Product type: Customizable. Application: Lighting, Medical, Optical, Photography, All. Model: RAYTEK#518. Features: High Optical Transmittance.
Overview
The Sapphire Wafer&Sapphire Ingot &Sapphire Material&Sapphire Substrate is supplied as a sapphire / specialty wafer made from Optical Glass. Listed geometry: customizable shape. Optical / electrical data: transmittance >95%. Coating: All. Typical applications: Lighting, Medical, Optical, Photography and All. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Type | Customizable |
| Shape | Customizable |
| Transmittance | >95% |
| Coating | All |
| Usage | Lighting, Medical, Optical, Photography, All |
| Model NO. | RAYTEK#518 |
| Lenses Color | Blue & Red |
| Application Area | Semiconductor LED Industry |
| Crystal Orientations | Excellent Surface Quality |
| Features | High Optical Transmittance |
| Standard Packaging | 25 Pieces/Box |
| Processing process | 1. |
| Long crystal | Growth of large-sized and high-quality single crystal sapphire crystals through a long crystal furnace. |
| Orientation | Ensure that the sapphire crystal is in the correct position on the rod removal machine for easy rod removal processing. |
| Grinding | Use an external cylindrical grinder to grind the outer circle of the crystal rod to obtain accurate dimensions. |
| Quality inspection | Ensure the quality of the crystal rod and whether the size and orientation of the extracted crystal rod meet customer requirements. |
| Slicing | Cut the sapphire crystal rod into thin chips. |
| Chamfer | Trimming the edges of the chip into a circular arc shape to improve the mechanical strength of the thin edge and avoid defects caused by stress concentration. |
| Supplier | Shanghai Rui Tai Photoelectric Technology Co., Ltd. |
What to specify when you request a quote
- Diameter and flat / notch — state diameter, flat or notch and their tolerances.
- Thickness and TTV — give thickness, its tolerance and total thickness variation.
- Polish and roughness — specify single- or double-side polish and roughness.
- Flatness, bow and warp — quote flatness, bow and warp limits.
- Material grade — listed as “Optical Glass”; name the grade (JGS1/JGS2, Borofloat 33, alkali-free, sapphire orientation).
Engineering guides for this part
For material grades and coating options, see Fused Quartz Wafer Substrate Selection: Materials & Coatings for Semiconductor and Optical Systems. How parts like this are machined and finished is covered in Precision Glass Hole Machining for MEMS and Wafer Parts.
