Product type: Convex Lens. Application: Endoscope.
Overview
Optical Quartz Glass Lens Sapphire Glass Wafer: a fused silica / quartz 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. It is used in 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
| Parameter | Specification |
|---|---|
| Crystal Orientation | C-axis (0001) miscut to M |
| Mis-Orientation Towards m-aixs | 0.2° off axis + 0.05°Towards M axis |
| Mis Orientation Towards a-axis Primary Flat | 0°± 0.15° |
| Diameter | 50.8mm ± 0.05mm |
| Thickness | 430um ± 15um |
| Orientation Flat Location | A-axis ± 0.3° |
| Major Flat Length | 16.0mm± 1.0mm |
| Surface Finish | Epi Polished one side, Ra<0.2nm |
| Back Surface | 0.6<Ra<1.2um |
| Edge Condition | Edge defect not to exceed SEMI M3-91, Table 2 |
| Bevel | T-type or R-type |
| TTV | < 10um |
| Bow | -8~0um |
| Warp | < 10um |
| Wafer ID | Laser Marking-Standard Backside or front-side option |
| Cleanliness | Free visible contamination |
| Packaging | Class 100 clean room environment, in cassettes of 25. |
| Parameter | Specification |
|---|---|
| Crystal Orientation | C-axis (0001) miscut to M |
| Mis-Orientation Towards m-aixs | 0.2° off axis ± 0.1°Towards M axis |
| Mis Orientation Towards a-axis Primary Flat | 0°± 0.15° |
| Diameter | 100mm ± 0.10mm |
| Thickness | 650um ± 25um |
| Orientation Flat Location | A-axis ± 0.3° |
| Major Flat Length | 31.0mm± 1.0mm |
| Surface Finish | Epi Polished one side, Ra<0.3nm |
| Back Surface | Ra <1.2um |
| Edge Condition | Edge defect not to exceed SEMI M3-91, Table 2 |
| Bevel | T Size or R Size |
| TTV | < 10 um |
| LTV | <3 um(7*7um) |
| Bow | -10~0um |
| Warp | <20 um |
| Wafer ID | Laser Marking-Standard Backside or Front-side option |
| Cleanliness | Free visible contamination |
| Packaging | Class 100 clean room environment, in cassettes of 25. |
| Parameter | Specification |
|---|---|
| Crystal Orientation | C-axis (0001)miscut to M |
| Mis-Orientation Towards Laser Mark | 0.2° off axis ± 0.05°Towards M axis |
| Mis Orientation Towards Primary Flat | 0°± 0.15° |
| Diameter | 150mm ± 0.20mm |
| Thickness | 1300um ± 25um or 1000um ± 20um |
| Orientation Flat Location | A-axis ± 0.3° |
| Major Flat Length | 47.5mm± 1.0mm |
| Minor | Optional |
| Surface Finish | Epi Polished one side, Ra<0.3nm |
| Back Surface | Ra <1um |
| Edge Condition | Edge defect not to exceed SEMI M3-91, Table 2 ; |
| TTV | < 15 um |
| Bow | < 10 um |
| Warp | < 30um |
| Wafer ID | Laser Marking-Standard Backside, Front side(optional) |
| Cleanliness | No visual contamination |
| Packaging | Substrates to be Packaged in a class 100 clean room environment, in vacuum packed cassettes of 25pcs. |
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 Selecting Fused Silica and Quartz Glass for Precision Components. How parts like this are machined and finished is covered in Precision CNC Machining of Quartz & Fused Silica Components. For an application example, read Fused Silica Glass Wafers for Precision Appliance Electronics. Before sending a drawing, check Fused Silica Refractive Index: Key to Optical Design Improvement. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).


