Product type: Flat Lens. Application: Lighting, Medical, Optical, Photography. Model: tk400.
Overview
High Thermal Shock Resistance Glass Quartz for Microfluidic Systems is a glass microfluidic chip made from Optical Glass. Listed geometry: single-lens shape. Optical / electrical data: wavelength Wavelength, transmittance 90%-95%. Coating: HC; temperature 550degree C. 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 | Optical Glass |
|---|---|
| Type | Flat Lens |
| Shape | Single-lens |
| Transmittance | 90%-95% |
| Coating | HC |
| Parallelism | 0.01mm |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | tk400 |
| Lenses Color | Clear |
| Thickness 1 | 0.1mm 0.2mm 0.3mm 0.4mm |
| Thickess 2 | 0.5mm 0.7mm 1.1mm |
| Temperature | 550degree C |
| Surface Clearning | 60/40 |
| Surface Roughness | 1nm |
| Introduction | The borosilicate glass' low thermal expansion, its high thermal shock resistance and its ability to withstand temperatures up to 450 °C for long periods make BOROFLOAT |
| l Product features | a)High heat resistance |
| l Typical application | Micro-optics |
| a) Material | BOROFLOAT®33, PYREX7740, quartz glass, Corning Eagle-XG, B270, D262T, AF32,Soda lime |
| b) Standard thickness | 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.7mm, 1.0mm, 1.5mm (thickness tolerance ± 0.02mm) |
| c) Standard size | Φ2", Φ3", Φ4", Φ5", Φ6", Φ8", Φ12" (other sizes can be customized) |
| 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 “Optical Glass”; 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 — listed as “Single-lens”; 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 BF33 Glass for Microfluidic Chips: Properties, Coatings & Selection 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 Custom Glass Microfluidic Chips for Appliance Fluid Detection. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is Custom Glass Microfluidic Chip.
