W, Moly, BN, Graphite, Vit.Carbon, Intermetallic, Alumina and Cu Crucibles
Evaporation Tables & Crucible Recommendations
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CRUCIBLE LINERS

Crucible Liners are very useful in electron-beam evaporation. They typically increase the evaporation rates of the material being deposited and they simplify the task of changing from one evaporation material to another. MAT-VAC Technology manufactures and distributes crucible liners. Each of these materials has it's particular application/suitability as a liner (for additional information, please click on the link below):


Evaporation Tables & Crucible Recommendations







Tungsten (W)
Very strong material machined from solid rod. Do not use Tungsten liner with metals which may alloy with it at melting temperatures.

Molybdenum (Mo)
Very strong material machined from solid rod. Do not use Moly liner with metals which may alloy with it at melting temperatures.

Boron Nitride (BN)
Usually used in evaporation of Aluminum. Provides good thermal shock resistance.

Graphite (C)
Used regularly for many different types of evaporation materials. Will assist in increased evaporation rates.

Vitreous Carbon
Especially well suited to chemical etching processes because it is highly resistant to chemicals.

Alumina (Al₂O₃)
Used for many different types of evaporation materials.

Copper (Cu)
Used to prevent contamination of the OFHC copper E-Beam Gun hearth/pocket. It can also be used to reduce the E-Beam Gun hearth/pocket size.

Listed on the next page are the standard Temescal^* crucible sizes (with a drawing) offered for all the above materials.

We ask that you specify part number and quantity when ordering. For special/custom nonstandard crucible liner requirements, please contact us, attaching a sketch of your hearth design and tolerances.