Product type: Flat Lens. Application: Lighting, Medical, Optical, Photography. Model: I-P24D2I0201.
Overview
Vy Premium Cathode Glass Step Wafer – High Transmittance for Vacuum & Semiconductor is a glass wafer made from Borosilicate Glass. Listed geometry: diameter 38mm, thickness 5.6mm, plate with step shape. Optical / electrical data: transmittance >95%. Coating: as Request. Typical applications: Lighting, Medical, Optical and Photography. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Borosilicate Glass |
|---|---|
| Type | Flat Lens |
| Shape | Plate with Step |
| Diameter | 38mm |
| Thickness | 5.6mm |
| Transmittance | >95% |
| Coating | as Request |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | I-P24D2I0201 |
| Lenses Color | Clear |
| Low value sample | EUB, E Express of China Post, which is cheap; |
| Light weight parcel | DHL, FedEx, TNT, UPS, EMS, SF Express, China Post; |
| Heavy cargo | by air or by sea, ship on pallet. |
| Supplier | VY Optoelectronics Co., Ltd. |
What to specify when you request a quote
- Diameter and flat / notch — listed as “38mm”; state diameter, flat or notch and their tolerances.
- Thickness and TTV — listed as “5.6mm”; 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 “Borosilicate 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 Precision Glass Wafer Dicing: Fused Silica & Borofloat Process Guide. For an application example, read Alkali-Free Glass Wafers for Appliance Display Substrates. Before sending a drawing, check Design Guide for Holes, Slots, and Edges in Custom Glass Parts. A related standard product is 4-inch Borofloat 33 Glass Wafers.


