Instruments

Effusion Cell EF 40C1

Quotation inquiry catalog.whishlist.tooltip Design drawing

Technical data

Mounting flange	DN 40CF (rotatable)
Heater	W wire (tungsten)
Temperature range	EF 1200 °C  (~250 °C - 1200 °C) EF 1500 °C  (~250 °C - 1500 °C,                     1600 °C for degas)
Temperature stability	± 0.1°C
Crucible type (option)	PBN, Al2O3, Quartz (other materials on request)
Crucibles volume	5cc
Evaporated materials	All typical materials according to crucible type
Thermocouple type	EF 1200 °C  - type K EF 1500 °C  - type C
Degassing temp.	1600 °C
Water cooling (required)	water flow: > 0.5 l/min, temperature: 20 - 30 °C, max pressure: 6 bar
Insertion length	min. 114mm (other on request) OD: 35 mm
Spot size	Dependent on working distance
Working distance	100 - 150 mm
Bakeout temperature	up to 250 °C
Working pressure	< 10-5 mbar

EF 40C1 Effusion Cell (Knudsen Cell) is a source designed for delivering highly constant evaporation rates by indirect resistive heating at the material.

Custom insertion length 114 - 380 mm (other on request).

Features

• Extremely stable flux rates
• Various crucible materials
• Highly reproducible & reliable
• Suitable for use in any MBE system
• Mo free construction (allows high outgassing temperatures)
• Integral water cooling

Options

• Customised insertion length
• With or without integrated manual/electro-pneumatic shutter
• Linear shift
• Crucibles
• Thermocouple type C or K

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