Equipment
Lithography
Zeiss NVision 40 High End Cross Beam
- Electron column: high resolution (1,3nm) field emission- Ion column: high resolution (4nm), suitable for deposition and etching
- Fabrication of TEM-Samples and analysis in transmission
Raith eLine Electron Beam Lithography
- High resolution (20nm and below)- 100 x 100 mm laser interferometer table
- Positioning accuracy 2nm in x- and y-direction
- 1,6nm beam diameter
Karl Süss MA4 Maskaligner
- up to 4"-substrates, up to7"-masks- Resolution: standard 800nm, optional up to 300nm
Epitaxy Systems
Varian Gen II Modula MBE
- Coupled systems for GaAs and InP growth- Sub-nm layerthickness control
- In-situ-control by RHEED / Ultra High Vacuum ( 10E-8 - 10E-10 mbar )
- Materials : Ga, In, Al, As2, Si, Be
- Reactor A: Silicon E-Beam-Evaporator, Hydrogen-Cracker (H)
- Reactor B: Phosphorus-Cracker
Varian Gen II Mod MBE
- Epitaxy of single crystals- Layer thickness accuracy in the sub-nm range
- In-situ-control by RHEED
- Ultra High Vacuum
- Material: Gallium(Ga), Indium(In), Aluminium(Al), Arsenic(As), Silicon(Si), Beryllium(Be)
AsTex MWCVD
MicroWave Plasma Chemical Vapour Deposition- Process gases: methane(CH4), hydrogen(H2), nitrogen(N2), argon(Ar), oxygen(O2)
- Materials: Poly- and nanocrystalline diamond films (PCD and NCD)
Deposition
Roth ß Rau Ionsys 1000 IBD
Ion Beam Deposition- Class 1 cleanroom section
- Multilayer systems (DBR,VCSEL,etc.)
- In-situ process control
- Material: metals(e.g. Al,Zr,Cr), oxides(e.g.ITO,TiO,SiO2), nitrides (e.g. Si2N3)
- Process gases: Argon(Ar), Xenon(Xe), Oxigen(O2), Nitrogen (N2)
Pfeiffer PLS 500 Evaporation System
- Thermal or electron beam- Materials: Titan(Ti), Nickel(Ni), Chrom(Cr), Platin(Pt), Aluminium(Al)
Balzers BAK 600 Evaporation System
- Thermal or electron beam- Processgas: Argon (Ar)
- Material: Nickel (ni), Titan (Ti), Platin (Pt), Gold (Au), Germanium (Ge), Chrom (Cr)
Oxford Plasmalab 80 PECVD
Plasma Enhanced Chemical Vapour Deposition- Process gases: Silan (SiH4), Hydrogene (H2), Ammonia (NH3), Nitrous oxide (N20)
- Material: Silicon Nitride (SiN), Silicon Oxide (SiO), Silicon (Si)
Dry Etching Systems
2 Oxford Plasmalab 100 ICP-RIE
Inductive Coupled Plasma - Reactive Ion Etching- ICP 1: for deep etching of silicon with flourine-donators (Bosch-Prozess)
- ICP 2: for etching of semiconductor materials (e.g. GaAs) with chlorine-donators
Castor and Pollux RIE
Reactive Ion EtchingParallel Plate Reactor
- Process gases: Argon(Ar), Trifluormethane(CHF3), Sulfur hexafluoride(SF6), Oxygen(O2)
- Material: Silicon Nitride(SiN), Silicon Oxide(SiO)
Oxford Plasmalab 80 Plus RIE
Reactive Ion EtchingParallel Plate Reactor
- Process gases: Hydrogen (H2), Methan(CH4)
- Material: Indium(In), Phosphorus(P), Gallium(Ga), Arsenic(As) compound semiconductors
Plasmalab RIE
Reactive Ion Etching- Etching of BCB, SiO2, SiN, Si
- Process Gases: CHF3, Ar, SF6, O2
Other Devices
RTA
Rapid Thermal Annealing- Process gas: Argon (Ar), Nitrogen (N2)
- Temperaturecontrol by Thermoelement or Pyrometer
- Temperatures up to 1300°C
Analytics
AFM Nanoscope Dimension 3100
- Atomic Force Microscopy with Contact- and Non-Contact-Modus- Wafer up to 6" diameter
AFM CP-II
- Atomic Force Microscopy with Contact- and Non-Contact-Modus- Scanning Tunnelling Microscopy
- Nanolithography
2 Scanning Electron Microscopes / Hitachi s-4000 and s-4100
- Resolution: 1,5nm at 30kV, WD 5mm- Magnification: 20x to 300000x
- Accelerating voltage: 0,5 to 30kV
- s-4000: Active image acquisition/processing system DISS 5
- s-4100: Energy dispersive spectrometer EDAX DX-4, Backscattered electron detector
Spectroscopy Set-up
Absorption- and Photoluminescence-Spectroscopy- Temperature control down to 10K
- Sub-nm spectral resolution
- Si-photodiode and InGaAs-diode for wavelengths up to IR
- Lock-in detection
Micro Photoluminescence Spectroscopy
- high resolution 1m-Czerny-Turner Monochromator- nitrogen cooled CCD-Camera (deep depletion, anti-etaloning)
- Cryostat cooled with liquid helium, Temperature Range: 3,5K-475K
- high resolution Linear Stages with 0,1µm position control
- microscope objective with 0,7µm resolution power
Laserdiode Characterization ( pulsed )
- Driver current up to 2A- 500ns puls duration, 1ms puls distance
- Temperature control from -10°C up to 150°C
- Ultrafast InGaAs- und Si-photodiodes for detection
- Farfieldmeasurement for x- und y-Axis
Laserdiode Characterization ( cw )
- Driver current up to 500mA, with 10µA resolution- Measurements of Multisectionlasers (3 Needles)
- Temperature control from -10°C up to 150°C
Laserdiode Characterization ( high power cw )
- Driver current up to 40A, 10mA resolution- Complete laser diode characterization Io,Vf and Po
- Temperature control from -50°C up to 150°C, accuracy of +/-0,1°C
- Heat sink integrated
Optical Spectrum Analyser
- Wavelength sensitivity range: 600nm - 1700nm- High resolution of 0,02nm
- Suited for DWDM-Networkanalysis
- Extensive Analysis- and Fittingfunctions (Power,WDM,SMSR,etc.)
- 7 independent measurement tracks
Phillips PW 3710 MPD X-ray diffractometer
- High resolution (thickness, strain, dislocations)- 3-Axes Geometry
- suited also for powder
Leica DMR Microscope
- up to 1000x Magnification- Contrast methods: bright field, dark field, differential interference contrast
- Impinging light and transmitted light
Zygo New View 5000 White Light Interferometer
- Vertical resolution down to 0.1nm- Objectives: 5x Michelson, 50x Mirau
- xy-motordesk for stitching
- Extended vertical scan length up to 20mm
Ambios Technology surface profilometer XP-100
- 3 nm measurements accuracy- 0,03-10 mg Stylus-compression force
- 1,2 mm. max range of measurement in the z-direction
- analysis of step height, layer thickness, roughness, waviness, thin-layer stress





































