Application: Building, Furniture, Electronics & Instruments, Auto Manufacturing. Model: yt8969.
Overview
The 2"3"4" Ultra Thin a Phase Thick Sapphire Glass Wafer is supplied as a sapphire / specialty wafer. Listed geometry: thickness 1.1/0.8/0.7/0.55mm, flat shape. Listed for Building, Furniture, Electronics & Instruments and Auto Manufacturing applications. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Shape | Flat |
|---|---|
| Thickness | 1.1/0.8/0.7/0.55mm |
| Usage | Building, Furniture, Electronics & Instruments, Auto Manufacturing |
| Appearance | Flat Tempered |
| Model NO. | yt8969 |
| Standard | Yutai |
| Steel Degree | Tempered Glass |
| Thickness of Flat Tempered Glass | 1.1mm |
| Thickness of Curve Tempered Glass | 1.1mm |
| Fragment State | I |
| Technics | Chemical Tempered |
| Tempered Type | Chemical Tempered |
| Supplier | Changchun Yutai Optics Co., Ltd. |
Technical data
| Product Name | 2"3"4" Ultra Thin A Phase Thick Sapphire Glass Wafer |
|---|---|
| Material | Sapphire |
| Diameter | 2"3"4" |
| Diameter Tolerance | +-0.01mm |
| Thickness | 500um,600um,300um… |
| Shape | circle |
| Surface | DSP/SSP |
| Flatness | L/4 |
| Surface Quality | 40/20 |
| Bevel | NONE |
| Coating | uncoated |
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 “1.1/0.8/0.7/0.55mm”; 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 — 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.
