Product type: Intrinsic Semiconductor. Application: Watch. Model: FW-LN.
Overview
Customized Anti-Scratch Round Flat Ar Coating Sapphire Crystal Glass for Watch: a custom precision glass component made from Compound Semiconductor. Listed geometry: size 2 Inch, thickness 430um. Listed for Watch applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Compound Semiconductor |
|---|---|
| Type | Intrinsic Semiconductor |
| Size | 2 Inch |
| Thickness | 430um |
| Application | Watch |
| Model NO. | FW-LN |
| Model | Finewen |
| Signal Processing | Polished |
| Materials | Sapphire Al2O3 |
| Surface Treatment | Ssp or DSP |
| Growth Growth | Ky |
| Orientation | C Plane |
| Batch Number | 2010+ |
| Manufacturing Technology | Optoelectronic Semiconductor |
| Crystal materials | 99, 996% of Al2O3, High Purity, Monocrystalline |
| PSS SPEC | Diameter: 2.7 ± 0.15 μm; Spacing: 0.3 ± 0.15 μm; Depth: 1.75 ± 0.15 μm |
| Related products | 1. 2inch, 3inch, 4inch & 6inch C plane sapphire substrates |
| Manufacture | Our cleanning machine Smartron from Korea |
| Supplier | Jiaozuo Commercial Finewin Co., Ltd. |
Technical data
| Crystal materials | 99, 996% of Al2O3, High Purity, Monocrystalline |
|---|---|
| Crystal quality | Block marks, twins, Color, micro-bubbles and dispersal centers are non-existent |
| Diameter | 50.8±0.2mm 76.2±0.2mm 100.0±0.3mm 150.0±0.3mm |
| Thickness | 430±15 μ m, 500±15 μ m, 550±15 μm, 650±15 μm,1000±15 μm |
| Orientation | C-plane, M-plane, A-plane, R-plane, C-plane off M-plane, C-plane off A-plane |
| Primary flat Orientation | A-plane (1 1-2 0) ± 0.2° |
| Primary flat length | 16.0±1.5 mm, 32.50±1.5 mm, |
| TTV | ≤ 10 μm |
| LTV | ≤ 10 μm |
| BOW | ≤ 10 μm |
| Warp | ≤ 10 μm |
| Front Surface Back Surface | Epi-polished, Ra< 0.2nm (By AFM) Fine ground (Ra=0.5 to 1.2 μ M) or Epi-polished (Ra< 0.2 nm) |
| Cleaning/packaging | Class 100 clean room cleaning, vacuum packaging; 25 pieces in one cassette packaging or individual packaging. |
What to specify when you request a quote
- Material — listed as “Compound Semiconductor”; name the glass or quartz grade.
- Outline and thickness — listed as “2 Inch”; give outline, thickness and tolerances.
- Holes, slots and features — dimension every hole and its position tolerance on the drawing.
- Edges — state edge finish and chamfer.
- Surface — listed as “Ssp or DSP”; state polish and flatness where they matter.
Engineering guides for this part
For material grades and coating options, see Custom Precision Glass: Materials & Coatings for Special Shapes. How parts like this are machined and finished is covered in Custom Special-Shaped Glass Machining: Boosting B2B Output & Quality. For an application example, read AR Coated Glass for Appliance Touch Screens: Specs and Selection. Before sending a drawing, check Choosing Glass Materials for Optical & Industrial Components. A related standard product is Custom Special-Shaped Glass Plate.
