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Thick Silicon Cladding
ZeCoat's proprietary polishable silicon cladding lets aluminum and other lightweight mirror substrates be finished to the optical-quality roughness that demanding ultraviolet applications require.
Publications
Process & Film Properties
| Property | Value |
|---|---|
| Deposition Method | Ion-assisted thermal evaporation |
| Substrate Temperature | ~100 °C |
| Residual Stress | <~100 MPa |
| Polished Surface Roughness | <2 Å RMS |
Environmental Durability
| Test | Specification | Description |
|---|---|---|
| Adhesion | MIL-PRF-13830B Sect. B.3.9 / B.4.4.6 | Slow-pull, 90-deg |
| Abrasion | MIL-PRF-13830B Sect. B.3.8 B.4.4.5 | Moderate cheesecloth, 50 strokes |
| 24-hr Humidity | MIL-PRF-13830B Sect. B.3.10 / B.4.4.7 | 50C/95%/24-hr |
| Thermal Cycle | MIL-PRF-13830B Sect. B.3.7 B.4.4.4 | +75 C / -80 C |
| Coating Surface Quality | MIL-PRF-13830B Sect. C.3.4.4 / C.4.5.3.4 | - |