Hangzhou Freqcontrol Electronic Technology Ltd.
                                                                                                           
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27 Years
Since 1999
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8-Inch Alpha Quartz Single Crystal Wafer for SAW Filter Resonator - 200mm Diameter, 1750°C Melting Point, SEMI Standard Compliant

Price Negotiable
Price: Negotiable
MOQ: 5 pcs
Delivery Time: 1-4 weeks
Brand: BonTek
Product Description
Alpha Quartz Single Crystal Wafer Overview

Our 8-inch Alpha Quartz Single Crystal Wafers are engineered for SAW filter resonator applications, offering exceptional physical and chemical stability with a melting point of 1750°C, density of 2.65×10³ kg/m³, and Mohs hardness of 7.

Key Specifications
DiameterToleranceThickness TolerancePrimary FlatSurface Quality
2" (50.8mm)±0.2mm±0.025mm16±2mmS/D: 40/20, TTV:
3" (76.2mm)±0.2mm±0.025mm22±2mmS/D: 60/40, TTV:
4" (100mm)±0.2mm±0.025mm32±2mmS/D: 60/40, TTV:
6" (150mm)±0.2mm±0.025mm47.5±2mmS/D: 60/40, TTV:
8" (200mm)±0.2mm±0.025mm57.5±2mmS/D: 60/40, TTV:
Physical Properties
PropertyValuePropertyValue
Density (g/cm³)2.65Melting Point (°C)1750
Thermal Conductivity (W/m·K)10.7 (parallel to Z)
6.2 (perpendicular to Z)
Thermal Expansion (1/K)7.1×10⁻⁶ (parallel)
13.2×10⁻⁶ (perpendicular)
Hardness (Mohs)7Specific Heat Capacity (J/kg·K)710
Young's Modulus (GPa)4.34 (parallel)
4.27 (perpendicular)
Shear Modulus (GPa)31.14
Bulk Modulus (GPa)36.4Chemical StabilityInsoluble in water
Manufacturing Capabilities

With 30 years of experience in crystal quartz processing, we specialize in producing large, thin wafers conforming to SEMI standards. We can fabricate wafers up to 8 inches in diameter with polishing capabilities down to 0.1mm for 4-inch quartz wafers.

Available Orientations

X, Y, Z, AT, ST, BT, CT, ET, DT, GT, NT, FC, SC, IT, and custom orientations as required.

Product Images
8-inch Alpha Quartz Single Crystal Wafer for SAW filter applications Close-up view of quartz wafer surface and structure Quartz wafer manufacturing and quality control process Technical specifications and measurement data for quartz wafers
Frequently Asked Questions
What are your main product specialties?

We are piezoelectric wafer specialists with 30 years of experience in single crystal quartz processing. We also work with LiNbO₃, LiTaO₃, quartz glass, LGS, and CTGS materials, with particular expertise in AT, SC, and IT cuts with superior angle precision.

Do you accept product customization?

Yes, we fabricate according to customer specifications and provide technical guidance for optimal wafer selection. Standard wafers are also available from stock.

Can you ship via our preferred courier?

We can ship using your preferred courier account (DHL, FedEx, UPS) or arrange shipping with our discounted international carrier rates.

How do you ensure product safety during shipping?

We use specialized packaging with buffer sponge and vacuum sealing. Follow our acceptance check procedure: inspect outer carton condition, photograph before opening, handle in clean room environment, and immediately document any damage without removing from packaging.

Can we visit your factory?

Factory inspections are welcome for large quantity purchases and long-term partnerships. We also offer videoconferencing for remote discussions.

Acceptance Check Procedure
Step-by-step acceptance check procedure for quartz wafer inspection
  • Handle with care and check outer carton condition upon receipt
  • Photograph packaging before opening for documentation
  • Open vacuum packages only in clean room environments
  • Document any damage immediately without removing products from packaging
  • Contact us immediately if issues are discovered

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company Hangzhou Freqcontrol Electronic Technology Ltd.
Location Room 1106, CIBC, No.198 Wuxing Rd, Hangzhou, P.R.China
Contact Person Xu

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