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Acktar Light Absorbent Foil
Acktar 吸光箔片及薄膜可在無法直接於零件鍍膜的狀況下（包括光學封裝、雷射裝置與平台、紅外線系統或被動熱控制），消除應用中的光反射。Acktar 吸光箔片及薄膜具備高發射率、低反射率、低釋氣、出色的生物相容性，以及寬廣的作業溫度範圍等特性，並與一級無塵室相容。Acktar 吸光箔片及薄膜以預先切割樣式提供，也可供應大張版本供使用者自訂樣式。
Acktar 吸光箔片及薄膜以 Metal Velvet™（鋁擴散鍍膜）、Spectral Black™（鋁半鏡面鍍膜）或 MaxiBlack™（聚醯亞胺擴散鍍膜）供應。Metal Velvet 提供卓越的吸光效能，而 Spectral Black 則較為耐用。Maxiblack 除了耐用及彈性以外，也不會導電，可用於需要無導電性吸光材料的應用之中。
Note: Metal Velvet has low resistance to abrasion and all surface contact should be avoided without proper equipment.
| 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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