Product type: Optical Wafer. Application: Medical, Civil, Labs, Astronomical. Model: Wafer 3.
Overview
Customized BOROFLOAT 33 BF33 Optical Wafer Optical Glass Window Substrate: a glass 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. Listed for Medical, Civil, Labs and Astronomical applications. 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 3 |
| 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 BOROFLOAT 33 & Alkali-Free Glass Wafers: Material Guide. How parts like this are machined and finished is covered in Glass Wafer Bonding for Microfluidic and MEMS Applications: Process Overview. For an application example, read Alkali-Free Glass Wafers for Appliance Display Substrates. Before sending a drawing, check Specifying Coatings for Custom Glass Windows and Substrates. A related standard product is 4-inch Borofloat 33 Glass Wafers.
