installation by removing from any
packaging, plastic bags etc. Check the ‘O’ ring in the outer ring of the lid assembly
for damage or debris and clean or replace as required.
6.
Place the insert in position in the outer ring of the lid assembly. Carefully align the
M3 screw head in the rim of the insert with the slot on the right of the outer ring.
Lock the insert in position by turning the securing buttons until their flanges
overlap the insert.
Figure 7-7.
Fitting the metal evaporation insert for downwards evaporation
7.4.1
Installing a Wire Basket
To install a wire basket or molybdenum boat:
1.
Open the lid assembly and lay back against its stop.
2.
Slacken the two M4 socket screws in the terminal clamps.
3.
Fit the wire basket so that it lies diagonally across the screws and between the
clamps and the terminals (see
Figure 7-7
).
4.
Tighten the two M4 screws.
5.
Close the lid assembly on to the glass chamber assembly.
6.
Check the copper terminal contacts on the top of the insert are clean and free
from damage (they must have a flat top face) and that the contacts in the
underside of the top cover assembly are also clean and flat.
7.
Close the top cover assembly and press firmly down to secure the latch.
7.4.2
Installing a Molybdenum Boat for Aperture Cleaning
To install a molybdenum boat:
1.
Open the lid assembly and lay back against its stop.
2.
Slacken the two M4 socket screws in the terminal clamps.
3.
Fit the molybdenum boat between the screws and between the clamps and the
terminals.
4.
Tighten the two M4 screws.
5.
Close the lid assembly on to the glass chamber assembly.
Clamp/M4 screw
Wire basket
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