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Product introduction: One of the main products of Inner Mongolia J-crystal, raw material of high quality LED substrate .Excellent quality and without color, damage or impurity .With the constant optimizing of production technology, process is becoming more and more perfect. It is inspected and approved by authority and can rival with famous international brand in quality.
Application: High quality and highlight LED substrate
| 蓝宝石晶棒规格/特性 |
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| Item | 2"Specification/ | 4"Specification/ | 6"Specification/ |
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| 项目 | Characteristics | Characteristics | Characteristics |
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| 2"规格 / 特性 | 4"规格/特性 | 6"规格/特性 |
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| purity纯度 | ≥99.998% | ≥99.998% | ≥99.998% |
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| Surface Orientation | C-plane（0001） | C-plane（0001） | C-plane（0001） |
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| 表面方向 |
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| M-axis Orientation Tolerance(α)M | ±0.1 | ±0.1 | ±0.1 |
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| 轴的角度偏差 |
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| A-axis Orientation Tolerance(β) | ±0.1 | ±0.1 | ±0.1 |
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| A轴的角度偏差 |
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| Primary Flat Orientation | A-plane（11-20） | A-plane（11-20） | A-plane（11-20） |
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| 定位面方向 |
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| M-axis Orientation Tolerance(γ) | ±0.1 | ±0.1 | ±0.1 |
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| M轴的（γ）角度偏差 |
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| A-axis Orientation Tolerance(β) | ±0.1 | ±0.1 | ±0.1 |
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| A轴的（β）角度偏差
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| Flat Length | 16±0.5 | 30.0±1.0 | 49±1.0 |
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| 定位面长度 |
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| Flat Height | 49.5±0.5 | 97.5±0.5 | 149.95±0.5 |
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| 定位面高度 |
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| Angle of C-plane and A-plane | 90±0.2 | 90±0.2 | 90±0.2 |
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| C面A面夹角 |
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| Diameter | 50.8±0.1 | 100.5±0.1 | 150±1.0 |
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| 直径 |
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| Circularity | ±0.05 | ±0.05 | ±0.05 |
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| 圆度 |
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| Straightness | ±0.05 | ±0.05 | ±0.05 |
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| 平直度 |
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| Usable Ingot Length | ＞50 | ＞50 | ＞50 |
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| 可用长度 |
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