1um Precision Non-Reflective High Contrast Vision Calibration Target Calibration Board for Machine Vision Systems
Vision Calibration Target High Contrast
,Vision Calibration Target Non Reflective
,QR Code Calibration Target
A high-precision QR code vision calibration target engineered for machine vision systems. Featuring micron-level accuracy, high contrast, and a non-reflective finish, it delivers clear, reliable pattern recognition across demanding industrial, medical, and scientific applications.
Designed for machine vision calibration across a wide range of equipment, including security systems, film and television production, medical imaging, cameras, drone cameras, photography studios, and scientific research instruments.
The QR code calibration plate substrate is optional. Different substrates — such as glass, ceramic, and aluminum plate — can be customized to match specific usage scenarios, environments, and accuracy requirements.
| Manufacturing Process | Photolithography | Glass Substrate | Quartz glass (fused silica) / soda glass |
| Minimum Line Width | 1 µm / 0.55 µm | Transmittance Rate (@550 nm) | >95% |
| Feature Accuracy | ±1 µm | Coefficient of Thermal Expansion (20–200 °C) | <5.0×10⁻⁷/K |
| Coating | Yellow chromium, bright chromium, blue chromium (low reflectivity) | Expansion Ratio (20–200 °C) | 0.00006% (0.6 µm/°C of 1 m) |
| Reflectance | <13.4% @550 nm <1.8% @650 nm <2.67% @750 nm | Surface Flatness | <0.55 µm (length <50 mm) <2 µm (length <100 mm) <5 µm (length >100 mm) |
| Coating Accuracy | 120 nm (±0.20 nm) | Surface Roughness | <0.025 µm |
| Optical Density OD | Yellow chromium 3 (blue 5) | Thickness | 1 mm, 1.6 mm, 2.3 mm, 3 mm (±0.2 mm) (500×500×4.8) |
| White Background | Minimum line width: 10 µm White background thickness: 40 µm (smooth white coating on the back) | Minimum / Maximum Size | Min: 2×2 mm Max: 800×960 mm (±0.1 mm) |
| Positive & Negative Shapes | Positive: pattern opaque Negative: pattern translucent | Appearance and Shape | Square |
| Manufacturing Process | Photolithography | Type | Matte chromium on matte ceramics Bright chrome on glossy ceramics |
| Type | Matte ceramic / Glossy ceramic | Ceramic Substrate | Zirconia / Alumina |
| Minimum Line Width | 4 µm (matte) / 2 µm (glossy) | Thickness | 1 mm (±0.1 mm, common) 2 mm (common) 3 mm (±0.1 mm) |
| Feature Accuracy | ±2 µm | Surface Flatness | <30 µm (length <100 mm) <60 µm (length <200 mm) |
| Appearance Accuracy | ±0.05 mm | Size Range | Min: 2×2 mm (±0.1 mm) Max: 228×228 mm (±0.1 mm) |
| Coating | Chromium | Surface Roughness | <0.2–0.7 µm |
| Light / Matte Coating | Matte chromium coating / bright chrome coating | Coefficient of Thermal Expansion (40–400 °C) | <6.7×10⁻⁶/K |
| Reflectance | <12.88% @550 nm <10.62% @650 nm <12.23% @750 nm (matte) <9.56% @550 nm <1.89% @650 nm <11.168% @750 nm (glossy) | Unit Weight | ≥3.66 g/cm³ |
| Coating Thickness | 100–120 nm | Rockwell Hardness | ≥80 HRA |
| Positive and Negative Shapes | Positive film: opaque pattern Negative film: transparent pattern | Appearance and Shape | Laser cutting of any shape: square, ellipse |
| Protective Layer | The thin film above the chromium layer makes the chromium pattern more durable | Special Shape | Punch, chamfer, oblique angle |
| Manufacturing Process | Lithography (film lithography machine) | Application | Used for transmission / backlight / functional testing |
| Minimum Line Width | 10 µm / 30 µm optional | Coefficient of Expansion | Film shrinks when heated and expands when cooled |
| Feature Accuracy | ±10 µm | Dimensional Stability | 10 µm/°C of 1 m. When relative temperature is constant and humidity changes by 1 °C, a film of 1 m length changes by 10 µm (one ten-thousandth) |
| Coating | Silver bromide | Transmittance Rate (400–700 nm) | >90% (ultraviolet <400–700 nm > infrared) |
| Coating Thickness | 2 µm | Film Substrate Thickness | 0.18 mm (±0.01 mm) |
| Optical Density OD | OD >4 when 100% black (OD value controllable in grayscale) | Maximum Size | 0.71×0.81 m (±0.1 mm) (minimum line width 10 µm) 1.68×3.5 m (±0.1 mm) (minimum line width 30 µm) |
| Color | Black grayscale, sine grayscale | Appearance | Laser cutting, straight edge cutting, and circular hole hollowing are available |