Product type: Convex Lens. Application: Endoscope.
Overview
Single/Both Side Polished Epi-Ready Sapphire Wafers: a sapphire / specialty wafer made from Sapphire Glass,99.996% Al2O3. Listed geometry: thickness Based on Your Need, round shape. Optical / electrical data: transmittance >95%. Coating: Based on Your Need. Typical applications: Endoscope. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Sapphire Glass,99.996% Al2O3 |
|---|---|
| Type | Convex Lens |
| Shape | Round |
| Thickness | Based on Your Need |
| Transmittance | >95% |
| Coating | Based on Your Need |
| Usage | Endoscope |
| Lenses Color | Transparent and Based on Your Need |
| Orientation | a-Palne,C-Axis,Random |
| Tolerance | +/-0.005mm to +/-0.01mm |
| Polish | Based on Your Need |
| Sapphire Kyropoulos Cylinders | Yes |
| No Cracks, No Bubbles | Yes |
| Roundness Max | Based on Your Need |
| Roughness | Based on Your Need |
| Transportation | DHL.TNT.FedEx and So on |
| Supplier | Chengdu Cocreation Optical Co., Ltd. |
Technical data
| Material | Optical glass, Fused silica, Silicon, Germanium, CaF2, MgF2, Sapphire, Znse, Zns |
|---|---|
| Diameter | 0.5 to 350mm |
| Diameter Tolerance | ±0.05 mm (Standard), up to +0.000/-0.002 mm |
| Thickness tolerance | ±0.05 mm (Standard), up to +/-0.0.1mm |
| Surface Quality | 60-40 S/D (Standard), up to 10-5S/D |
| Surface Figure | λ/4 or λ/10 |
| Centration | 1 Minute or 30 Second |
| Coating | uncoated, AR and HR |
What to specify when you request a quote
- Diameter and flat / notch — state diameter, flat or notch and their tolerances.
- Thickness and TTV — listed as “Based on Your Need”; give thickness, its tolerance and total thickness variation.
- Polish and roughness — listed as “Based on Your Need”; specify single- or double-side polish and roughness.
- Flatness, bow and warp — quote flatness, bow and warp limits.
- Material grade — listed as “Sapphire Glass,99.996% Al2O3”; 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.


