Product type: Flat Lens. Application: Medical, Optical. Model: yt1028.
Overview
CaF2/Mgf2 Crystal Sapphire/Fused Silica/Bk7 Optical Glass Material Blanks/Disc/Cube/Wafer: a fused silica / quartz wafer made from Optical Glass. Listed geometry: diameter +/-0.2 mm, single-lens shape. Optical / electrical data: transmittance 80%-90%. Coating: HC. Listed for Medical and Optical applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Type | Flat Lens |
| Shape | Single-lens |
| Transmittance | 80%-90% |
| Coating | HC |
| Usage | Medical, Optical |
| Model NO. | yt1028 |
| Lenses Color | Clear |
| Color | Transparent |
| Polished | No |
| Diameter Tolerance | +/-0.2 mm |
| Thickness Tolerance | +/-0.2mm |
| Supplier | Changchun Yutai Optics Co., Ltd. |
Technical data
| Product Name | Caf2/MgF2 Crystal Sapphire/Fused Silica/BK7 Optical Glass Material Blanks/Disc/Cube/Wafer |
|---|---|
| Material | Caf2/MgF2 Crystal Sapphire/Fused Silica/BK7 Optical Glass … |
| Dimension | as request |
| Tolerance | +-0.1mm |
| Surface | fine grinding |
| Bevel | standard bevel |
| Polishing/Coating | no |
What to specify when you request a quote
- Diameter and flat / notch — listed as “+/-0.2 mm”; state diameter, flat or notch and their tolerances.
- Thickness and TTV — listed as “+/-0.2mm”; give thickness, its tolerance and total thickness variation.
- Polish and roughness — listed as “No”; specify single- or double-side polish and roughness.
- Flatness, bow and warp — quote flatness, bow and warp limits.
- Material grade — listed as “Optical 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 CNC Machining of Quartz & Fused Silica Components. For an application example, read Fused Silica Glass Wafers for Precision Appliance Electronics. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is Custom Ultra-Thin Quartz Glass Disc.
