Single Filament Cell SFC

This type of effusion cell is designed for the evaporation of materials such as germanium, tin, gold, silicon, copper etc. A tantalum wire is used for the heating system and PBN rings for the electrical isolation. The heating system is surrounded by several tantalum foils to minimize heat radiation. Direct heat transfer from the filament to the crucible reduces the power consumption and gives an exellent control of the flux. PBN crucibles are standard with this type of effusion cell - other crucible materials are possible.

Technical Data:

Type	SFC
Heating system	Radiation heating, tantalum wires with PBN insulators
Temperature range	50°C … 1400°C
Temperature stability	≤0.1°C depending on the PID controller
Max. outgas temp.	1600°C
Max. power	360W (NW 40 CF)
Max. current	12A
Bakeout temperature	250°C
Conditioning	Heated to maximum temperature with and without crucible
Shipping	Stainless steel container with valve

Standards:

Flange size	CF40 / CF63 / CF100 or specified
Max outer diameter	38mm / 61mm / 97mm or specified
Length	180mm ... 300mm or specified
Thermocouple	Type C or specified
Crucible material	PBN / PGR / W / Ta / Mo / quartz
Crucible capacity	All standard sizes or specified

Options:

Hot-lip filament to avoid condensation on the crucible orifice
Molybdenum version
Downward looking version
Integrated shutter
Water cooling

Available Downloads:

Effusion-cell-SFC.pdf (82.74 KB)

For further information, please contact
sales(at)createc.de.