Product type: Flat Lens. Application: Lighting, Medical. Model: OC-0053.
Overview
Custom Clear Opaque Ground and Polished Sapphire Glass Disc Optical Glass Wafer is a sapphire / specialty wafer in Optical Glass (Monocrystalline Silicon substrate). Listed geometry: diameter 1mm – 500mm (standard sizes available, custom dimensions supported), single-lens shape. Optical / electrical data: transmittance >95%. Surface quality Polished to Ra ≤ 0.01μm, no scratches, bubbles, or impurities. Typical applications: Temperature Measurment & Optics Applying. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Optical Glass |
|---|---|
| Substrate | Monocrystalline Silicon |
| Type | Flat Lens |
| Shape | Single-lens |
| Transmittance | >95% |
| Surface Quality | Polished to Ra ≤ 0.01μm, no scratches, bubbles, or impurities |
| Parallelism | Less Than 1 Arc Min |
| Application | Temperature Measurment & Optics Applying |
| Usage | Lighting, Medical |
| Model NO. | OC-0053 |
| Lenses Color | Clear |
| Purity | Sog-Si |
| Conductivity Type | All |
| Size Tolerance | 0/-0.15mm |
| Thickness Tolerance | +/-0.05mm |
| Surface Finish | 60-40 Scratch-Dig |
| Manufacturing Technology | Optoelectronic Semiconductor |
| Excellent mechanical strength | Sapphire has extremely high hardness and strength, with a Mohs hardness of 9, which makes it perform well in various environments and resist scratches and wear. |
| Good thermal stability | Sapphire wafers can remain stable at high temperatures and are suitable for high temperature applications. |
| High transparency | Sapphire wafers have good transparency in the visible and ultraviolet ranges and are suitable for optical components and lasers. |
| Low thermal conductivity | Although sapphire has high thermal stability, its thermal conductivity is relatively low, which makes it very useful in some applications, such as as an insulating material. |
| Excellent chemical stability | Sapphire has good tolerance to many chemicals and is suitable for use in a variety of environments. |
| Semiconductor devices | Used to manufacture LEDs, laser diodes and other optoelectronic devices, sapphire wafers are an important substrate material for blue and white LEDs. |
| Optical devices | Due to its excellent transparency, sapphire wafers are widely used in optical windows, lenses and optical components. |
| High-temperature electronic devices | Sapphire wafers can be used to manufacture high-performance electronic devices under high temperature and harsh environments. |
| Sensors | Used to manufacture high-precision sensors and detectors, especially in applications that require high temperature resistance and corrosion resistance. |
| sizes | 2 inches, 4 inches, 6 inches, etc. |
| Diameter Range | 1mm – 500mm (standard sizes available, custom dimensions supported) |
| Optical Performance | High light transmittance (≥92% for visible light), low chromatic aberration, precise focal length |
| Tolerance | Dimensional tolerance ±0.02mm, focal length tolerance ±1% |
| Coating Option | Anti-reflective coating (AR coating), hydrophobic coating, or custom coating as per request |
| Supplier | C-Laser (Taicang) Material Technology Co., Ltd. |
Technical data
| Material | Sapphire (Al2O3) |
|---|---|
| Crystal Structure | Single crystal (Single Sapphire) |
| Diameter | Common sizes: 2 inches, 4 inches, 6 inches, etc. |
| Thickness | Typically 0.5 mm to 1.5 mm |
| Surface Roughness | Ra < 10 nm (can be finer as needed) |
| Defect Density | Less than 100 cm² |
| Thermal Conductivity | Approximately 25 W/m·K |
| Refractive Index | Approximately 1.76 |
| Chemical Stability | Acid and alkali resistant |
| Operating Temperature Range | High-temperature resistant, typically up to 1500°C |
What to specify when you request a quote
- Diameter and flat / notch — listed as “0/-0.15mm”; state diameter, flat or notch and their tolerances.
- Thickness and TTV — listed as “+/-0.05mm”; give thickness, its tolerance and total thickness variation.
- Polish and roughness — listed as “Polished to Ra ≤ 0.01μm, no scratches, bubbles, or impurities”; 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 Quartz Wafer Substrate Selection: Materials & Coatings for Semiconductor and Optical Systems. How parts like this are machined and finished is covered in Glass Wafer Coring for Custom Circular Components. For an application example, read Custom Ultra-Thin Glass Discs for Appliance Sensor Assemblies. A related standard product is Custom Ultra-Thin Quartz Glass Disc.
FAQ
What is the Custom Clear Opaque Ground and Polished Sapphire Glass Disc Optical Glass Wafer made of? expand_more
It is listed as Optical Glass with a Monocrystalline Silicon substrate. Other grades can be quoted if your application needs different transmission, thermal or chemical properties.
What sizes and thicknesses are available? expand_more
The listing gives diameter 1mm – 500mm (standard sizes available, custom dimensions supported). Custom outlines and thicknesses are made to drawing; state the tolerance you need.
What optical or electrical performance does it have? expand_more
Listed values: transmittance >95%. Confirm the values at your operating wavelength, angle and temperature when you request a quote.
Where is this sapphire / specialty wafer used? expand_more
Listed applications: Temperature Measurment & Optics Applying.
What should I include in a quote request? expand_more
Include diameter and flat / notch, thickness and ttv, polish and roughness, flatness, bow and warp and material grade, plus quantity and a drawing if the part is custom.
