About OTFC Series
OTFC-900
OTFC series, based on the ion-assisted technology, are the most suitable coating system for producing AR coatings and optical filters such as edge filters, band pass filters etc.
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Chamber size: φ 600mm-φ1800mm
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60-point optical thickness monitor.
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RF ion source achieving uniformed, larger ion beam distribution
over a larger area at high ion current density.
over a larger area at high ion current density.
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Over 100 layers can be deposited by 2 EB guns and multi-point
crucible hearth or annular hearth.
crucible hearth or annular hearth.
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Auto-deposition control system for fully automated process.
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Center-driving or planetary substrate dome is selectable.
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Diffusion pumps plus Polycold or Cryo- pumps.
Specifications
| Model | OTFC-900CBI/DBI |
| Vacuum Chamber | SUS304, φ900mm×1300mm (H) |
| Substrate Dome Size | φ 790mm |
| Substrate Dome Rotation Speed | 10 rpm to 30 rpm (Variable) |
| Optical Film Thickness Control System | HOM2-R-VIS350A High-precision Optical Monitor Wavelength range: 350nm to 1100nm Reflection/Transmittance |
| Crystal Film Thickness Monitor | XTC/3 plus 6-point rotary sensor |
| Evaporation Source | EB source: 2 units |
| Ion Source | 10cm RF Ion Source |
| Vacuum System | Roughing Pump, Diffusion Pump + Polycold Or Cryo Pump + Cryo Trap |
Performance
| Ultimate Pressure | 7.0 × 10-5 Pa or lower |
| Pump Down Rate | 15 min (Atm. to 1.3×10-3 Pa) |
| Substrate Heater | 350℃ (max.) |
Utility
| Layout Dimensions | 4500mm (W)×5500mm (D)×3200mm (H) approx. |
| Power Requirements | 3-phase, 200V, 50/60Hz, 80kVA approx. |
| Cooling Water Flow Rate | 80ℓ /min or greater |
| Compressed Air Pressure | 0.5MPa or greater |
| Gross Weight | 5400kg approx. |
