Product type: Optical Wafer. Application: Medical, Civil, Labs, Astronomical. Model: Wafer 1.
Overview
Custom Borosilicate Float Glass Optical Window Substrate Optical Wafer: a fused silica / quartz wafer made from Glass. Listed geometry: size Customized, From 2mm to 400mm, thickness Customized, From 0.2 to 50mm, plano shape. Coating: As required; surface quality As required; flatness As required. Typical applications: Medical, Civil, Labs and Astronomical. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Glass |
|---|---|
| Type | Optical Wafer |
| Shape | Plano |
| Dimension | Customized, From 2mm to 400mm |
| Thickness | Customized, From 0.2 to 50mm |
| Surface Quality | As required |
| Flatness | As required |
| Parallelism | up to 3arcmin |
| Clear Aperture | >90% Centered |
| Application | Medical, Civil, Labs, Astronomical |
| Usage | Medical, Auto, Consumer, Datacom… |
| Model NO. | Wafer 1 |
| Dimension Tolerance | up to 0.02mm |
| Thickness Tolerance | up to 0.02mm |
| Coatings | As required |
| Lidt | As required |
| Bevel | Break Sharp Edges |
| Supplier | Band Optics Technology |
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 “Customized, From 0.2 to 50mm”; give thickness, its tolerance and total thickness variation.
- Polish and roughness — listed as “As required”; specify single- or double-side polish and roughness.
- Flatness, bow and warp — listed as “As required”; 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 Silica Wafer Material Selection for Precision Glass Processing. How parts like this are machined and finished is covered in Precision Glass Wafer Dicing: Fused Silica & Borofloat Process Guide. For an application example, read Boost Yield with Fused Silica Viewports for Vacuum and Optical Systems. 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).
