Product type: Quartz Plate. Application: Glass. Model: St-Cut 42.75 4\".
Overview
St-Cut 42.75 4" (100mm) Saw Grade Quartz Crystal Wafer Substrate with 0.35mm Thickness: a fused silica / quartz wafer made from Quartz Crystal. Listed geometry: diameter 25.4mm-200mm, thickness 0.10mm or More. It is used in Glass. Dimensions, material grade, coating and finish can be quoted to your drawing; the values above are the listed starting point.
Specifications
| Material | Quartz Crystal |
|---|---|
| Type | Quartz Plate |
| Diameter | 25.4mm-200mm |
| Thickness | 0.10mm or More |
| Application | Glass |
| Model NO. | St-Cut 42.75 4\" |
| Ttv | <2um |
| Warp | <20um |
| Bow | <10um |
| Surface Finish | Ssp/DSP |
| Cutting Angle | X/Y/Z/At32,33,36/Bt/St42.75deg;-Cut |
| Supplier | Hangzhou Freq-Control Electronic Technology Ltd. |
What to specify when you request a quote
- Diameter and flat / notch — listed as “25.4mm-200mm”; state diameter, flat or notch and their tolerances.
- Thickness and TTV — listed as “0.10mm or More”; give thickness, its tolerance and total thickness variation.
- Polish and roughness — listed as “Ssp/DSP”; specify single- or double-side polish and roughness.
- Flatness, bow and warp — listed as “<20um”; quote flatness, bow and warp limits.
- Material grade — listed as “Quartz Crystal”; name the grade (JGS1/JGS2, Borofloat 33, alkali-free, sapphire orientation).
Engineering guides for this part
For material grades and coating options, see Fused Silica and Quartz Glass: Selecting Materials for Precision Components. How parts like this are machined and finished is covered in Precision CNC Machining of Quartz & Fused Silica Components. For an application example, read Fused Silica Glass Wafers for Precision Appliance Electronics. Before sending a drawing, check Quartz Glass Manufacturing: Controlling Thermal Conductivity in Fused Silica. A related standard product is Fused Silica Glass Wafers (2–12", JGS1/JGS2).
