Precision pattern layer used in calibration targets for optical and imaging system alignment and accuracy verification.
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Feature Size | 1 μm to 10 mm | |
| Contrast Ratio | >1000:1 | |
| Surface Quality | 10-5 scratch-dig | |
| Pattern Accuracy | ±0.5 μm to ±5 μm | |
| Substrate Flatness | λ/4 to λ/10 | |
| Temperature Stability | ±0.1 ppm/°C |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is used in the following industrial products
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The pattern layer provides precisely defined reference features that enable measurement and correction of optical distortions, scaling errors, and alignment inaccuracies in imaging and measurement systems.
Pattern layers should be verified annually under normal use, or more frequently in high-precision applications. Replacement depends on wear, contamination, or damage, typically every 3-5 years with proper handling.
Chromium-on-glass and ceramic substrates provide excellent durability, chemical resistance, and thermal stability for long-term calibration accuracy in industrial environments.
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