Valved Sources
VACS
Valved Arsenic Cracker Source
- Compatible with all MBE systems
- Crucible capacity 300 cm³, 500 cm³ or 2000 cm³
- Large valve opening
- Precise and very fast flux control
- Easy handling and refilling procedure
- Integrated water cooling shrouds
VGCS
Valved GaP Compound Source
- Produces pure P2 species (P2/P4 > 150)
- Fast, stable and reproducible flux control
- Large crucible capacity of 420 cm3
- Safe cell loading and operation
- Reliable large cross section cone valve
- No hot cracker zone
- Injector length and flux distribution adjustable to fit most MBE systems
VCS
Valved Sulfur Cracker Source
- Provides cracked or uncracked sulfur flux
- Suitable for other materials like Cs, Pb, K as well (modifications on request)
- Flux modulation and on/off control by motorized valve
- Source capacities from 300 up to 9600 cm³
- Water-cooled assembly
- Excellent flux uniformity due to beam shaping nozzle
- Avoids loss of sulfur during system bakeout
VSCS
Valved Selenium Cracker Source
- Provides cracked or uncracked selenium flux
- Flux modulation and on/off control by motorized valve
- Source capacities from 300 up to 9600 cm³
- Water-cooled assembly
- Excellent flux uniformity due to beam shaping nozzle
- Avoids loss of selenium during system bakeout
VCCS
Valved Corrosive Material Cracker Source
- Evaporation and cracking of Sb, Te, Mg, and other corrosive materials
- Large crucible capacity of 420 cm³
- All PBN construction of valve and cracker stage
- Fast, stable and reproducible flux control
- Easy installation and refilling procedure
- Injector length and mounting flange adjustable to fit most MBE systems
AKS
Valved Alkali Metal Source
- Compatible with most MBE systems
- Large capacity 150 cm3 evaporator
- Ideal source for Cs and Rb evaporation
- Easy and safe refilling procedure
- Precise and very fast flux control
HGS
Valved Mercury Evaporation Source
- High throughput of up to 60g Hg/h
- Large capacity 250 cm3 evaporator
- 3000 cm3 (40kg Hg) equalizing tank
- Larger capacity on request
- Easy and safe refilling procedure
- Compatible with most MBE systems
VSS
Valved Sulfur Source
- Provides sulfur flux rates for R&D applications on a DN40CF flange
- Flux regulation and on/off control by motorized valve
- UHV-tight valve
- Water-cooled cracker with beam shaping nozzle
- 12 cm³ or 150 cm³ reservoir
- Reservoir and valve are located ex vacuum
VTCC
Valved Thermal Cracker Cell
- Full PBN solution for corrosive materials like Te, Sb, Se, As, Zn and Mg
- DN40CF (O.D. 2.75" ) mounting flange compatible with all MBE systems
- Thermal cracking up to 1300°C
- 130 cm3 PBN reservoir
- Excellent thermal isolation between low temperature reservoir and hot cracking zone
- Integrated water cooling for cracker stage
- Integrated rotary shutter (optional)
