Product type: Quartz Crucible. Model: tk319.
Overview
High Precision Sapphire Windows Glass Wafer is a sapphire / specialty wafer. Surface quality 40/60; flatness 1nm; temperature 550dergee C. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Type | Quartz Crucible |
|---|---|
| Surface Quality | 40/60 |
| Flatness | 1nm |
| Model NO. | tk319 |
| Roghness | 1nm |
| Temperature | 550dergee C |
| Polsihing | Both Sides |
| Product features | a)Application-specific use of glass material |
| Typical application | Micro-optics |
| a) Material | BOROFLOAT® 33,PYREX 7740,Quartz glass, |
| b) Thickness | 0.3mm,0.5mm,0.6mm,0.7mm,1.0mm,1.5mm(Tolerance±0.02mm) |
| c) Round ize | Φ2",Φ3",Φ4",Φ5",Φ6",Φ8",Φ12"ect.. |
| d) MIL | 60/40 |
| 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 (25 ° C) 2.23g / cm2 |
| Supplier | Xinyu Xu Tking Glass Co., Ltd. |
What to specify when you request a quote
- Diameter and flat / notch — listed as “Φ2", Φ3", Φ4", Φ5", Φ6", Φ8", Φ12" (other sizes can be customized)”; state diameter, flat or notch and their tolerances.
- Thickness and TTV — listed as “0.3mm,0.5mm,0.6mm,0.7mm,1.0mm,1.5mm(Tolerance±0.02mm)”; give thickness, its tolerance and total thickness variation.
- Polish and roughness — listed as “40/60”; specify single- or double-side polish and roughness.
- Flatness, bow and warp — listed as “1nm”; quote flatness, bow and warp limits.
- Material grade — listed as “BOROFLOAT® 33,PYREX 7740,Quartz 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 Optical Window Glass for Smart Thermostats | OEM/ODM. Before sending a drawing, check Specifying Coatings for Custom Glass Windows and Substrates. A related standard product is AR Anti-Reflection Optical Window.
