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Show: Crystal Growth Furnaces Special Furnaces Scientific Accessory


HKZ High Pressure Crystal Growth Furnace

The abbreviation HKZ stands for an optical floating zone furnace which is appropriate to work with gas pressures of up to 150 bar in the growth chamber. Additionally, the gas flow can be controlled over the complete pressure range. This world wide unique setup allows the user to positively influence the growth of materials, which are difficult to handle at low pressures due to their higher volatility or higher partial pressure of elements.

Standard parts
 1  Optical Floating Zone Furnace for melting operating temperature up to 2900°C
 1.1  Control Unit – System contol with 2x 27“ touch screen process control display
 1.2  Lamp power supply, Lamp power control incl. PLC integration
 1.3  Process monitoring CCD camera; incl. PLC integration
 1.4  Mirrorset (Upside and downside Mirror)
 1.5  Lower pulling drive with Growh rate: 0.1-50 mm/h, Rotation: 0-70 rpm; Fast gear, Transfer length 150mm; incl. PLC integration; position sensor; stainless steelt sample holder for sample Ø 6,8mm
 1.6  Upper pulling drive with Growh rate: 0.1-50 mm/h, Rotation: 0-70 rpm; Fast gear, Transfer length 160mm; incl. PLC integration; position sensor; stainless steelt sample holder for sample Ø 6,2mm
 1.7  Lamp moving system / focusing system, motorized driven x-, y-, z-axis by precision linear drives; incl. PLC integration
 1.8  Light power shutter system to controll the light energy; incl. PLC integration
 1.9  Process window in the upper door for direct view of the growth process
 1.10  Safety system with protection housing, door lock system, automatic shut down function
 1.11  XBO Lamp 5000W
 1.12  Protective clothing for lamp changing
Configuration parts
 2.0  Low pressure application, pressure control up to 10 bar, incl. 1 each Process chamber up to 10bar; chamber supporting system; Basic Item to use low pressure gases. Alternative system to Item 3.0 (only if no high pressure gas will be used)
 2.1  Gas control system for Oxygen up to 10 bar, pressure and flow controlled; flow rates 0-1 l/min; incl. PLC integration
 2.2  Gas control system for Argon up to 10 bar, pressure and flow controlled; flow rates 0-1 l/min; incl. PLC integration
 2.3  Gas control system for Ar 95%/ H2 5% up to 10 bar, pressure and flow controlled; flow rates 0-1 l/min; incl. PLC integration
 2.4  Gas control system for Nitrogen up to 10 bar, pressure and flow controlled; flow rates 0-1 l/min; incl. PLC integration
 2.5  Gas control system for other Gases up to 10 bar, pressure and flow controlled; incl. PLC integration
 3.0  High pressure application up to 150 bar, incl. 1 each Process chamber up to 150bar; chamber supporting system; Basic Item to use high pressure gases. Alternative system to Item 2.0
 3.1  Gas control system for Argon 10 - 150 bar, pressure and flow controlled; flow rates 0-1 l/min; incl. PLC integration
 3.2  Gas control system for Oxygen 10 - 150 bar, pressure and flow controlled; flow rates 0-1 l/min; incl. PLC integration
 3.3  Gas control system for Oxygen 10 - 150 bar, pressure and flow controlled; flow rates 0-25 ml/min; incl. PLC integration
 3.4  Gas control system for other Gases, pressure and flow controlled; incl. PLC integration
 4.0  patented in situ Temerature Measurement System with bi-color pyrometer (range 601-3300°C); incl. PLC integration
 5.0  Vacuum and Gascleaning application
 5.1  Standard Vacuum connection up to 1x 10-2 mbar ( instead Item 5.2 or 5.3)
 5.2  Advanced vacuum connections for low pressure system up to 10 bar ( instead Item 5.1 or 5.3) with special valve and wide diameter pipe up to 1x 10-5 mbar
 5.3  Advanved vacuum connections for high presure system up to 150 bar ( instead Item 5.1 or 5.2) with special valve and wide diameter pipe up to 1x 10-5 mbar
 5.4  Vacuum turbo pump system
 5.5  Vacuum sensor up to 1x10-4mbar; incl. PLC integration (instead of Item 5.6)
 5.6  Vacuum sensor up to 5x10-9mbar; incl. PLC integration (instead of Item 5.5)
 5.7  Gas cleaning system for Argon (reduces oxygen up to 10-11ppm O2); incl. PLC integration
 5.8  Oxigen control system to check the oxygen rate; incl. PLC integration
 6.0  Afterheater option basic installation and control system; incl. PLC integration (required to use Item 6.1..6.3)
 6.1  Afterheater up to 10 bar
 6.2  Afterheater up to 150 bar (only for Agron use)
 6.3  Afterheater up to 150 bar (usable with Argon and Oxygen)
 7.0  Lamp booster upgrade to use special lamps for higher light density and higher temperatures (required to use Item A8...A10)
 8.0  Transfer length upgrade 200mm for pulling drive system
 9.0  Datalogging system; includes logging and transfer of all process data to ext. USB
 10.0  Video application system; zoom, grid, snapshot, measuring at videopicture of the sample during the growth process
 11.0  Power ramp function for Power-shutter and lamp power control to create time based power sequences
 11.1  Traveling ramp function for pulling drive control (rotation and translation speed of both pulling drives to create time based traveling sequences
 12.0  Gold coated mirrors upgrade
 13.0  Metal sealed process chamber (only 10 bar)
 14.0  Pressure test bench to check the high pressure process chamber before use
Spare parts
 A1  process chamber for pressure up to 10 bar
 A2  Process chamber for pressure up to 150 bar
 A3  seal set process chamber
 A4  protection tube set inclusive centrator ans sealing to minimize the process chamber-pollution
 A5  protection tube to minimize the process chamber-pollution
 A6  XBO Lamp 3000W
 A7  XBO Lamp 5000W
 A8  XBO Lamp 7000W (upgrade Item 7.0 required to run this lamp)
 A9  XBO Lamp 6500W HD (upgrade Item 7.0 required to run this lamp)
 A10.0  XBO Lamp 8000W HD(upgrade Item 7.0 required to run this lamp)
 A11  Heating element for Afterheater Pos. 6.1
 A12  Heating element for Afterheater Pos. 6.2
 A13  Heating element for Afterheater Pos. 6.3
 A14  Sample holder: staineless steel (standard)
 A14.1  Lower sample holder for sample Ø 6,8mm - Amount:
 A14.2  Lower sample holder for sample for sample Ø 9,8 mm - Amount:
 A14.3  Lower sample holder for sample for sample Ø customer specification - Amount:
 A14.4  Upper sample holder for sample Ø 6,2mm - Amount:
 A14.5  Upper sample holder for sample for sample Ø 8 mm - Amount:
 A14.6  Upper sample holder for sample for sample Ø customer specification - Amount:
 A15  Sample holder: staineless steel (high termperature)
 A15.1  Lower sample holder for sample Ø 6,8mm - Amount:
 A15.2  Lower sample holder for sample for sample Ø 9,8 mm - Amount:
 A15.3  Lower sample holder for sample for sample Ø customer specification - Amount:
 A15.4  Upper sample holder for sample Ø 6,2mm - Amount:
 A15.5  Upper sample holder for sample for sample Ø 8 mm - Amount:
 A15.6  Upper sample holder for sample for sample Ø customer specification - Amount:
 A15.7  Upper shaft adapter - Amount:
 A16  Ceramic or other materials sample holder - Amount:


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LKZ Laser Crystal Growth Facility

Single crystal growth with heating by high efficiency energy conversion laser diodes featuring excellent light condensation. A variety of different lasers offers the ability of growing multiple materials.

Standard parts
 1  Laser Crystal Growth Facility "LKZ"
 2  Laser diodes
 3  Pulling drive speed 0,1..100 mm*h-1 (fast gear for maintenance)
 4  Rotation drive speed 0..130 min-1
 5  Pulling length up to 140 mm
Configuration parts
 B2  Data logging and Video application System
 B3  Patented in situ Temerature Measurement System
 B5  Gas control system for Oxygen up to 10 bar
 B6  Gas control system for Ar 95%/ H2 5% up to 10 bar
 B7  Gas control system for Nitrogen up to 10 bar
 B8  Gas cleaning system for Argon
 B9  Oxygen controll system to check the the oxygen rate in the gas mix
 B10  Upgrade for vacuum up to 1*10-5 mbar includes improvement of tube-, seal- and chamber system
 B11  Lamp moving system / focousing system motorized driven z-, y- and x-axis by precision linear drives, movable during process
 B12  After heater (price depends on system specifications)
 B13  Magnetic field generator
 B1  Laser type
Spare parts
 A1  2nd process chamber for pressure up to 10 bar
 A2  Seal set
 A3  Protection tube to minimize the process chamber-pollution


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KTS Levitation melting facility

The levitation melting facility KTS enlarges the lineup of auxiliary equipment by a component for preparation of solid rods from metallic precursors. It enables the user to carry out several processes like cleaning the precursors by casting, prealloy materials and to cast the final material shaped as a rod for crystal growth.

Standard parts
 1  Levitation melting facility „KTS“ with tuneable 50 kW high frequency generator system
 2  Vacuum turbo pump system
Configuration parts
 B1  Pyrometric measurement system
 B2  Camera for process monitoring
 B3  Water/water chiller
 B4  Argon gas cleaning system (Oxygen reducer)
Spare parts
 A1  Crucible
 A2  Process chamber quartz tube
 A3  Gauge glas


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HSO High pressure oxygen sintering-furnace

The high pressure sintering furnace HSO completes the preprocessing setup for the high pressure crystal growth furnace HKZ. It covers the range from sintering oxidic rods for crystal growth to maintaining phases which are only stable at higher oxygen pressures. Besides that, it can be used to retreat materials again after crystal growth at high oxygen pressures up to 500 bar and at temperatures up to 1300°C.

Standard parts
   High pressure oxygen sintering-furnace HSO
   Max. temperature 850°C
   Maximum pressure 150bar
   Max. heating rate 5K/min
   Max. sample dimensions 15mm diameter, 200mm length
   Atmosphere: Oxygen
Configuration parts
   Max. temperature
   Max. pressure
   Max. heating rate
   Max. sample dimensions
   Multi range heater
   Defined temperature gradient


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HMO High pressure multi gas furnace

The high pressure multi gas sintering furnace HMO allows heat treatment of materials under different atmospheres. It covers the range from sintering rods for crystal growth to maintaining phases which are only stable at higher pressures. Besides that, it can be used to retreat materials again after crystal growth at high pressures up to 500 bar and at temperatures up to 1300°C.

Standard parts
 1  High pressure multi gas furnace
   Max. temperature 850°C
   Max. pressure 150bar
   Max. heating rate 5K/min
   Max. sample dimensions 15mm diameter, 200mm length
   Atmosphere: Oxygen
Configuration parts
   Max. temperature
   Max. pressure
   Max. heating rate
   Max. sample dimensions
   Additional gases
   Argon
   Oxygen
   CO2
   Helium
   Former gas
   CO
   other
   Multi zone heater
   Vacuum turbo pump and measurement system for evacuating process chamber before atmosphere change
   Defined temperature gradient


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PTM Phase Transition Microscope

Standard parts
   Phase Transition Microscope


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KIP Isostatic press

The cold isostatic press KIP is a helping tool for densifying rods of oxidic, or in general, ceramic materials. The isostatic pressing hereby avoids the problem of uniaxially pressed rods, like longitudinal cracking, and leads to a more homogeneous density. A further advantage is the near circular cross-section of the resulting rods, especially for using them in optical floating zone furnaces like HKZ or TKZ.

Standard parts
 1  Isostatic press
   Process chamber dimensions: 25mm diameter; 250mm length
   Max. pressure 3000bar
Configuration parts
   Dimensions process chamber
   Max. pressure
Spare parts
 A1  O-ring seal set


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GRS Gas cleaning system

Gas cleaning system for Argon

Standard parts
 1  Gas cleaning system GRS
   Max. pressure 10bar
   Max. volume flow rate 1l/min
   Atmosphere Argon
   Residual oxygen <1*10e-14ppm
Configuration parts
   Min. pressure
   Max. pressure
   Max. pressure (>300bar)
   Max. volume flow rate
   Residual oxygen measurement system


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LDS Linear drive

The Linear drive systems LDS transmits defined moves through magnetic traction into the vacuum or pressure chamber. This technology replaces common susceptible vacuum linear feedthroughs. Disadvantages of common drives with pressure differences between atmosphere and the inside of the vaccum (or high pressure) system are no longer present because of the closed system. So far the linear feedthrough was engaged in coating systems ( e.g. Magnetron-Sputter-systems), where multi layers with highest precision and high reproducibility are applicated.

Standard parts
 1  Linear drive
   Lift [mm]
   Max. load [g]
   Max. permissible bending of support rod (max. load) [mm]
   Min. pressure [mbar]
   Max. pressure [bar]
   Flange connection
   Flange connection diameter
   Drive precision [mm]
   Max. tebsile force [N]
   Max. operating temperature [°C]
   Anti-twist piston rod
   Max. rotation angle piston rod
   Max. torque piston rod
   Mounting position
   Preferred drive mechanism
   Max. overall length


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