Product type: Thin Film Filter. Application: Medical. Model: ERTER1.
Overview
0.3mm/0.4mm/0.5mm Sapphire Window Thin Glass Wafers for Semiconductor or Electron is a sapphire / specialty wafer made from Glass. Listed geometry: thickness 2mm-5mm. Optical / electrical data: bandwidth 3-50nm. Surface quality 60-40; flatness 1/4 Lambda. Listed for Medical applications. 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 |
| Fwhm | 3-50nm |
| Surface Quality | 60-40 |
| Flatness | 1/4 Lambda |
| Usage | Medical |
| Model NO. | ERTER1 |
| Color | Blue |
| Angle of incidence | 0° |
| Tolerance | +/-0.05mm |
| Thickness Range | 2mm-5mm |
| Supplier | Changchun Sunday Optics Co., Ltd. |
Technical data
| Diameter | 1mm to 1000mm |
|---|---|
| Diameter Tol. | +/-0.02mm |
| Material | Bk7 sapphire fused silica,ZnS2,CaF2,Si,Ge. |
| Surface Quality | 10-5 standard |
| Flatness | 1/10 lambda |
| Parallisam | <3 seconds |
| Chamfer | 0.25mmx45degree |
| Coating | AR,HR,Silver,Aluminum.Golden. |
What to specify when you request a quote
- Diameter and flat / notch — state diameter, flat or notch and their tolerances.
- Thickness and TTV — listed as “2mm-5mm”; give thickness, its tolerance and total thickness variation.
- Polish and roughness — listed as “60-40”; specify single- or double-side polish and roughness.
- Flatness, bow and warp — listed as “1/4 Lambda”; 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 Drilling & Micromachining for MEMS Wafers. For an application example, read Custom Ultra-Thin Glass Discs for Appliance Sensor Assemblies. Before sending a drawing, check Specifying Coatings for Custom Glass Windows and Substrates. A related standard product is Infrared Windows.
