Application: Building, Furniture, Home Appliance, Electronics & Instruments. Model: Sapphire glass.
Overview
Custom Design Optical Lens Sapphire Window Glass with Bus Bar: an optical lens. Listed geometry: size Customized According to Customer Drawings, thickness 0.5mm/1mm/2mm/3mm or Customized, flat shape. Optical / electrical data: transmittance >90%. Flatness High Class. Typical applications: Protective Windows or Viewports. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Shape | Flat |
|---|---|
| Transmittance | >90% |
| Flatness | High Class |
| Application | Protective Windows or Viewports |
| Usage | Building, Furniture, Home Appliance, Electronics & Instruments |
| Model NO. | Sapphire glass |
| Appearance | Flat Tempered |
| Standard | GB/T 9963-1998 |
| Steel Degree | Tempered Glass |
| Thickness of Flat Tempered Glass | 0.5-19mm |
| Thickness of Curve Tempered Glass | Customized |
| Fragment State | Ⅱ |
| Technics | Chemical Tempered |
| Glass Silk Screen Color | Black, Gray, White, Other Colors. |
| Glass Raw Materials | Sapphire Glass |
| Glass Thickness | 0.5mm/1mm/2mm/3mm or Customized |
| Glass Shapes | Square, Round, Irregular Graphics, (Customized) |
| Glass Size | Customized According to Customer Drawings |
| Edge Processing | Straight, Round, Beveled |
| Surface Treatment | Ar/Af Coating |
| Minimum Order Quantity | 20 PCS |
| Drilling | Acceptable |
| Shipping Way | Commercial Express, Sea Shipping |
| Hardness | >7h |
| Sapphire window feature | *Extreme Surface Hardness Chemical Resistance |
| Packaging | Each glass use double sided protective film and then packed by craft paper then into a wooden crate. |
| Supplier | DONGGUAN SAIDA GLASS CO.,LTD |
Technical data
| Transmission Range | 0.17 to 5.5 μm |
|---|---|
| Refractive Index | No 1.75449; Ne 1.74663 at 1.06 μm (1) |
| Reflection Loss | 14% at 1.06 μm |
| Absorption Coefficient | 0.3 x 10-3 cm-1 at 2.4 μm (2) |
| Reststrahlen Peak | 13.5 μm |
| dn/dT | 13.1 x 10-6 at 0.546 μm (3) |
| dn/dμ = 0 | 1.5 μm |
| Density | 3.97 g/cc |
| Melting Point | 2040°C |
| Thermal Conductivity | 27.21 W m-1 K-1 at 300K |
| Thermal Expansion | 5.6 (para) & 5.0 (perp) x 10-6/K * |
| Hardness | Knoop 2000 with 2000g indenter |
| Specific Heat Capacity | 763 J Kg-1 K-1 at 293K (4) |
| Dielectric Constant | 11.5 (para) 9.4 (perp) at 1MHz |
| Youngs Modulus (E) | 335 GPa |
| Shear Modulus (G) | 148.1 GPa |
| Bulk Modulus (K) | 240 GPa |
| Elastic Coefficients | C11=496 C12=164 C13=115 C33=498 C44=148 |
| Apparent Elastic Limit | 77.86300 MPa (45,000 psi) |
| Poisson Ratio | 0.25 |
| Solubility | 98 x 10-6 g/100g water |
| Molecular Weight | 101.96 |
| Class/Structure | Trigonal (hex), R3c |
What to specify when you request a quote
- Material — listed as “Sapphire Glass”; name the glass or crystal.
- Geometry — listed as “Customized According to Customer Drawings”; give diameter, focal length or radii, angles and tolerances.
- Surface figure — listed as “High Class”; quote surface figure (λ) and scratch-dig.
- Centring and edges — listed as “Straight, Round, Beveled”; state centration and edge chamfer.
- Coating — list the band and reflectance or transmission target.
Engineering guides for this part
For material grades and coating options, see Fused Silica Windows for UV and Laser Optical Systems. How parts like this are machined and finished is covered in Optical Glass Polishing for High Clarity Surfaces. For an application example, read Boost Yield with Fused Silica Viewports for Vacuum and Optical Systems. Before sending a drawing, check Specifying Coatings for Custom Glass Windows and Substrates. A related standard product is Custom FTO Conductive Glass.
