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Acktar Light Absorbent Foil
From fast modifications to stock optics to custom designs, we can help you take your optical system from design to prototype to volume production. Contact us to get started today.
Acktar 吸光箔片與吸光薄膜用於不能對零部件直接鍍膜的應用（包括光學包裝、雷射設備與平臺、紅外系統或被動熱控制）可消除光反射。Acktar 吸光箔片與吸光薄膜具有高發射率、低反射率、低釋氣率、出眾的生物相容性、寬泛的工作溫度範圍以及與 1 級潔淨室相容等特點。Acktar 吸光箔片與吸光薄膜有預先切割樣式，也可提供大張版本供使用者客製切割樣式。
Acktar 吸光箔片與吸光薄膜採用 Metal Velvet™ (散射鍍鋁膜)、 Spectral Black™ (半鏡面鍍鋁膜)、MaxiBlack™ (聚醯亞胺散射鍍膜) 或 Lambertian Black™ (不銹鋼散射鍍膜)。Metal Velvet 具有卓越的光吸收性能，而 Spectral Black 更加耐用， Lambertian Black 在掠射角度下的性能更佳。Maxiblack 不僅靈活耐用且不導電，可用於需要使用不導電的吸光材料的應用。
請注意：Metal Velvet 耐磨性較差，因此在沒有使用適當設備的情況下應避免所有表面接觸。
| Product Type | Metal Velvet™ | Lambertian Black™ | MaxiBlack™ | Spectral Black™ | Hexa-Black™ |
| Key Features | Low reflectance of ~1% | High absorption at grazing angles | Thin polyimide, nonconductive substrate | Semi-specular finish | Ultra-high absorption at grazing angles |
| Substrate Material | Aluminum | Stainless Steel | Polyimide (Kapton) | Aluminum | Aluminum Honeycomb |
| Substrate Thickness | 120µm | 100µm | 75µm | 130µm | 2mm |
| Appearance | Diffusive | Highly Diffusive | Diffusive | Specular | Diffusive 3D Structure |
| Typical Spectral Range | EUV - FIR | EUV - FIR | UV - MWIR | VIS - MWIR | EUV - FIR |
| AOI Range | 0 - 60° | 0 - 80° | 0 - 60° | 0 - 45o | 0 - 88° |
| Reflectance @ 0° AOI | ~1% | ~1.5% | ~2.5% | ~2% | ~1.5% |
| Abrasion Resistance | Light | Moderate to High | Moderate | Moderate | Moderate |
| Cleanliness | Class 10000 - ISO 7 | Class 100 - ISO 5 | Class 100 - ISO 5 | Class 100 - ISO 5 | Class 10000 - ISO 7 |
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