Product type: Windows. Application: Lighting, Medical, Optical, Photography. Model: TT Window 197.
Overview
Premium High UV Transmittance B270 Clear Quartz Glass Plate is a precision glass plate / sheet made from Optical Glass. Listed geometry: thickness as Required, single-lens shape. Optical / electrical data: transmittance >95%. Coating: HMC; surface quality 60-40; flatness 1lambda. It is used in 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 | Optical Glass |
|---|---|
| Type | Windows |
| Shape | Single-lens |
| Thickness | as Required |
| Transmittance | >95% |
| Coating | HMC |
| Surface Quality | 60-40 |
| Parallelism | <3arcmin |
| Clear Aperture | 90% |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | TT Window 197 |
| Lenses Color | Clear |
| Abbe Number | 67.8ND |
| Bevel | Protective as Needed |
| Density | 2.20g/cm3 |
| Index of Refraction | 1.458ND |
| Edges | Fine Ground |
| Surface Flatness | 1lambda |
| Supplier | Tianjin Tengteng Optoelectronic Technology Co., Ltd. |
Technical data
| 1.Material | B270 or based on clients' requirments |
|---|---|
| 2.Dimensional tolerances | 0/-0.05mm |
| 3.Thickness tolerance | ±0.02mm |
| 4.Clear aperture | >90% |
| 5.Parallelism | 5 arc seconds |
| 6.Transmission wavefront distortion | Lambda/10(per 50.8mm diameter) |
| 7.Surface Quality | US Standard10-5 or ISO Standard 3X0.16 |
| 8.Edge Chip | <0.1mm |
| 9.Bevel | Based on clients' requests |
| 10.Coating | Apply AR or AF coating or conductive coating(ITO) or based on client requests |
What to specify when you request a quote
- Material — listed as “Optical Glass”; name the glass or quartz grade.
- Outline and thickness — listed as “as Required”; give outline, thickness and tolerances.
- Holes, slots and features — listed as “Single-lens”; dimension every hole and its position tolerance on the drawing.
- Edges — listed as “Protective as Needed”; state edge finish and chamfer.
- Surface — listed as “60-40”; state polish and flatness where they matter.
Engineering guides for this part
For material grades and coating options, see JGS1 Quartz Glass for UV Optical and Precision Components. How parts like this are machined and finished is covered in Glass Wafer Cutting, Dicing, and Coring: Precision Manufacturing Process. For an application example, read Custom Perforated Quartz Plate for Appliance Airflow Sensors. Before sending a drawing, check Specifying Coatings for Custom Glass Windows and Substrates. A related standard product is Custom Ultra-Thin Quartz Glass Disc.
