Product type: Optical Windows. Application: Medical, Optical, Photography. Model: Si Window.
Overview
Optical Silicon (Si) Window and Opical Silicon (Si) Wafer in Stock: a glass wafer made from Silicon. Listed geometry: flat shape. Optical / electrical data: transmittance >95%. Coating: Silicon Windows. Listed for Medical, Optical and Photography applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Silicon |
|---|---|
| Type | Optical Windows |
| Shape | Flat |
| Transmittance | >95% |
| Coating | Silicon Windows |
| Usage | Medical, Optical, Photography |
| Model NO. | Si Window |
| Lenses Color | Brown |
| Supplier | Shenyang Ebetter Optics Co., Ltd. |
Technical data
| Diameter | 0.2-300mm |
|---|---|
| Thickness | 0.1-30mm or Custom |
| Dimension tolerance | +/-0.02mm |
| Surface quality (scratch & dig) | 20/10 or better |
| Clear aperture | >85%, >90% |
| Surface accuracy | λ/10 |
| Parallelism | <30 arc sec |
| Bevel | 0.1~0.3mm x 45 degree |
What to specify when you request a quote
- Diameter and flat / notch — state diameter, flat or notch and their tolerances.
- Thickness and TTV — give thickness, its tolerance and total thickness variation.
- Polish and roughness — specify single- or double-side polish and roughness.
- Flatness, bow and warp — quote flatness, bow and warp limits.
- Material grade — listed as “Silicon”; 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 Alkali-Free Glass Wafers.
