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Frequently Asked Questions

     If using a KJLC® system, we recommend our EVCH1 or EVCH10 tantalum heaters with an EVC9AO alumina crucible for the crucible heater/crucible method. Great care must be taken when installing the heater to prevent the outer shields from becoming warped which can cause a short in the heater, causing the welded joints to fail. The heater should be centered between the contacts and the outer shielding must be clear of the leads. Crucibles should be stored in a cool, dry place and always handled with gloves or forceps.

Correct Crucible Heater Set-Up     Incorrect Crucible Heater Set-Up
Correct - crucible heater centered,                  Incorrect - crucible heater off-center,
outer shielding clear of leads                          shielding in contact with leads/inner shielding


Category: Evaporation Sources

Sub-Category: Crucibles and Crucible Heaters

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