Structured Manufacturing Data (2026)

High-Purity Quartz Crystal Blank

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard High-Purity Quartz Crystal Blank used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical High-Purity Quartz Crystal Blank is characterized by the integration of Crystal Lattice Structure and Orientation Flats. In industrial production environments, manufacturers listed on CNFX commonly emphasize Synthetic quartz crystal construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Raw quartz crystal material for precision timing and frequency control devices.

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Product Specifications

Technical details and manufacturing context for High-Purity Quartz Crystal Blank

Definition
High-purity quartz crystal blanks are semi-finished industrial materials used as the foundational substrate for manufacturing precision oscillators, resonators, and frequency control devices. These raw crystal materials undergo precision cutting, lapping, and metallization processes to become functional timing components in electronic systems. In B2B supply chains, they serve as critical upstream materials for electronics manufacturers producing quartz crystal units, filters, and sensors. Their consistent material properties ensure reliable frequency stability across temperature variations in final applications.
Working Principle
Quartz crystal blanks exhibit piezoelectric properties where mechanical stress generates electrical voltage and vice versa, enabling precise frequency oscillation when properly cut and electroded.
Common Materials
Synthetic quartz crystal, Natural quartz crystal
Technical Parameters
  • Target oscillation frequency range (MHz) Per Request
  • Frequency variation across temperature range (ppm/°C) Per Request
Components / BOM
  • Crystal Lattice Structure Part
    Provides piezoelectric properties and frequency stability
    Material: Silicon dioxide (SiO₂)
  • Orientation Flats Optional Part
    Reference surfaces for crystal cutting and alignment
    Material: Quartz crystal
  • Protective Coating Optional Part
    Prevents surface contamination during handling and storage
    Material: Inert polymer film

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for High-Purity Quartz Crystal Blank.

Quartz crystal substrate Crystal wafer blank Piezoelectric crystal material Frequency control crystal high-purity quartz crystal blanks for frequency control precision timing quartz crystal blanks for navigation equipment synthetic quartz crystal blanks with low impurity concentration quartz crystal blanks with tight frequency tolerance for testin

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric to 1 atm (non-pressure application)
aging rate: ≤5 ppm/year for high-precision applications
temperature: -40°C to +85°C (operational), up to +125°C for short-term exposure
frequency stability: ±10 ppm to ±50 ppm depending on cut and processing
Media Compatibility
✓ Clean dry air environments ✓ Vacuum-sealed oscillator packages ✓ Inert gas-filled timing modules
Unsuitable: High-moisture or corrosive chemical environments (causes surface degradation and frequency drift)
Sizing Data Required
  • Target frequency (MHz/kHz)
  • Required frequency tolerance (±ppm)
  • Crystal cut orientation (AT, SC, etc.)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Surface Contamination and Etching
Cause: Chemical attack from process fluids or cleaning agents, leading to surface degradation and altered resonant properties.
Mechanical Fracture or Cracking
Cause: Thermal shock from rapid temperature changes, physical impact during handling, or excessive mechanical stress during mounting.
Maintenance Indicators
  • Visible surface haze, discoloration, or etching marks on the crystal blank.
  • Audible frequency drift or instability in the oscillator circuit output, indicating compromised crystal integrity.
Engineering Tips
  • Implement strict chemical compatibility controls for all fluids in contact with the crystal, and use only approved, high-purity cleaning solvents.
  • Enforce controlled thermal cycling protocols during operation and maintenance to minimize thermal stress, and use precision mounting fixtures to avoid mechanical over-constraint.

Compliance & Manufacturing Standards

Reference Standards
ISO 3290-1:2014 (Rolling bearings - Balls) ASTM F2082-23 (Standard Specification for High Purity Synthetic Quartz Glass) IEC 60368-1:2022 (Piezoelectric filters of assessed quality - Part 1: Generic specification)
Manufacturing Precision
  • Frequency Tolerance: +/- 20 ppm
  • Flatness: 0.1 μm per 25 mm
Quality Inspection
  • X-Ray Diffraction (XRD) for crystal structure purity
  • Laser Interferometry for surface flatness and parallelism

Factories Producing High-Purity Quartz Crystal Blank

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

Supply Chain Commonly Integrated Components

Stereo Camera Array

A multi-camera system that captures synchronized images from multiple perspectives to enable 3D depth perception and pattern recognition.

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Structured Light Projector

Optical device that projects precisely controlled light patterns onto surfaces for 3D scanning applications

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Main Processor Board

The central computing and control unit of a 5-axis CNC controller that processes motion commands, executes algorithms, and coordinates all system operations.

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Alignment Sensor Array

A multi-sensor component that detects and measures positional alignment in industrial systems.

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Frequently Asked Questions

What are the key specifications to consider when selecting quartz crystal blanks for precision timing devices?

Critical specifications include crystal cut angle (typically AT-cut for stability), frequency tolerance (measured in ppm), impurity concentration (in ppb for high purity), Q-factor (indicating energy efficiency), surface roughness (in nm Ra), and thickness variation (in μm) to ensure consistent performance in timing and frequency control applications.

How do synthetic and natural quartz crystal blanks differ for industrial applications?

Synthetic quartz crystal blanks offer superior purity and consistency with controlled impurity levels (often <1 ppb), making them ideal for high-precision applications like navigation and testing equipment. Natural quartz blanks may have higher impurity concentrations but can be suitable for less demanding applications. Both types require precise crystal lattice structure and orientation flats for proper frequency control.

What role does the protective coating play in quartz crystal blank performance?

The protective coating on quartz crystal blanks prevents contamination, reduces surface oxidation, and maintains the crystal's structural integrity during handling and device assembly. This coating helps preserve the specified surface roughness and thickness variation, ensuring stable frequency output and longevity in measuring and control equipment operating in various environmental conditions.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Computer, Electronic and Optical Product Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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