Product type: Convex Lens. Application: Endoscope.
Overview
Sapphire Epi Wafer 1 Inches 2 Inches 3 Inches 4inches is 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. 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 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 Drilling & Micromachining for MEMS Wafers.
FAQ
What is the Sapphire Epi Wafer 1 Inches 2 Inches 3 Inches 4inches made of? expand_more
It is listed as Sapphire Glass,99.996% Al2O3. Coating: Based on Your Need. 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 thickness Based on Your Need. Custom outlines and thicknesses are made to drawing; state the tolerance you need.
What optical or electrical performance does it have? expand_more
Listed values: transmittance >95%. Confirm the values at your operating wavelength, angle and temperature when you request a quote.
Where is this sapphire / specialty wafer used? expand_more
Listed applications: Endoscope.
What should I include in a quote request? expand_more
Include diameter and flat / notch, thickness and ttv, polish and roughness, flatness, bow and warp and material grade, plus quantity and a drawing if the part is custom.
