Product type: Thin Film Filter. Application: Lighting, Medical, Optical, Photography. Model: AW519.
Overview
Factory Custom Ultra Thin 0.1/0.25/0.4/0.5/1mm Thick Sapphire Crystal Glass Wafer is a sapphire / specialty wafer made from Glass. Listed geometry: diameter 0/-0.1, size Customized, thickness 0.5mm-1mm. Optical / electrical data: wavelength 632.8nm. Coating: Customized. 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 | Glass |
|---|---|
| Type | Thin Film Filter |
| Shape | Customized |
| Coating | Customized |
| Clear Aperture | >90% |
| Usage | Lighting, Medical, Optical, Photography |
| Model NO. | AW519 |
| Thickness Range | 0.5mm-1mm |
| Color | Customize |
| Angle of incidence | Customize |
| Focal Length Tolerance | < ± 1% |
| Thickness Tolerance | Thickness Tolerance ± 0.1 |
| Eccentricity | 3′ |
| Designed Wavelength | 632.8nm |
| Scratch/Dig | 60/40 |
| Diameter Tolerance | 0/-0.1 |
| Coating Coating | Ar or Bbar |
| Dimensions | Customized |
| Colors | Customized |
| a=4.758 Å,Å c=12.991 Å, c | a=2.730 |
| Filter glass prepared | – With processessed edges |
| Standard formats with non-processed edges | Plate sizes 165 x 165 + 3-0 mm |
| Aspheric Lenses | Advantages & Disadvantages In a nutshell, aspheric lenses have the following advantages: |
| Applications | 1 . Correcting Astigmatism |
| Supplier | Fujian Allwin Technology Co., Ltd. |
Technical data
| GENERAL | |||
| Chemical Formula | Al2O3 | ||
| Crystal Stucture | Hexagonal System ((hk o 1) | ||
| Unit Cell Dimension | a=4.758 Å,Å c=12.991 Å, c:a=2.730 | ||
| PHYSICAL | |||
| Metric | English (Imperial) | ||
| Density | 3.98 g/cc | 0.144 lb/in3 | |
| Hardness | 1525 – 2000 Knoop, 9 mhos | 3700° F | |
| Melting Point | 2310 K (2040° C) | ||
| STRUCTURAL | |||
| Tensile Strength | 275 MPa to 400 MPa | 40,000 to 58,000 psi | |
| at 20° | 400 MPa | 58,000 psi (design min.) | |
| at 500° C | 275 MPa | 40,000 psi (design min.) | |
| at 1000° C | 355 MPa | 52,000 psi (design min.) | |
| Flexural Stength | 480 MPa to 895 MPa | 70,000 to 130,000 psi | |
| Compression Strength | 2.0 GPa (ultimate) | 300,000 psi (ultimate) |
| Size | Φ1.0~7mm | Φ8.0~20mm | Φ20.0~40mm | Φ40.0~60mm |
| PV | 0.2um | 0.3um | 0.5um | <1um |
| Eccentricity | <=3um | <=5um | <=5um | <=8um |
| Center Thickness Tolerance | ±0.015mm | ±0.020mm | ±0.025mm | ±0.050mm |
| Diameter Tolerance | ±0.015mm | ±0.015mm | ±0.015mm | ±0.030mm |
| Surface Quality | 40/20 | |||
| Surface Roughness | >20nm | |||
| RMS | According to the optical system | |||
| Material | CDGM, NHG, customer Requirements |
What to specify when you request a quote
- Diameter and flat / notch — listed as “0/-0.1”; state diameter, flat or notch and their tolerances.
- Thickness and TTV — listed as “0.5mm-1mm”; give thickness, its tolerance and total thickness variation.
- Polish and roughness — specify single- or double-side polish and roughness.
- Flatness, bow and warp — quote flatness, bow and warp limits.
- Material grade — listed as “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 Precision Glass Hole Machining for MEMS and Wafer Parts. 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.
