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| Categories | LED Sapphire Substrate |
|---|---|
| Brand Name: | Silian |
| Model Number: | Customized |
| Certification: | SGS/ ISO |
| Place of Origin: | Chongqing,China |
| MOQ: | 500pcs |
| Price: | Negotiable |
| Payment Terms: | Western Union, T/T, MoneyGram |
| Supply Ability: | 20,000 pcs/month |
| Delivery Time: | 5-8 weeks |
| Packaging Details: | 1pcs/12pcs/25 pcs |
| Diameter: | 100 ± 0.15 mm |
| LTV: | ≤2.5 um |
| Bow: | 0 ~ (-10) um |
| Color: | Transparent; other colors |
| Name: | 2 Inch LED Sapphire Substrate |
| Material: | High-purity mono-crystal Al2O3 |
| Thickness: | 650 ± 20 um |
| Primary Flat: | 30+1.0 mm |
2 Inch LED Sapphire Substrate For High-End Lighting
Sapphire is the main substrate material for LED lighting chips. Due to its obvious comprehensive advantages in cost and performance, it accounts for up to 90% of all types of substrates for LED lighting.
| Item | 4" | Unit | |||
| Dimension | Diameter: | 100 ± 0.15 | mm | ||
| Thickness: | 650 ± 20 | um | |||
| Primary Flat: | 30+1.0 | mm | |||
| Orientation | Surface-cut: | C plane : Tilt 0.2°±0.1° in M axis / | ~ | ||
| Primary Flat: | A plane : 0° ± 0.15° | ~ | |||
| Flatness | Bow: | 0 ~ (-10) | um | ||
| Warp: | ≤ 20 | um | |||
| Total Thickness Variation (TTV): | ≤ 10 | um | |||
| LTV | ≤2.5 | um | |||
| Front side Roughness | ≤0.2 | nm | |||
| Back side Roughness | 0.8-1.2 | um | |||
| Cleanliness | No particles and fingerprints | ~ | |||
| 4. Material Quality | High-purity mono-crystal Al2O3 | ~ | |||
Application
1. Lighting category: high-end lighting, smart street lights,
various backlight sources, plant lighting, medical applications,
etc.
2. Consumer display electronics window: mobile phone screen,
backlight Mini-LED technology, camera lens, etc.
3. Military applications: missile nose fairings, airborne radar
photoelectric equipment windows, high-performance laser weapons,
bulletproof glass, etc.
4. Special windows: large telescopes, periscopes, scientific
research and investigation equipment, etc.

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