Model: T35.
Overview
Custom Optical Quartz Glass Reference Plate for Electronic Components Protection: a precision glass plate / sheet. Optical / electrical data: wavelength Wavelength. Temperature 550degree C. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Parallelism | 0.01mm |
|---|---|
| Thickness 1 | 0.1mm 0.2mm 0.3mm 0.4mm |
| Thickess 2 | 0.5mm 0.7mm 1.1mm |
| Temperature | 550degree C |
| Model NO. | T35 |
| Surface Clearning | 60/40 |
| Surface Roughness | 1nm |
| l Application | Micro-optics |
| a) Material | BOROFLOAT®33, PYREX7740, quartz glass, Corning Eagle-XG, B270, D263T, AF32,Soda lime |
| b) Standard thickness | 0.1mm ,0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.7mm, 1.0mm, 1.5mm (thickness tolerance ± 0.02mm) |
| c) Standard size | 1150×850 |
| d) Appearance | 60/40 |
| Technical parameters | Density(25ºC) |
| Viscosity of Borosilicate Glasses | Working Point |
| Selected Standard Lasers and Related Wavelengths | Wavelength |
| Nd | YLF |
| Er | YLF |
| Ho | YLF |
| Supplier | Xinyu Xu Tking Glass Co., Ltd. |
Technical data
| Technical parameters: | ||
| Density(25ºC) | 2.2g/cm2 | |
| Thermal expansion(ISO 7991) | 3.25´10-6k-1 | |
| Light transmittance | 91% | |
| Softening point | 820ºC | |
| Short time use<10h | 550ºC | |
| Long time use>=10h | 450ºC | |
| Refractive index(587.6nm) | 1.47140 | |
| Knoop hardness | 480 |
| Coefficient of Linear Thermal Expansion | α (20 – 300 °C) | 3.25 x 10-6 K-1(ISO 7991) | Remarks |
| Specific ThermalCapacity | Cp (20 – 100°C) | 0.83 KJ x (kg x K)-1 | The maximum temperatures in use indicated apply only if the following RTG and RTS values are observed at the same time. |
| Specific ThermalConductivity | λ (90°C) | 1.2 W x (m x K)-1 | |
| For short-term usage | δ max (< 10 h) | 550°C | |
| For long-term usage | δmax (≥ 10 h) | 450°C |
| Working Point | 104 dPas | 1270 °C |
| Softening Point | 10 7.6 dPas | 820 °C |
| Annealing Point | 10 13 dPas | 560 °C |
| Strain Point | 10 14.5 dPas | 518 °C |
| Transformation Temperature (Tg) | 525 °C |
What to specify when you request a quote
- Material — listed as “BOROFLOAT®33, PYREX7740, quartz glass, Corning Eagle-XG, B270, D263T, AF32,Soda lime”; name the glass or quartz grade.
- Outline and thickness — listed as “0.1mm 0.2mm 0.3mm 0.4mm”; give outline, thickness and tolerances.
- Holes, slots and features — dimension every hole and its position tolerance on the drawing.
- Edges — 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 Custom Borosilicate Glass Sheets Cut to Size: Precision and Performance. How parts like this are machined and finished is covered in Flat Glass Polishing Process for Precision Substrates. For an application example, read Custom Perforated Quartz Plate for Appliance Airflow Sensors. A related standard product is Custom Ultra-Thin Quartz Glass Disc.


