Model: FW-sapphire.
Overview
Sapphire Plate/ Discs/ Substrate 2inch, 4inch, 6inch is a precision glass plate / sheet made from Sapphire Al2O3. Listed geometry: size 2 Inch. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Size | 2 Inch |
|---|---|
| Model NO. | FW-sapphire |
| Materials | Sapphire Al2O3 |
| Surface Treatment | Ssp or DSP |
| Growth Method | Ky |
| Orientation | C Plane |
| Crystal materials | 99, 996% of Al2O3, High Purity, Monocrystalline |
| Growth growth | KY |
| 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 “Sapphire Al2O3”; 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 Borosilicate Glass Sheets Cut to Size: Precision and Performance. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read Custom Ultra-Thin Glass Discs for Appliance Sensor Assemblies. A related standard product is Custom Special-Shaped Glass Plate.
FAQ
What is the Sapphire Plate/ Discs/ Substrate 2inch, 4inch, 6inch made of? expand_more
It is listed as Sapphire Al2O3. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.
What sizes and thicknesses are available? expand_more
The listing gives size 2 Inch. Custom outlines and thicknesses are made to drawing; state the tolerance you need.
What should I include in a quote request? expand_more
Include material, outline and thickness, holes, slots and features, edges and surface, plus quantity and a drawing if the part is custom.
