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| Brand | Top Instruments (TP) |
|---|---|
| Origin | Tianjin, China |
| Manufacturer Type | Direct Manufacturer |
| Product Origin | Domestic (China) |
| Model | TPY-1 |
| Price | Upon Request |
| Angle of Incidence | 20°–90° (±0.05° resolution) |
| Film Thickness Measurement Accuracy | ±1 nm |
| Thickness Range | 1–300 nm |
| Refractive Index Range | 1.0–10.0 |
| Minimum Display Resolution | ≤1 nm |
| Laser Wavelength | 632.8 nm (He-Ne) |
| Optical Center Height | 80 mm |
| Max Sample Diameter | φ140 mm |
| Min Sample Diameter | φ10 mm |
| Max Sample Thickness | 16 mm |
| Polarizer Azimuth Range | 0°–180° (0.05° resolution) |
| Thickness Repeatability | ±1 nm |
| Refractive Index Repeatability | ±0.01 |
| Instrument Weight | 25 kg |
| Brand | Topo |
|---|---|
| Model | TPY-2 |
| Origin | Tianjin, China |
| Manufacturer Type | Original Equipment Manufacturer (OEM) |
| Spectral Range | 632.8 nm (He–Ne laser) |
| Thickness Measurement Range | 1–4000 nm |
| Refractive Index Range | 1.0–10.0 |
| Incidence Angle Range | 20°–90° (±0.05° angular resolution) |
| Sample Diameter Compatibility | Ø10–Ø140 mm, max thickness 16 mm |
| Thickness Accuracy | ±0.5 nm (for films 10–100 nm), ±1 nm (full range) |
| Refractive Index Repeatability | ±0.005 |
| Polarizer Azimuth Range | 0°–180° |
| Optical Center Height | 80 mm |
| Dimensions (L×W×H) | 680 × 390 × 310 mm |
| Weight | 26 kg |
| Interface | USB 2.0 |
| Software | Windows-based ellipsometry analysis suite with real-time data acquisition, multi-layer modeling, and export to CSV, TXT, and XML |
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