Application: Medical, Optical. Model: AT-61042.
Overview
Durable Sapphire Substrate Wafer for Enhanced Optical Performance is a sapphire / specialty wafer made from Glass. Listed geometry: diameter 200.00±0.2mm, thickness 5mm-10mm. It is used in Medical and Optical. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Glass |
|---|---|
| Diameter | 200.00±0.2mm |
| Usage | Medical, Optical |
| Model NO. | AT-61042 |
| Thickness Range | 5mm-10mm |
| Orientation | C-plane (0001) offset from M-axis by 0.2°±0.1° |
| Primary Side Flat | 57.5±2.5mm |
| Front Surface Roughness | Ra<0.2nm |
| Back Surface Roughness | 0.8~1.2μm (or double-sided polished, both sides Ra<0.3nm) |
| TTV (Total Thickness Variation) | <20um |
| Bow | -30~0um |
| Warp | <20um |
| Packaging | Vacuum-sealed container, filled with nitrogen in a Class 100 environment |
| Supplier | Shanghai Anttrans Technology Co., Ltd |
Technical data
| Material: | Single-crystal (99.999%) |
|---|---|
| Orientation: | C-plane (0001) offset from M-axis by 0.2°±0.1° |
| Diameter: | 200.00±0.2mm |
| Thickness | 1300±25μm, 750±25μm, or 1000±25μm |
| Primary Side Flat: | 57.5±2.5mm |
| OF Orientation Flat | A-axis ±0.1° |
| Front Surface Roughness: | Ra<0.2nm |
| Back Surface Roughness: | 0.8~1.2μm (or double-sided polished, both sides Ra<0.3nm) |
| TTV (Total Thickness Variation): | <20um |
| Bow: | -30~0um |
| Warp: | <20um |
| Packaging: | Vacuum-sealed container, filled with nitrogen in a Class 100 environment |
What to specify when you request a quote
- Diameter and flat / notch — listed as “200.00±0.2mm”; state diameter, flat or notch and their tolerances.
- Thickness and TTV — listed as “5mm-10mm”; give thickness, its tolerance and total thickness variation.
- Polish and roughness — listed as “Ra<0.2nm”; specify single- or double-side polish and roughness.
- Flatness, bow and warp — listed as “-30~0um”; quote flatness, bow and warp limits.
- Material grade — listed as “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.
FAQ
What is the Durable Sapphire Substrate Wafer for Enhanced Optical Performance made of? expand_more
It is listed as Glass. 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 diameter 200.00±0.2mm, thickness 5mm-10mm. Custom outlines and thicknesses are made to drawing; state the tolerance you need.
Where is this sapphire / specialty wafer used? expand_more
Listed applications: Medical and Optical.
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.
